Adding upstream version 1.7.2.upstream/1.7.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

23 files changed, 6437 insertions, 0 deletions

diff --git a/threadproc/beos/apr_proc_stub.c b/threadproc/beos/apr_proc_stub.c
new file mode 100644
index 0000000..011d793
--- /dev/null
+++ b/threadproc/beos/apr_proc_stub.c
@@ -0,0 +1,76 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <kernel/OS.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+struct pipefd {
+	int in;
+	int out;
+	int err;
+};
+
+int main(int argc, char *argv[]) {
+/* we expect the following...
+ * 
+ * argv[0] = this stub
+ * argv[1] = directory to run in...
+ * argv[2] = progname to execute
+ * rest of arguments to be passed to program
+ */
+	char *progname = argv[2];
+	char *directory = argv[1];
+	struct pipefd *pfd;
+	thread_id sender;
+	void *buffer;
+	char ** newargs;
+	int i = 0;
+	
+	newargs = (char**)malloc(sizeof(char*) * (argc - 1));
+  
+	buffer = (void*)malloc(sizeof(struct pipefd));
+	/* this will block until we get the data */
+	receive_data(&sender, buffer, sizeof(struct pipefd));
+	pfd = (struct pipefd*)buffer;
+	
+	if (pfd->in > STDERR_FILENO) {
+		if (dup2(pfd->in, STDIN_FILENO) != STDIN_FILENO) return (-1);
+	    close (pfd->in);
+	}
+	if (pfd->out > STDERR_FILENO) {
+		if (dup2(pfd->out, STDOUT_FILENO) != STDOUT_FILENO) return (-1);
+	    close (pfd->out);
+	}
+	if (pfd->err > STDERR_FILENO) {
+		if (dup2(pfd->err, STDERR_FILENO) != STDERR_FILENO) return (-1);
+	    close (pfd->err);
+	}
+
+	for	(i=3;i<=argc;i++){
+	    newargs[i-3] = argv[i];
+	}
+	
+	/* tell the caller we're OK to start */
+	send_data(sender,1,NULL,0);
+
+	if (directory != NULL)
+		chdir(directory);
+	execve (progname, newargs, environ);
+
+	return (-1);
+}
diff --git a/threadproc/beos/proc.c b/threadproc/beos/proc.c
new file mode 100644
index 0000000..e369808
--- /dev/null
+++ b/threadproc/beos/proc.c
@@ -0,0 +1,454 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_strings.h"
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, -1, };
+
+struct send_pipe {
+	int in;
+	int out;
+	int err;
+};
+
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new, apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_palloc(pool, 
+              sizeof(apr_procattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    (*new)->pool = pool;
+    (*new)->parent_in = NULL;
+    (*new)->child_in = NULL;
+    (*new)->parent_out = NULL;
+    (*new)->child_out = NULL;
+    (*new)->parent_err = NULL;
+    (*new)->child_err = NULL;
+    (*new)->currdir = NULL; 
+    (*new)->cmdtype = APR_PROGRAM;
+    (*new)->detached = 0;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in,
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t rv;
+
+    if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                          in, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (in == APR_NO_FILE)
+        attr->child_in = &no_file;
+
+    if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                          out, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (out == APR_NO_FILE)
+        attr->child_out = &no_file;
+
+    if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                          err, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (err == APR_NO_FILE)
+        attr->child_err = &no_file;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr, 
+                                               const char *dir) 
+{
+    char * cwd;
+    if (dir[0] != '/') {
+        cwd = (char*)malloc(sizeof(char) * PATH_MAX);
+        getcwd(cwd, PATH_MAX);
+        attr->currdir = (char *)apr_pstrcat(attr->pool, cwd, "/", dir, NULL);
+        free(cwd);
+    } else {
+        attr->currdir = (char *)apr_pstrdup(attr->pool, dir);
+    }
+    if (attr->currdir) {
+        return APR_SUCCESS;
+    }
+    return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                                   apr_cmdtype_e cmd) 
+{
+    attr->cmdtype = cmd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach) 
+{
+    attr->detached = detach;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
+{
+    int pid;
+    
+    if ((pid = fork()) < 0) {
+        return errno;
+    }
+    else if (pid == 0) {
+		/* This is really ugly...
+		 * The semantics of BeOS's fork() are that areas (used for shared
+		 * memory) get COW'd :-( The only way we can make shared memory
+		 * work across fork() is therefore to find any areas that have
+		 * been created and then clone them into our address space.
+         * Thankfully only COW'd areas have the lock variable set at
+         * anything but 0, so we can use that to find the areas we need to
+         * copy. Of course what makes it even worse is that the loop through
+         * the area's will go into an infinite loop, eating memory and then
+         * eventually segfault unless we know when we reach then end of the
+         * "original" areas and stop. Why? Well, we delete the area and then
+         * add another to the end of the list...
+		 */
+		area_info ai;
+		int32 cookie = 0;
+        area_id highest = 0;
+		
+        while (get_next_area_info(0, &cookie, &ai) == B_OK)
+            if (ai.area	> highest)
+                highest = ai.area;
+        cookie = 0;
+        while (get_next_area_info(0, &cookie, &ai) == B_OK) {
+            if (ai.area > highest)
+                break;
+            if (ai.lock > 0) {
+                area_id original = find_area(ai.name);
+                delete_area(ai.area);
+                clone_area(ai.name, &ai.address, B_CLONE_ADDRESS,
+                           ai.protection, original);
+            }
+        }
+		
+        proc->pid = pid;
+        proc->in = NULL; 
+        proc->out = NULL; 
+        proc->err = NULL;
+        return APR_INCHILD;
+    }
+    proc->pid = pid;
+    proc->in = NULL; 
+    proc->out = NULL; 
+    proc->err = NULL; 
+    return APR_INPARENT;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    /* won't ever be called on this platform, so don't save the function pointer */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *new, const char *progname, 
+                                          const char * const *args,
+                                          const char * const *env, 
+                                          apr_procattr_t *attr, 
+                                          apr_pool_t *pool)
+{
+    int i=0,nargs=0;
+    char **newargs = NULL;
+    thread_id newproc, sender;
+    struct send_pipe *sp;        
+    char * dir = NULL;
+	    
+    sp = (struct send_pipe *)apr_palloc(pool, sizeof(struct send_pipe));
+
+    new->in = attr->parent_in;
+    new->err = attr->parent_err;
+    new->out = attr->parent_out;
+    sp->in  = attr->child_in  ? attr->child_in->filedes  : FILENO_STDIN;
+    sp->out = attr->child_out ? attr->child_out->filedes : FILENO_STDOUT;
+    sp->err = attr->child_err ? attr->child_err->filedes : FILENO_STDERR;
+
+    i = 0;
+    while (args && args[i]) {
+        i++;
+    }
+
+	newargs = (char**)malloc(sizeof(char *) * (i + 4));
+	newargs[0] = strdup("/boot/home/config/bin/apr_proc_stub");
+    if (attr->currdir == NULL) {
+        /* we require the directory , so use a temp. variable */
+        dir = malloc(sizeof(char) * PATH_MAX);
+        getcwd(dir, PATH_MAX);
+        newargs[1] = strdup(dir);
+        free(dir);
+    } else {
+        newargs[1] = strdup(attr->currdir);
+    }
+    newargs[2] = strdup(progname);
+    i=0;nargs = 3;
+
+    while (args && args[i]) {
+        newargs[nargs] = strdup(args[i]);
+        i++;nargs++;
+    }
+    newargs[nargs] = NULL;
+
+    /* ### we should be looking at attr->cmdtype in here... */
+
+    newproc = load_image(nargs, (const char**)newargs, (const char**)env);
+
+    /* load_image copies the data so now we can free it... */
+    while (--nargs >= 0)
+        free (newargs[nargs]);
+    free(newargs);
+        
+    if (newproc < B_NO_ERROR) {
+        return errno;
+    }
+
+    resume_thread(newproc);
+
+    if (attr->child_in && (attr->child_in->filedes != -1)) {
+        apr_file_close(attr->child_in);
+    }
+    if (attr->child_out && (attr->child_in->filedes != -1)) {
+        apr_file_close(attr->child_out);
+    }
+    if (attr->child_err && (attr->child_in->filedes != -1)) {
+        apr_file_close(attr->child_err);
+    }
+
+    send_data(newproc, 0, (void*)sp, sizeof(struct send_pipe));
+    new->pid = newproc;
+
+    /* before we go charging on we need the new process to get to a 
+     * certain point.  When it gets there it'll let us know and we
+     * can carry on. */
+    receive_data(&sender, (void*)NULL,0);
+    
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow, 
+                                                  apr_pool_t *p)
+{
+    proc->pid = -1;
+    return apr_proc_wait(proc, exitcode, exitwhy, waithow);
+} 
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, 
+                                        apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    pid_t pstatus;
+    int waitpid_options = WUNTRACED;
+    int exit_int;
+    int ignore;
+    apr_exit_why_e ignorewhy;
+
+    if (exitcode == NULL) {
+        exitcode = &ignore;
+    }
+    if (exitwhy == NULL) {
+        exitwhy = &ignorewhy;
+    }
+
+    if (waithow != APR_WAIT) {
+        waitpid_options |= WNOHANG;
+    }
+
+    if ((pstatus = waitpid(proc->pid, &exit_int, waitpid_options)) > 0) {
+        proc->pid = pstatus;
+        if (WIFEXITED(exit_int)) {
+            *exitwhy = APR_PROC_EXIT;
+            *exitcode = WEXITSTATUS(exit_int);
+        }
+        else if (WIFSIGNALED(exit_int)) {
+            *exitwhy = APR_PROC_SIGNAL;
+            *exitcode = WTERMSIG(exit_int);
+        }
+        else {
+
+            /* unexpected condition */
+            return APR_EGENERAL;
+        }
+        return APR_CHILD_DONE;
+    }
+    else if (pstatus == 0) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return errno;
+} 
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
+                                   apr_file_t *parent_in)
+{
+    apr_status_t rv;
+
+    if (attr->child_in == NULL && attr->parent_in == NULL
+            && child_in == NULL && parent_in == NULL)
+        if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+
+    if (child_in != NULL && rv == APR_SUCCESS) {
+        if (attr->child_in && (attr->child_in->filedes != -1))
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+        else {
+            attr->child_in = NULL;
+            if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_in);
+        }
+    }
+
+    if (parent_in != NULL && rv == APR_SUCCESS)
+        rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
+                                                     apr_file_t *parent_out)
+{
+    apr_status_t rv;
+
+    if (attr->child_out == NULL && attr->parent_out == NULL
+           && child_out == NULL && parent_out == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+
+    if (child_out != NULL && rv == APR_SUCCESS) {
+        if (attr->child_out && (attr->child_out->filedes != -1))
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+        else {
+            attr->child_out = NULL;
+            if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_out);
+        }
+    }
+  
+    if (parent_out != NULL && rv == APR_SUCCESS)
+        rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
+                                                     apr_file_t *parent_err)
+{
+    apr_status_t rv;
+
+    if (attr->child_err == NULL && attr->parent_err == NULL
+           && child_err == NULL && parent_err == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+
+    if (child_err != NULL && rv == APR_SUCCESS) {
+        if (attr->child_err && (attr->child_err->filedes != -1))
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+        else {
+            attr->child_err = NULL;
+            if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_err);
+        }
+    }
+  
+    if (parent_err != NULL && rv == APR_SUCCESS)
+        rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_limit_set(apr_procattr_t *attr, apr_int32_t what, 
+                                                  void *limit)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
+                                                const char *username,
+                                                const char *password)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/beos/thread.c b/threadproc/beos/thread.c
new file mode 100644
index 0000000..8d83839
--- /dev/null
+++ b/threadproc/beos/thread.c
@@ -0,0 +1,237 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_portable.h"
+
+APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new, apr_pool_t *pool)
+{
+    (*new) = (apr_threadattr_t *)apr_palloc(pool, 
+              sizeof(apr_threadattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->pool = pool;
+	(*new)->attr = (int32)B_NORMAL_PRIORITY;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr, apr_int32_t on)
+{
+	if (on == 1){
+		attr->detached = 1;
+	} else {
+		attr->detached = 0;
+	}    
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+	if (attr->detached == 1){
+		return APR_DETACH;
+	}
+	return APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+    return APR_ENOTIMPL;
+}
+
+static void *dummy_worker(void *opaque)
+{
+    apr_thread_t *thd = (apr_thread_t*)opaque;
+    return thd->func(thd, thd->data);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new, apr_threadattr_t *attr,
+                                            apr_thread_start_t func, void *data,
+                                            apr_pool_t *pool)
+{
+    int32 temp;
+    apr_status_t stat;
+    
+    (*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->data = data;
+    (*new)->func = func;
+    (*new)->exitval = -1;
+
+    /* First we create the new thread...*/
+	if (attr)
+	    temp = attr->attr;
+	else
+	    temp = B_NORMAL_PRIORITY;
+
+    stat = apr_pool_create(&(*new)->pool, pool);
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+
+    (*new)->td = spawn_thread((thread_func)dummy_worker, 
+                              "apr thread", 
+                              temp, 
+                              (*new));
+
+    /* Now we try to run it...*/
+    if (resume_thread((*new)->td) == B_NO_ERROR) {
+        return APR_SUCCESS;
+    }
+    else {
+        return errno;
+    } 
+}
+
+APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
+{
+    return find_thread(NULL);
+}
+
+int apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2)
+{
+    return tid1 == tid2;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd, apr_status_t retval)
+{
+    apr_pool_destroy(thd->pool);
+    thd->exitval = retval;
+    exit_thread ((status_t)(retval));
+    /* This will never be reached... */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval, apr_thread_t *thd)
+{
+    status_t rv = 0, ret;
+    ret = wait_for_thread(thd->td, &rv);
+    if (ret == B_NO_ERROR) {
+        *retval = rv;
+        return APR_SUCCESS;
+    }
+    else {
+        /* if we've missed the thread's death, did we set an exit value prior
+         * to it's demise?  If we did return that.
+         */
+        if (thd->exitval != -1) {
+            *retval = thd->exitval;
+            return APR_SUCCESS;
+        } else 
+            return ret;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
+{
+	if (suspend_thread(thd->td) == B_NO_ERROR){
+        return APR_SUCCESS;
+    }
+    else {
+        return errno;
+    }
+}
+
+void apr_thread_yield()
+{
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key, apr_thread_t *thread)
+{
+    return apr_pool_userdata_get(data, key, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
+                                              apr_status_t (*cleanup) (void *),
+                                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd, apr_thread_t *thd)
+{
+    *thethd = &thd->td;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd, apr_os_thread_t *thethd, 
+                                            apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+    (*thd)->td = *thethd;
+    return APR_SUCCESS;
+}
+
+static apr_status_t thread_once_cleanup(void *vcontrol)
+{
+    apr_thread_once_t *control = (apr_thread_once_t *)vcontrol;
+
+    if (control->sem) {
+        release_sem(control->sem);
+        delete_sem(control->sem);
+    }
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    int rc;
+    *control = (apr_thread_once_t *)apr_pcalloc(p, sizeof(apr_thread_once_t));
+    (*control)->hit = 0; /* we haven't done it yet... */
+    rc = ((*control)->sem = create_sem(1, "thread_once"));
+    if (rc < 0)
+        return rc;
+
+    apr_pool_cleanup_register(p, control, thread_once_cleanup, apr_pool_cleanup_null);
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control, 
+                                          void (*func)(void))
+{
+    if (!control->hit) {
+        if (acquire_sem(control->sem) == B_OK) {
+            control->hit = 1;
+            func();
+        }
+    }
+    return APR_SUCCESS;
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
diff --git a/threadproc/beos/threadpriv.c b/threadproc/beos/threadpriv.c
new file mode 100644
index 0000000..442235f
--- /dev/null
+++ b/threadproc/beos/threadpriv.c
@@ -0,0 +1,180 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+
+static struct beos_key key_table[BEOS_MAX_DATAKEYS];
+static struct beos_private_data *beos_data[BEOS_MAX_DATAKEYS];
+static sem_id lock;
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
+                                       void (*dest)(void *), apr_pool_t *pool)
+{
+    (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+    if ((*key) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*key)->pool = pool;
+    	
+	acquire_sem(lock);
+	for ((*key)->key=0; (*key)->key < BEOS_MAX_DATAKEYS; (*key)->key++){
+		if (key_table[(*key)->key].assigned == 0){
+			key_table[(*key)->key].assigned = 1;
+			key_table[(*key)->key].destructor = dest;
+			release_sem(lock);
+			return APR_SUCCESS;
+		}				
+
+	}
+	release_sem(lock);
+    return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new, apr_threadkey_t *key)
+{
+	thread_id tid;
+	int i, index=0;
+	tid = find_thread(NULL);
+	for (i=0;i<BEOS_MAX_DATAKEYS;i++){
+		if (beos_data[i]->data){
+			/* it's been used */
+			if (beos_data[i]->td == tid){
+				index = i;
+			}
+		}
+	}
+	if (index == 0){
+		/* no storage for thread so we can't get anything... */
+		return APR_ENOMEM;
+	}
+
+	if ((key->key < BEOS_MAX_DATAKEYS) && (key_table)){
+		acquire_sem(key_table[key->key].lock);
+		if (key_table[key->key].count){
+			(*new) = (void*)beos_data[index]->data[key->key];
+		} else {
+			(*new) = NULL;
+		}
+		release_sem(key_table[key->key].lock);
+	} else {
+		(*new) = NULL;
+	}
+	return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv, apr_threadkey_t *key)
+{
+	thread_id tid;
+	int i,index = 0, ret = 0;
+
+	tid = find_thread(NULL);	
+	for (i=0; i < BEOS_MAX_DATAKEYS; i++){
+		if (beos_data[i]->data){
+			if (beos_data[i]->td == tid){index = i;}
+		}
+	}
+	if (index==0){
+		/* not yet been allocated */
+		for (i=0; i< BEOS_MAX_DATAKEYS; i++){
+			if (! beos_data[i]->data){
+				/* we'll take this one... */
+				index = i;
+				beos_data[i]->data = (const void **)malloc(sizeof(void *) * BEOS_MAX_DATAKEYS);
+				memset((void *)beos_data[i]->data, 0, sizeof(void *) * BEOS_MAX_DATAKEYS);
+				beos_data[i]->count = (int)malloc(sizeof(int));
+				beos_data[i]->td = (thread_id)malloc(sizeof(thread_id));
+				beos_data[i]->td = tid;
+			}
+		}
+	}
+	if (index == 0){
+		/* we're out of luck.. */
+		return APR_ENOMEM;
+	}
+	if ((key->key < BEOS_MAX_DATAKEYS) && (key_table)){
+		acquire_sem(key_table[key->key].lock);
+		if (key_table[key->key].count){
+			if (beos_data[index]->data[key->key] == NULL){
+				if (priv != NULL){
+					beos_data[index]->count++;
+					key_table[key->key].count++;
+				}
+			} else {
+				if (priv == NULL){
+					beos_data[index]->count--;
+					key_table[key->key].count--;
+				}
+			}
+			beos_data[index]->data[key->key] = priv;
+			ret = 1;
+		} else {
+			ret = 0;
+		}
+		release_sem(key_table[key->key].lock);
+	}
+	if (ret)
+    	return APR_SUCCESS;
+	return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
+{
+	if (key->key < BEOS_MAX_DATAKEYS){
+		acquire_sem(key_table[key->key].lock);
+		if (key_table[key->key].count == 1){
+			key_table[key->key].destructor = NULL;
+			key_table[key->key].count = 0;
+		}
+		release_sem(key_table[key->key].lock);
+	} else {
+		return APR_ENOMEM;
+	}
+	return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
+                                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_get(data, key, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
+                                                 apr_status_t (*cleanup) (void *),
+                                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey, apr_threadkey_t *key)
+{
+    *thekey = key->key;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key, 
+                                               apr_os_threadkey_t *thekey, apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*key) == NULL) {
+        (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
+        (*key)->pool = pool;
+    }
+    (*key)->key = *thekey;
+    return APR_SUCCESS;
+}
diff --git a/threadproc/beos/threadproc_common.c b/threadproc/beos/threadproc_common.c
new file mode 100644
index 0000000..95e1625
--- /dev/null
+++ b/threadproc/beos/threadproc_common.c
@@ -0,0 +1,21 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* As the signal code is identical, use the unix version to reduce
+   code duplication */
+#include "../unix/signals.c"
+#include "../unix/procsup.c"
+   
diff --git a/threadproc/netware/proc.c b/threadproc/netware/proc.c
new file mode 100644
index 0000000..e5306f9
--- /dev/null
+++ b/threadproc/netware/proc.c
@@ -0,0 +1,515 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+
+#include <proc.h>
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, -1, };
+
+static apr_status_t apr_netware_proc_cleanup(void *theproc)
+{
+    apr_proc_t *proc = theproc;
+    int exit_int;
+    int waitpid_options = WUNTRACED | WNOHANG;
+
+    if (proc->pid > 0) {
+        waitpid(proc->pid, &exit_int, waitpid_options);
+    }
+
+/*	NXVmDestroy(proc->pid); */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    (*new)->pool = pool;
+    (*new)->cmdtype = APR_PROGRAM;
+    /* Default to a current path since NetWare doesn't handle it very well */
+    apr_filepath_get(&((*new)->currdir), APR_FILEPATH_NATIVE, pool);
+    (*new)->detached = 1;
+    return APR_SUCCESS;
+
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in,
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t rv;
+
+    if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                          in, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (in == APR_NO_FILE)
+        attr->child_in = &no_file;
+
+    if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                          out, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (out == APR_NO_FILE)
+        attr->child_out = &no_file;
+
+    if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                          err, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (err == APR_NO_FILE)
+        attr->child_err = &no_file;
+
+    return APR_SUCCESS;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
+                                   apr_file_t *parent_in)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_in == NULL && attr->parent_in == NULL
+            && child_in == NULL && parent_in == NULL)
+        if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+
+    if (child_in != NULL && rv == APR_SUCCESS) {
+        if (attr->child_in && (attr->child_in->filedes != -1))
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+        else {
+            attr->child_in = NULL;
+            if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_in);
+        }
+    }
+
+    if (parent_in != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
+                                                     apr_file_t *parent_out)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_out == NULL && attr->parent_out == NULL
+           && child_out == NULL && parent_out == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+
+    if (child_out != NULL && rv == APR_SUCCESS) {
+        if (attr->child_out && (attr->child_out->filedes != -1))
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+        else {
+            attr->child_out = NULL;
+            if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_out);
+        }
+    }
+  
+    if (parent_out != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
+                                                     apr_file_t *parent_err)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_err == NULL && attr->parent_err == NULL
+           && child_err == NULL && parent_err == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+
+    if (child_err != NULL && rv == APR_SUCCESS) {
+        if (attr->child_err && (attr->child_err->filedes != -1))
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+        else {
+            attr->child_err = NULL;
+            if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_err);
+        }
+    }
+  
+    if (parent_err != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr, 
+                               const char *dir) 
+{
+    return apr_filepath_merge(&attr->currdir, NULL, dir, 
+                              APR_FILEPATH_NATIVE, attr->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                     apr_cmdtype_e cmd) 
+{
+    /* won't ever be called on this platform, so don't save the function pointer */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach) 
+{
+    attr->detached = detach;
+    return APR_SUCCESS;
+}
+
+#if APR_HAS_FORK
+APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
+{
+    int pid;
+    
+    if ((pid = fork()) < 0) {
+        return errno;
+    }
+    else if (pid == 0) {
+        proc->pid = pid;
+        proc->in = NULL; 
+        proc->out = NULL; 
+        proc->err = NULL; 
+        return APR_INCHILD;
+    }
+    proc->pid = pid;
+    proc->in = NULL; 
+    proc->out = NULL; 
+    proc->err = NULL; 
+    return APR_INPARENT;
+}
+#endif
+
+static apr_status_t limit_proc(apr_procattr_t *attr)
+{
+#if APR_HAVE_STRUCT_RLIMIT && APR_HAVE_SETRLIMIT
+#ifdef RLIMIT_CPU
+    if (attr->limit_cpu != NULL) {
+        if ((setrlimit(RLIMIT_CPU, attr->limit_cpu)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#ifdef RLIMIT_NPROC
+    if (attr->limit_nproc != NULL) {
+        if ((setrlimit(RLIMIT_NPROC, attr->limit_nproc)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#if defined(RLIMIT_AS)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_AS, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#elif defined(RLIMIT_DATA)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_DATA, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#elif defined(RLIMIT_VMEM)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_VMEM, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#else
+    /*
+     * Maybe make a note in error_log that setrlimit isn't supported??
+     */
+
+#endif
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    /* won't ever be called on this platform, so don't save the function pointer */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    attr->addrspace = addrspace;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *newproc,
+									const char *progname, 
+									const char * const *args, 
+									const char * const *env,
+                              		apr_procattr_t *attr, 
+                              		apr_pool_t *pool)
+{
+    wiring_t wire;
+    int      addr_space;
+
+    wire.infd  = attr->child_in  
+               ? (attr->child_in->filedes != -1 ? attr->child_in->filedes 
+                                                : FD_UNUSED)
+               : fileno(stdin);
+    wire.outfd  = attr->child_out
+                ? (attr->child_out->filedes != -1 ? attr->child_out->filedes 
+                                                  : FD_UNUSED)
+                : fileno(stdout);
+    wire.errfd  = attr->child_err
+                ? (attr->child_err->filedes != -1 ? attr->child_err->filedes 
+                                                  : FD_UNUSED)
+                : fileno(stderr);
+
+    newproc->in = attr->parent_in;
+    newproc->out = attr->parent_out;
+    newproc->err = attr->parent_err;
+
+    /* attr->detached and PROC_DETACHED do not mean the same thing.  attr->detached means
+     * start the NLM in a separate address space.  PROC_DETACHED means don't wait for the
+     * NLM to unload by calling wait() or waitpid(), just clean up */
+    addr_space = PROC_LOAD_SILENT | (attr->addrspace ? 0 : PROC_CURRENT_SPACE);
+    addr_space |= (attr->detached ? PROC_DETACHED : 0);
+
+    if (attr->currdir) {
+        char *fullpath = NULL;
+        apr_status_t rv;
+
+        if ((rv = apr_filepath_merge(&fullpath, attr->currdir, progname, 
+                                     APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
+            return rv;
+        }
+        progname = fullpath;
+    } 
+
+    if ((newproc->pid = procve(progname, addr_space, (const char**)env, &wire, 
+        NULL, NULL, 0, NULL, (const char **)args)) == -1) {
+        return errno;
+    }
+
+    if (attr->child_in && (attr->child_in->filedes != -1)) {
+        apr_pool_cleanup_kill(apr_file_pool_get(attr->child_in), 
+                              attr->child_in, apr_unix_file_cleanup);
+        apr_file_close(attr->child_in);
+    }
+    if (attr->child_out && (attr->child_out->filedes != -1)) {
+        apr_pool_cleanup_kill(apr_file_pool_get(attr->child_out), 
+                              attr->child_out, apr_unix_file_cleanup);
+        apr_file_close(attr->child_out);
+    }
+    if (attr->child_err && (attr->child_err->filedes != -1)) {
+        apr_pool_cleanup_kill(apr_file_pool_get(attr->child_err), 
+                              attr->child_err, apr_unix_file_cleanup);
+        apr_file_close(attr->child_err);
+    }
+
+    apr_pool_cleanup_register(pool, (void *)newproc, apr_netware_proc_cleanup,
+        apr_pool_cleanup_null);
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow,
+                                                  apr_pool_t *p)
+{
+    proc->pid = -1;
+    return apr_proc_wait(proc, exitcode, exitwhy, waithow);
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    pid_t pstatus;
+    int waitpid_options = WUNTRACED;
+    int exit_int;
+    int ignore;
+    apr_exit_why_e ignorewhy;
+
+    if (exitcode == NULL) {
+        exitcode = &ignore;
+    }
+
+    if (exitwhy == NULL) {
+        exitwhy = &ignorewhy;
+    }
+
+    if (waithow != APR_WAIT) {
+        waitpid_options |= WNOHANG;
+    }
+
+    /* If the pid is 0 then the process was started detached. There 
+       is no need to wait since there is nothing to wait for on a 
+       detached process.  Starting a process as non-detached and
+       then calling wait or waitpid could cause the thread to hang.
+       The reason for this is because NetWare does not have a way 
+       to kill or even signal a process to be killed.  Starting 
+       all processes as detached avoids the possibility of a 
+       thread hanging. */
+    if (proc->pid == 0) {
+        *exitwhy = APR_PROC_EXIT;
+        *exitcode = 0;
+        return APR_CHILD_DONE;
+    }
+
+    if ((pstatus = waitpid(proc->pid, &exit_int, waitpid_options)) > 0) {
+        proc->pid = pstatus;
+
+        if (WIFEXITED(exit_int)) {
+            *exitwhy = APR_PROC_EXIT;
+            *exitcode = WEXITSTATUS(exit_int);
+        }
+        else if (WIFSIGNALED(exit_int)) {
+            *exitwhy = APR_PROC_SIGNAL;
+            *exitcode = WIFTERMSIG(exit_int);
+        }
+        else {
+            /* unexpected condition */
+            return APR_EGENERAL;
+        }
+
+        return APR_CHILD_DONE;
+    }
+    else if (pstatus == 0) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return errno;
+}
+
+#if APR_HAVE_STRUCT_RLIMIT
+APR_DECLARE(apr_status_t) apr_procattr_limit_set(apr_procattr_t *attr,
+                                                 apr_int32_t what, 
+                                                 struct rlimit *limit)
+{
+    switch(what) {
+        case APR_LIMIT_CPU:
+#ifdef RLIMIT_CPU
+            attr->limit_cpu = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_MEM:
+#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
+            attr->limit_mem = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_NPROC:
+#ifdef RLIMIT_NPROC
+            attr->limit_nproc = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_NOFILE:
+#ifdef RLIMIT_NOFILE
+            attr->limit_nofile = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+    }
+    return APR_SUCCESS;
+}  
+#endif /* APR_HAVE_STRUCT_RLIMIT */
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
+                                                const char *username,
+                                                const char *password)
+{
+    /* Always return SUCCESS because NetWare threads don't run as a user */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    /* Always return SUCCESS because NetWare threads don't run within a group */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/netware/procsup.c b/threadproc/netware/procsup.c
new file mode 100644
index 0000000..72fa1d9
--- /dev/null
+++ b/threadproc/netware/procsup.c
@@ -0,0 +1,102 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+
+apr_status_t apr_proc_detach(int daemonize)
+{
+#if 0
+    int x;
+    pid_t pgrp;
+
+    chdir("/");
+#if !defined(MPE) && !defined(OS2) && !defined(TPF) && !defined(BEOS)
+/* Don't detach for MPE because child processes can't survive the death of
+   the parent. */
+    if ((x = fork()) > 0)
+        exit(0);
+    else if (x == -1) {
+        perror("fork");
+        fprintf(stderr, "unable to fork new process\n");
+        exit(1);  /* we can't do anything here, so just exit. */
+    }
+/*    RAISE_SIGSTOP(DETACH);*/
+#endif
+#if APR_HAVE_SETSID
+    if ((pgrp = setsid()) == -1) {
+        return errno;
+    }
+#elif defined(NEXT) || defined(NEWSOS)
+    if (setpgrp(0, getpid()) == -1 || (pgrp = getpgrp(0)) == -1) {
+        return errno;
+    }
+#elif defined(OS2) || defined(TPF)
+    /* OS/2 don't support process group IDs */
+    pgrp = getpid();
+#elif defined(MPE)
+    /* MPE uses negative pid for process group */
+    pgrp = -getpid();
+#else
+    if ((pgrp = setpgid(0, 0)) == -1) {
+        return errno;
+    }
+#endif
+
+    /* close out the standard file descriptors */
+    if (freopen("/dev/null", "r", stdin) == NULL) {
+        return errno;
+        /* continue anyhow -- note we can't close out descriptor 0 because we
+         * have nothing to replace it with, and if we didn't have a descriptor
+         * 0 the next file would be created with that value ... leading to
+         * havoc.
+         */
+    }
+    if (freopen("/dev/null", "w", stdout) == NULL) {
+        return errno;
+    }
+     /* We are going to reopen this again in a little while to the error
+      * log file, but better to do it twice and suffer a small performance
+      * hit for consistancy than not reopen it here.
+      */
+    if (freopen("/dev/null", "w", stderr) == NULL) {
+        return errno;
+    }
+#endif
+    return APR_SUCCESS;
+}
+
+#if 0
+#if (!HAVE_WAITPID)
+/* From ikluft@amdahl.com
+ * this is not ideal but it works for SVR3 variants
+ * Modified by dwd@bell-labs.com to call wait3 instead of wait because
+ *   apache started to use the WNOHANG option.
+ */
+int waitpid(pid_t pid, int *statusp, int options)
+{
+    int tmp_pid;
+    if (kill(pid, 0) == -1) {
+        errno = ECHILD;
+        return -1;
+    }
+    while (((tmp_pid = wait3(statusp, options, 0)) != pid) &&
+                (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
+        ;
+    return tmp_pid;
+}
+#endif
+#endif
+
diff --git a/threadproc/netware/signals.c b/threadproc/netware/signals.c
new file mode 100644
index 0000000..c744da5
--- /dev/null
+++ b/threadproc/netware/signals.c
@@ -0,0 +1,81 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_private.h"
+#include "apr_pools.h"
+#include "apr_signal.h"
+#include "apr_strings.h"
+
+#include <assert.h>
+#if APR_HAS_THREADS && APR_HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+APR_DECLARE(apr_status_t) apr_proc_kill(apr_proc_t *proc, int signum)
+{
+    return APR_ENOTIMPL;
+}
+
+
+void apr_signal_init(apr_pool_t *pglobal)
+{
+}
+
+const char *apr_signal_description_get(int signum)
+{
+    switch (signum)
+    {
+    case SIGABRT:
+        return "Abort";
+    case SIGFPE:
+        return "Arithmetic exception";
+    case SIGILL:
+        return "Illegal instruction";
+    case SIGINT:
+        return "Interrupt";
+    case SIGSEGV:
+        return "Segmentation fault";
+    case SIGTERM:
+        return "Terminated";
+    case SIGPOLL:
+        return "Pollable event occurred";
+    default:
+        return "unknown signal (not supported)";
+    }
+}
+
+static void *signal_thread_func(void *signal_handler)
+{
+    return NULL;
+}
+
+#if (APR_HAVE_SIGWAIT || APR_HAVE_SIGSUSPEND)
+APR_DECLARE(apr_status_t) apr_setup_signal_thread(void)
+{
+    return 0;
+}
+#endif /* (APR_HAVE_SIGWAIT || APR_HAVE_SIGSUSPEND) */
+
+APR_DECLARE(apr_status_t) apr_signal_block(int signum)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_signal_unblock(int signum)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/netware/thread.c b/threadproc/netware/thread.c
new file mode 100644
index 0000000..f983668
--- /dev/null
+++ b/threadproc/netware/thread.c
@@ -0,0 +1,254 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_portable.h"
+#include "apr_strings.h"
+#include "apr_arch_threadproc.h"
+
+static int thread_count = 0;
+
+apr_status_t apr_threadattr_create(apr_threadattr_t **new,
+                                                apr_pool_t *pool)
+{
+    (*new) = (apr_threadattr_t *)apr_palloc(pool, 
+              sizeof(apr_threadattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->pool = pool;
+    (*new)->stack_size = APR_DEFAULT_STACK_SIZE;
+    (*new)->detach = 0;
+    (*new)->thread_name = NULL;
+    return APR_SUCCESS;
+}
+
+apr_status_t apr_threadattr_detach_set(apr_threadattr_t *attr,apr_int32_t on)
+{
+    attr->detach = on;
+    return APR_SUCCESS;   
+}
+
+apr_status_t apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+    if (attr->detach == 1)
+        return APR_DETACH;
+    return APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    attr->stack_size = stacksize;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+    return APR_ENOTIMPL;
+}
+
+static void *dummy_worker(void *opaque)
+{
+    apr_thread_t *thd = (apr_thread_t *)opaque;
+    return thd->func(thd, thd->data);
+}
+
+apr_status_t apr_thread_create(apr_thread_t **new,
+                               apr_threadattr_t *attr, 
+                               apr_thread_start_t func,
+                               void *data,
+                               apr_pool_t *pool)
+{
+    apr_status_t stat;
+    unsigned long flags = NX_THR_BIND_CONTEXT;
+    char threadName[NX_MAX_OBJECT_NAME_LEN+1];
+    size_t stack_size = APR_DEFAULT_STACK_SIZE;
+
+    if (attr && attr->thread_name) {
+        strncpy (threadName, attr->thread_name, NX_MAX_OBJECT_NAME_LEN);
+    }
+    else {
+        sprintf(threadName, "APR_thread %04ld", ++thread_count);
+    }
+
+    /* An original stack size of 0 will allow NXCreateThread() to
+    *   assign a default system stack size.  An original stack
+    *   size of less than 0 will assign the APR default stack size.
+    *   anything else will be taken as is.
+    */
+    if (attr && (attr->stack_size >= 0)) {
+        stack_size = attr->stack_size;
+    }
+    
+    (*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    
+    (*new)->data = data;
+    (*new)->func = func;
+    (*new)->thread_name = (char*)apr_pstrdup(pool, threadName);
+    
+    stat = apr_pool_create(&(*new)->pool, pool);
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+    
+    if (attr && attr->detach) {
+        flags |= NX_THR_DETACHED;
+    }
+    
+    (*new)->ctx = NXContextAlloc(
+        /* void(*start_routine)(void *arg) */ (void (*)(void *)) dummy_worker,
+        /* void *arg */                       (*new),
+        /* int priority */                    NX_PRIO_MED,
+        /* size_t stackSize */                stack_size,
+        /* unsigned long flags */             NX_CTX_NORMAL,
+        /* int *error */                      &stat);
+
+    stat = NXContextSetName(
+        /* NXContext_t ctx */  (*new)->ctx,
+        /* const char *name */ threadName);
+
+    stat = NXThreadCreate(
+        /* NXContext_t context */     (*new)->ctx,
+        /* unsigned long flags */     flags,
+        /* NXThreadId_t *thread_id */ &(*new)->td);
+
+    if (stat == 0)
+        return APR_SUCCESS;
+        
+    return(stat); /* if error */    
+}
+
+apr_os_thread_t apr_os_thread_current()
+{
+    return NXThreadGetId();
+}
+
+int apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2)
+{
+    return (tid1 == tid2);
+}
+
+void apr_thread_yield()
+{
+    NXThreadYield();
+}
+
+apr_status_t apr_thread_exit(apr_thread_t *thd,
+                             apr_status_t retval)
+{
+    thd->exitval = retval;
+    apr_pool_destroy(thd->pool);
+    NXThreadExit(NULL);
+    return APR_SUCCESS;
+}
+
+apr_status_t apr_thread_join(apr_status_t *retval,
+                                          apr_thread_t *thd)
+{
+    apr_status_t  stat;    
+    NXThreadId_t dthr;
+
+    if ((stat = NXThreadJoin(thd->td, &dthr, NULL)) == 0) {
+        *retval = thd->exitval;
+        return APR_SUCCESS;
+    }
+    else {
+        return stat;
+    }
+}
+
+apr_status_t apr_thread_detach(apr_thread_t *thd)
+{
+    return APR_SUCCESS;
+}
+
+apr_status_t apr_thread_data_get(void **data, const char *key,
+                                             apr_thread_t *thread)
+{
+    if (thread != NULL) {
+            return apr_pool_userdata_get(data, key, thread->pool);
+    }
+    else {
+        data = NULL;
+        return APR_ENOTHREAD;
+    }
+}
+
+apr_status_t apr_thread_data_set(void *data, const char *key,
+                              apr_status_t (*cleanup) (void *),
+                              apr_thread_t *thread)
+{
+    if (thread != NULL) {
+       return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+    }
+    else {
+        data = NULL;
+        return APR_ENOTHREAD;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
+                                            apr_thread_t *thd)
+{
+    if (thd == NULL) {
+        return APR_ENOTHREAD;
+    }
+    *thethd = &(thd->td);
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd,
+                                            apr_os_thread_t *thethd,
+                                            apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+    (*thd)->td = *thethd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    (*control) = apr_pcalloc(p, sizeof(**control));
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
+                                          void (*func)(void))
+{
+    if (!atomic_xchg(&control->value, 1)) {
+        func();
+    }
+    return APR_SUCCESS;
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
+
+
diff --git a/threadproc/netware/threadpriv.c b/threadproc/netware/threadpriv.c
new file mode 100644
index 0000000..54680a5
--- /dev/null
+++ b/threadproc/netware/threadpriv.c
@@ -0,0 +1,102 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_portable.h"
+#include "apr_arch_threadproc.h"
+
+apr_status_t apr_threadkey_private_create(apr_threadkey_t **key, 
+                                        void (*dest)(void *), apr_pool_t *pool) 
+{
+    apr_status_t stat;
+    
+    (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+	if ((*key) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*key)->pool = pool;
+
+    if ((stat = NXKeyCreate(NULL, dest, &(*key)->key)) == 0) {
+        return stat;
+    }
+    return stat;
+}
+
+apr_status_t apr_threadkey_private_get(void **new, apr_threadkey_t *key)
+{
+    apr_status_t stat;
+    
+    if ((stat = NXKeyGetValue(key->key, new)) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+        return stat;    
+    }
+}
+
+apr_status_t apr_threadkey_private_set(void *priv, apr_threadkey_t *key)
+{
+    apr_status_t stat;
+    if ((stat = NXKeySetValue(key->key, priv)) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+        return stat;
+    }
+}
+
+apr_status_t apr_threadkey_private_delete(apr_threadkey_t *key)
+{
+    apr_status_t stat;
+    if ((stat = NXKeyDelete(key->key)) == 0) {
+        return APR_SUCCESS; 
+    }
+    return stat;
+}
+
+apr_status_t apr_threadkey_data_get(void **data, const char *key, apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_get(data, key, threadkey->pool);
+}
+
+apr_status_t apr_threadkey_data_set(void *data,
+                                 const char *key, apr_status_t (*cleanup) (void *),
+                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
+}
+
+apr_status_t apr_os_threadkey_get(apr_os_threadkey_t *thekey,
+                                               apr_threadkey_t *key)
+{
+    thekey = &(key->key);
+    return APR_SUCCESS;
+}
+
+apr_status_t apr_os_threadkey_put(apr_threadkey_t **key, 
+                                apr_os_threadkey_t *thekey, apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*key) == NULL) {
+        (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+        (*key)->pool = pool;
+    }
+    (*key)->key = *thekey;
+    return APR_SUCCESS;
+}           
+
diff --git a/threadproc/os2/proc.c b/threadproc/os2/proc.c
new file mode 100644
index 0000000..96f76d6
--- /dev/null
+++ b/threadproc/os2/proc.c
@@ -0,0 +1,672 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define INCL_DOS
+#define INCL_DOSERRORS
+
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+#include "apr_private.h"
+#include "apr_thread_proc.h"
+#include "apr_file_io.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_portable.h"
+#include "apr_strings.h"
+#include "apr_signal.h"
+#include <signal.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <process.h>
+#include <stdlib.h>
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, -1, };
+
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new, apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_palloc(pool, 
+              sizeof(apr_procattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    (*new)->pool = pool;
+    (*new)->parent_in = NULL;
+    (*new)->child_in = NULL;
+    (*new)->parent_out = NULL;
+    (*new)->child_out = NULL;
+    (*new)->parent_err = NULL;
+    (*new)->child_err = NULL;
+    (*new)->currdir = NULL; 
+    (*new)->cmdtype = APR_PROGRAM;
+    (*new)->detached = FALSE;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in,
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t rv;
+
+    if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                          in, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (in == APR_NO_FILE)
+        attr->child_in = &no_file;
+
+    if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                          out, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (out == APR_NO_FILE)
+        attr->child_out = &no_file;
+
+    if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                          err, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (err == APR_NO_FILE)
+        attr->child_err = &no_file;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
+                                   apr_file_t *parent_in)
+{
+    apr_status_t rv;
+
+    if (attr->child_in == NULL && attr->parent_in == NULL
+            && child_in == NULL && parent_in == NULL)
+        if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+
+    if (child_in != NULL && rv == APR_SUCCESS) {
+        if (attr->child_in && (attr->child_in->filedes != -1))
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+        else {
+            attr->child_in = NULL;
+            if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_in);
+        }
+    }
+
+    if (parent_in != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
+                                                     apr_file_t *parent_out)
+{
+    apr_status_t rv;
+
+    if (attr->child_out == NULL && attr->parent_out == NULL
+           && child_out == NULL && parent_out == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+
+    if (child_out != NULL && rv == APR_SUCCESS) {
+        if (attr->child_out && (attr->child_out->filedes != -1))
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+        else {
+            attr->child_out = NULL;
+            if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_out);
+        }
+    }
+  
+    if (parent_out != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
+                                                     apr_file_t *parent_err)
+{
+    apr_status_t rv;
+
+    if (attr->child_err == NULL && attr->parent_err == NULL
+           && child_err == NULL && parent_err == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+
+    if (child_err != NULL && rv == APR_SUCCESS) {
+        if (attr->child_err && (attr->child_err->filedes != -1))
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+        else {
+            attr->child_err = NULL;
+            if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_err);
+        }
+    }
+  
+    if (parent_err != NULL && rv == APR_SUCCESS) {
+        rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr, const char *dir)
+{
+    attr->currdir = apr_pstrdup(attr->pool, dir);
+    if (attr->currdir) {
+        return APR_SUCCESS;
+    }
+    return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                                   apr_cmdtype_e cmd) 
+{
+    attr->cmdtype = cmd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach) 
+{
+    attr->detached = detach;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
+{
+    int pid;
+    
+    if ((pid = fork()) < 0) {
+        return errno;
+    }
+    else if (pid == 0) {
+        proc->pid = pid;
+        proc->in = NULL; 
+        proc->out = NULL; 
+        proc->err = NULL; 
+        return APR_INCHILD;
+    }
+    proc->pid = pid;
+    proc->in = NULL; 
+    proc->out = NULL; 
+    proc->err = NULL; 
+    return APR_INPARENT;
+}
+
+
+
+/* quotes in the string are doubled up.
+ * Used to escape quotes in args passed to OS/2's cmd.exe
+ */
+static char *double_quotes(apr_pool_t *pool, const char *str)
+{
+    int num_quotes = 0;
+    int len = 0;
+    char *quote_doubled_str, *dest;
+    
+    while (str[len]) {
+        num_quotes += str[len++] == '\"';
+    }
+    
+    quote_doubled_str = apr_palloc(pool, len + num_quotes + 1);
+    dest = quote_doubled_str;
+    
+    while (*str) {
+        if (*str == '\"')
+            *(dest++) = '\"';
+        *(dest++) = *(str++);
+    }
+    
+    *dest = 0;
+    return quote_doubled_str;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    /* won't ever be called on this platform, so don't save the function pointer */
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname,
+                                          const char * const *args,
+                                          const char * const *env,
+                                          apr_procattr_t *attr, apr_pool_t *pool)
+{
+    int i, arg, numargs, cmdlen;
+    apr_status_t status;
+    const char **newargs;
+    char savedir[300];
+    HFILE save_in, save_out, save_err, dup;
+    int criticalsection = FALSE;
+    char *extension, *newprogname, *extra_arg = NULL, *cmdline, *cmdline_pos;
+    char interpreter[1024];
+    char error_object[260];
+    apr_file_t *progfile;
+    int env_len, e;
+    char *env_block, *env_block_pos;
+    RESULTCODES rescodes;
+
+    proc->in = attr->parent_in;
+    proc->err = attr->parent_err;
+    proc->out = attr->parent_out;
+
+    /* Prevent other threads from running while these process-wide resources are modified */
+    if (attr->child_in || attr->child_out || attr->child_err || attr->currdir) {
+        criticalsection = TRUE;
+        DosEnterCritSec();
+    }
+
+    if (attr->child_in) {
+        save_in = -1;
+        DosDupHandle(STDIN_FILENO, &save_in);
+        dup = STDIN_FILENO;
+        if (attr->child_in->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_in->filedes, &dup);
+    }
+    
+    if (attr->child_out) {
+        save_out = -1;
+        DosDupHandle(STDOUT_FILENO, &save_out);
+        dup = STDOUT_FILENO;
+        if (attr->child_out->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_out->filedes, &dup);
+    }
+    
+    if (attr->child_err) {
+        save_err = -1;
+        DosDupHandle(STDERR_FILENO, &save_err);
+        dup = STDERR_FILENO;
+        if (attr->child_err->filedes == -1)
+            DosClose(dup);
+        else
+            DosDupHandle(attr->child_err->filedes, &dup);
+    }
+
+    apr_signal(SIGCHLD, SIG_DFL); /*not sure if this is needed or not */
+
+    if (attr->currdir != NULL) {
+        _getcwd2(savedir, sizeof(savedir));
+        
+        if (_chdir2(attr->currdir) < 0) {
+            if (criticalsection)
+                DosExitCritSec();
+            return errno;
+        }
+    }
+
+    interpreter[0] = 0;
+    extension = strrchr(progname, '.');
+
+    if (extension == NULL || strchr(extension, '/') || strchr(extension, '\\'))
+        extension = "";
+
+    /* ### how to handle APR_PROGRAM_ENV and APR_PROGRAM_PATH? */
+
+    if (attr->cmdtype == APR_SHELLCMD ||
+        attr->cmdtype == APR_SHELLCMD_ENV ||
+        strcasecmp(extension, ".cmd") == 0) {
+        strcpy(interpreter, "#!" SHELL_PATH);
+        extra_arg = "/C";
+    } else if (stricmp(extension, ".exe") != 0) {
+        status = apr_file_open(&progfile, progname, APR_READ|APR_BUFFERED, 0, pool);
+
+        if (status != APR_SUCCESS && APR_STATUS_IS_ENOENT(status)) {
+            progname = apr_pstrcat(pool, progname, ".exe", NULL);
+        }
+
+        if (status == APR_SUCCESS) {
+            status = apr_file_gets(interpreter, sizeof(interpreter), progfile);
+
+            if (status == APR_SUCCESS) {
+                if (interpreter[0] == '#' && interpreter[1] == '!') {
+                    /* delete CR/LF & any other whitespace off the end */
+                    int end = strlen(interpreter) - 1;
+
+                    while (end >= 0 && apr_isspace(interpreter[end])) {
+                        interpreter[end] = '\0';
+                        end--;
+                    }
+
+                    if (interpreter[2] != '/' && interpreter[2] != '\\' && interpreter[3] != ':') {
+                        char buffer[300];
+
+                        if (DosSearchPath(SEARCH_ENVIRONMENT, "PATH", interpreter+2, buffer, sizeof(buffer)) == 0) {
+                            strcpy(interpreter+2, buffer);
+                        } else {
+                            strcat(interpreter, ".exe");
+                            if (DosSearchPath(SEARCH_ENVIRONMENT, "PATH", interpreter+2, buffer, sizeof(buffer)) == 0) {
+                                strcpy(interpreter+2, buffer);
+                            }
+                        }
+                    }
+                } else {
+                    interpreter[0] = 0;
+                }
+            }
+
+            apr_file_close(progfile);
+        }
+    }
+
+    i = 0;
+
+    while (args && args[i]) {
+        i++;
+    }
+
+    newargs = (const char **)apr_palloc(pool, sizeof (char *) * (i + 4));
+    numargs = 0;
+
+    if (interpreter[0])
+        newargs[numargs++] = interpreter + 2;
+    if (extra_arg)
+        newargs[numargs++] = "/c";
+
+    newargs[numargs++] = newprogname = apr_pstrdup(pool, progname);
+    arg = 1;
+
+    while (args && args[arg]) {
+        newargs[numargs++] = args[arg++];
+    }
+
+    newargs[numargs] = NULL;
+
+    for (i=0; newprogname[i]; i++)
+        if (newprogname[i] == '/')
+            newprogname[i] = '\\';
+
+    cmdlen = 0;
+
+    for (i=0; i<numargs; i++)
+        cmdlen += strlen(newargs[i]) + 3;
+
+    cmdline = apr_palloc(pool, cmdlen + 2);
+    cmdline_pos = cmdline;
+
+    for (i=0; i<numargs; i++) {
+        const char *a = newargs[i];
+
+        if (strpbrk(a, "&|<>\" "))
+            a = apr_pstrcat(pool, "\"", double_quotes(pool, a), "\"", NULL);
+
+        if (i)
+            *(cmdline_pos++) = ' ';
+
+        strcpy(cmdline_pos, a);
+        cmdline_pos += strlen(cmdline_pos);
+    }
+
+    *(++cmdline_pos) = 0; /* Add required second terminator */
+    cmdline_pos = strchr(cmdline, ' ');
+
+    if (cmdline_pos) {
+        *cmdline_pos = 0;
+        cmdline_pos++;
+    }
+
+    /* Create environment block from list of envariables */
+    if (env) {
+        for (env_len=1, e=0; env[e]; e++)
+            env_len += strlen(env[e]) + 1;
+
+        env_block = apr_palloc(pool, env_len);
+        env_block_pos = env_block;
+
+        for (e=0; env[e]; e++) {
+            strcpy(env_block_pos, env[e]);
+            env_block_pos += strlen(env_block_pos) + 1;
+        }
+
+        *env_block_pos = 0; /* environment block is terminated by a double null */
+    } else
+        env_block = NULL;
+
+    status = DosExecPgm(error_object, sizeof(error_object),
+                        attr->detached ? EXEC_BACKGROUND : EXEC_ASYNCRESULT,
+                        cmdline, env_block, &rescodes, cmdline);
+
+    proc->pid = rescodes.codeTerminate;
+
+    if (attr->currdir != NULL) {
+        chdir(savedir);
+    }
+
+    if (attr->child_in) {
+        if (attr->child_in->filedes != -1) {
+            apr_file_close(attr->child_in);
+        }
+
+        dup = STDIN_FILENO;
+        DosDupHandle(save_in, &dup);
+        DosClose(save_in);
+    }
+    
+    if (attr->child_out) {
+        if  (attr->child_out->filedes != -1) {
+            apr_file_close(attr->child_out);
+        }
+
+        dup = STDOUT_FILENO;
+        DosDupHandle(save_out, &dup);
+        DosClose(save_out);
+    }
+    
+    if (attr->child_err) {
+        if (attr->child_err->filedes != -1) {
+            apr_file_close(attr->child_err);
+        }
+
+        dup = STDERR_FILENO;
+        DosDupHandle(save_err, &dup);
+        DosClose(save_err);
+    }
+
+    if (criticalsection)
+        DosExitCritSec();
+
+    return status;
+}
+
+
+
+static void proces_result_codes(RESULTCODES codes, 
+                                int *exitcode, 
+                                apr_exit_why_e *exitwhy)
+{
+    int result = 0;
+    apr_exit_why_e why = APR_PROC_EXIT;
+
+    switch (codes.codeTerminate) {
+    case TC_EXIT:        /* Normal exit */
+        why = APR_PROC_EXIT;
+        result = codes.codeResult;
+        break;
+
+    case TC_HARDERROR:   /* Hard error halt */
+        why = APR_PROC_SIGNAL;
+        result = SIGSYS;
+        break;
+
+    case TC_KILLPROCESS: /* Was killed by a DosKillProcess() */
+        why = APR_PROC_SIGNAL;
+        result = SIGKILL;
+        break;
+
+    case TC_TRAP:        /* TRAP in 16 bit code */
+    case TC_EXCEPTION:   /* Threw an exception (32 bit code) */
+        why = APR_PROC_SIGNAL;
+
+        switch (codes.codeResult | XCPT_FATAL_EXCEPTION) {
+        case XCPT_ACCESS_VIOLATION:
+            result = SIGSEGV;
+            break;
+
+        case XCPT_ILLEGAL_INSTRUCTION:
+            result = SIGILL;
+            break;
+
+        case XCPT_FLOAT_DIVIDE_BY_ZERO:
+        case XCPT_INTEGER_DIVIDE_BY_ZERO:
+            result = SIGFPE;
+            break;
+
+        default:
+            result = codes.codeResult;
+            break;
+        }
+    }
+
+    if (exitcode) {
+        *exitcode = result;
+    }
+
+    if (exitwhy) {
+        *exitwhy = why;
+    }
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow,
+                                                  apr_pool_t *p)
+{
+    RESULTCODES codes;
+    ULONG rc;
+    PID pid;
+
+    rc = DosWaitChild(DCWA_PROCESSTREE, waithow == APR_WAIT ? DCWW_WAIT : DCWW_NOWAIT, &codes, &pid, 0);
+
+    if (rc == 0) {
+        proc->pid = pid;
+        proces_result_codes(codes, exitcode, exitwhy);
+        return APR_CHILD_DONE;
+    } else if (rc == ERROR_CHILD_NOT_COMPLETE) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return APR_OS2_STATUS(rc);
+} 
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    RESULTCODES codes;
+    ULONG rc;
+    PID pid;
+    rc = DosWaitChild(DCWA_PROCESS, waithow == APR_WAIT ? DCWW_WAIT : DCWW_NOWAIT, &codes, &pid, proc->pid);
+
+    if (rc == 0) {
+        proces_result_codes(codes, exitcode, exitwhy);
+        return APR_CHILD_DONE;
+    } else if (rc == ERROR_CHILD_NOT_COMPLETE) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return APR_OS2_STATUS(rc);
+} 
+
+
+
+APR_DECLARE(apr_status_t) apr_proc_detach(int daemonize)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
+                                                const char *username,
+                                                const char *password)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/os2/signals.c b/threadproc/os2/signals.c
new file mode 100644
index 0000000..e172712
--- /dev/null
+++ b/threadproc/os2/signals.c
@@ -0,0 +1 @@
+#include "../unix/signals.c"
diff --git a/threadproc/os2/thread.c b/threadproc/os2/thread.c
new file mode 100644
index 0000000..00ec4eb
--- /dev/null
+++ b/threadproc/os2/thread.c
@@ -0,0 +1,260 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define INCL_DOSERRORS
+#define INCL_DOS
+#include "apr_arch_threadproc.h"
+#include "apr_thread_proc.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_portable.h"
+#include "apr_arch_file_io.h"
+#include <stdlib.h>
+
+APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new, apr_pool_t *pool)
+{
+    (*new) = (apr_threadattr_t *)apr_palloc(pool, sizeof(apr_threadattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->pool = pool;
+    (*new)->attr = 0;
+    (*new)->stacksize = 0;
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr, apr_int32_t on)
+{
+    attr->attr |= APR_THREADATTR_DETACHED;
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+    return (attr->attr & APR_THREADATTR_DETACHED) ? APR_DETACH : APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    attr->stacksize = stacksize;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+    return APR_ENOTIMPL;
+}
+
+static void apr_thread_begin(void *arg)
+{
+  apr_thread_t *thread = (apr_thread_t *)arg;
+  thread->exitval = thread->func(thread, thread->data);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new, apr_threadattr_t *attr, 
+                                            apr_thread_start_t func, void *data, 
+                                            apr_pool_t *pool)
+{
+    apr_status_t stat;
+    apr_thread_t *thread;
+ 
+    thread = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+    *new = thread;
+
+    if (thread == NULL) {
+        return APR_ENOMEM;
+    }
+
+    thread->attr = attr;
+    thread->func = func;
+    thread->data = data;
+    stat = apr_pool_create(&thread->pool, pool);
+    
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+
+    if (attr == NULL) {
+        stat = apr_threadattr_create(&thread->attr, thread->pool);
+        
+        if (stat != APR_SUCCESS) {
+            return stat;
+        }
+    }
+
+    thread->tid = _beginthread(apr_thread_begin, NULL, 
+                               thread->attr->stacksize > 0 ?
+                               thread->attr->stacksize : APR_THREAD_STACKSIZE,
+                               thread);
+        
+    if (thread->tid < 0) {
+        return errno;
+    }
+
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_os_thread_t) apr_os_thread_current()
+{
+    PIB *ppib;
+    TIB *ptib;
+    DosGetInfoBlocks(&ptib, &ppib);
+    return ptib->tib_ptib2->tib2_ultid;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd, apr_status_t retval)
+{
+    thd->exitval = retval;
+    _endthread();
+    return -1; /* If we get here something's wrong */
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval, apr_thread_t *thd)
+{
+    ULONG rc;
+    TID waittid = thd->tid;
+
+    if (thd->attr->attr & APR_THREADATTR_DETACHED)
+        return APR_EINVAL;
+
+    rc = DosWaitThread(&waittid, DCWW_WAIT);
+
+    if (rc == ERROR_INVALID_THREADID)
+        rc = 0; /* Thread had already terminated */
+
+    *retval = thd->exitval;
+    return APR_OS2_STATUS(rc);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
+{
+    thd->attr->attr |= APR_THREADATTR_DETACHED;
+    return APR_SUCCESS;
+}
+
+
+
+void apr_thread_yield()
+{
+    DosSleep(0);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd, apr_thread_t *thd)
+{
+    *thethd = &thd->tid;
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd, apr_os_thread_t *thethd, 
+                                            apr_pool_t *pool)
+{
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+    (*thd)->tid = *thethd;
+    return APR_SUCCESS;
+}
+
+
+
+int apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2)
+{
+    return tid1 == tid2;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key, apr_thread_t *thread)
+{
+    return apr_pool_userdata_get(data, key, thread->pool);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
+                                              apr_status_t (*cleanup) (void *),
+                                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
+
+
+
+static apr_status_t thread_once_cleanup(void *vcontrol)
+{
+    apr_thread_once_t *control = (apr_thread_once_t *)vcontrol;
+
+    if (control->sem) {
+        DosCloseEventSem(control->sem);
+    }
+
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    ULONG rc;
+    *control = (apr_thread_once_t *)apr_pcalloc(p, sizeof(apr_thread_once_t));
+    rc = DosCreateEventSem(NULL, &(*control)->sem, 0, TRUE);
+    apr_pool_cleanup_register(p, control, thread_once_cleanup, apr_pool_cleanup_null);
+    return APR_FROM_OS_ERROR(rc);
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control, 
+                                          void (*func)(void))
+{
+    if (!control->hit) {
+        ULONG count, rc;
+        rc = DosResetEventSem(control->sem, &count);
+
+        if (rc == 0 && count) {
+            control->hit = 1;
+            func();
+        }
+    }
+
+    return APR_SUCCESS;
+}
diff --git a/threadproc/os2/threadpriv.c b/threadproc/os2/threadpriv.c
new file mode 100644
index 0000000..107ec10
--- /dev/null
+++ b/threadproc/os2/threadpriv.c
@@ -0,0 +1,88 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_thread_proc.h"
+#include "apr_portable.h"
+#include "apr_general.h"
+#include "apr_errno.h"
+#include "apr_lib.h"
+#include "apr_arch_file_io.h"
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
+                                                       void (*dest)(void *), 
+                                                       apr_pool_t *pool)
+{
+    (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+
+    if ((*key) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*key)->pool = pool;
+    return APR_OS2_STATUS(DosAllocThreadLocalMemory(1, &((*key)->key)));
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new, apr_threadkey_t *key)
+{
+    (*new) = (void *)*(key->key);
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv, apr_threadkey_t *key)
+{
+    *(key->key) = (ULONG)priv;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
+{
+    return APR_OS2_STATUS(DosFreeThreadLocalMemory(key->key));
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
+                                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_get(data, key, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
+                                                 apr_status_t (*cleanup) (void *),
+                                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey, apr_threadkey_t *key)
+{
+    *thekey = key->key;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key, 
+                                               apr_os_threadkey_t *thekey, 
+                                               apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*key) == NULL) {
+        (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
+        (*key)->pool = pool;
+    }
+    (*key)->key = *thekey;
+    return APR_SUCCESS;
+}           
diff --git a/threadproc/unix/proc.c b/threadproc/unix/proc.c
new file mode 100644
index 0000000..004772f
--- /dev/null
+++ b/threadproc/unix/proc.c
@@ -0,0 +1,739 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_signal.h"
+#include "apr_random.h"
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, -1, };
+
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,
+                                              apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+    (*new)->pool = pool;
+    (*new)->cmdtype = APR_PROGRAM;
+    (*new)->uid = (*new)->gid = -1;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in,
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t rv;
+
+    if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                          in, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (in == APR_NO_FILE)
+        attr->child_in = &no_file;
+
+    if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                          out, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (out == APR_NO_FILE)
+        attr->child_out = &no_file;
+
+    if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
+        if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                          err, attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+        if (rv != APR_SUCCESS)
+            return rv;
+    }
+    else if (err == APR_NO_FILE)
+        attr->child_err = &no_file;
+
+    return APR_SUCCESS;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr,
+                                                    apr_file_t *child_in,
+                                                    apr_file_t *parent_in)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_in == NULL && attr->parent_in == NULL
+           && child_in == NULL && parent_in == NULL)
+        if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_in);
+
+    if (child_in != NULL && rv == APR_SUCCESS) {
+        if (attr->child_in && (attr->child_in->filedes != -1))
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+        else {
+            attr->child_in = NULL;
+            if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_in);
+        }
+    }
+
+    if (parent_in != NULL && rv == APR_SUCCESS) {
+        if (attr->parent_in)
+            rv = apr_file_dup2(attr->parent_in, parent_in, attr->pool);
+        else
+            rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr,
+                                                     apr_file_t *child_out,
+                                                     apr_file_t *parent_out)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_out == NULL && attr->parent_out == NULL
+           && child_out == NULL && parent_out == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
+                                       attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_out);
+
+    if (child_out != NULL && rv == APR_SUCCESS) {
+        if (attr->child_out && (attr->child_out->filedes != -1))
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+        else {
+            attr->child_out = NULL;
+            if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_out);
+        }
+    }
+
+    if (parent_out != NULL && rv == APR_SUCCESS) {
+        if (attr->parent_out)
+            rv = apr_file_dup2(attr->parent_out, parent_out, attr->pool);
+        else
+            rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr,
+                                                     apr_file_t *child_err,
+                                                     apr_file_t *parent_err)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (attr->child_err == NULL && attr->parent_err == NULL
+           && child_err == NULL && parent_err == NULL)
+        if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
+                                      attr->pool)) == APR_SUCCESS)
+            rv = apr_file_inherit_unset(attr->parent_err);
+
+    if (child_err != NULL && rv == APR_SUCCESS) {
+        if (attr->child_err && (attr->child_err->filedes != -1))
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+        else {
+            attr->child_err = NULL;
+            if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
+                    == APR_SUCCESS)
+                rv = apr_file_inherit_set(attr->child_err);
+        }
+    }
+    if (parent_err != NULL && rv == APR_SUCCESS) {
+        if (attr->parent_err)
+            rv = apr_file_dup2(attr->parent_err, parent_err, attr->pool);
+        else
+            rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+    }
+
+    return rv;
+}
+
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
+                                               const char *dir)
+{
+    attr->currdir = apr_pstrdup(attr->pool, dir);
+    if (attr->currdir) {
+        return APR_SUCCESS;
+    }
+
+    return APR_ENOMEM;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                                   apr_cmdtype_e cmd)
+{
+    attr->cmdtype = cmd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr,
+                                                  apr_int32_t detach)
+{
+    attr->detached = detach;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
+{
+    int pid;
+    
+    memset(proc, 0, sizeof(apr_proc_t));
+
+    if ((pid = fork()) < 0) {
+        return errno;
+    }
+    else if (pid == 0) {
+        proc->pid = getpid();
+
+        apr_random_after_fork(proc);
+
+        return APR_INCHILD;
+    }
+
+    proc->pid = pid;
+
+    return APR_INPARENT;
+}
+
+static apr_status_t limit_proc(apr_procattr_t *attr)
+{
+#if APR_HAVE_STRUCT_RLIMIT && APR_HAVE_SETRLIMIT
+#ifdef RLIMIT_CPU
+    if (attr->limit_cpu != NULL) {
+        if ((setrlimit(RLIMIT_CPU, attr->limit_cpu)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#ifdef RLIMIT_NPROC
+    if (attr->limit_nproc != NULL) {
+        if ((setrlimit(RLIMIT_NPROC, attr->limit_nproc)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#ifdef RLIMIT_NOFILE
+    if (attr->limit_nofile != NULL) {
+        if ((setrlimit(RLIMIT_NOFILE, attr->limit_nofile)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#if defined(RLIMIT_AS)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_AS, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#elif defined(RLIMIT_DATA)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_DATA, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#elif defined(RLIMIT_VMEM)
+    if (attr->limit_mem != NULL) {
+        if ((setrlimit(RLIMIT_VMEM, attr->limit_mem)) != 0) {
+            return errno;
+        }
+    }
+#endif
+#else
+    /*
+     * Maybe make a note in error_log that setrlimit isn't supported??
+     */
+
+#endif
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    attr->errfn = errfn;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    attr->errchk = chk;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr,
+                                                const char *username,
+                                                const char *password)
+{
+    apr_status_t rv;
+    apr_gid_t    gid;
+
+    if ((rv = apr_uid_get(&attr->uid, &gid, username,
+                          attr->pool)) != APR_SUCCESS) {
+        attr->uid = -1;
+        return rv;
+    }
+    
+    /* Use default user group if not already set */
+    if (attr->gid == -1) {
+        attr->gid = gid;
+    }
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    apr_status_t rv;
+
+    if ((rv = apr_gid_get(&attr->gid, groupname, attr->pool)) != APR_SUCCESS)
+        attr->gid = -1;
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *new,
+                                          const char *progname,
+                                          const char * const *args,
+                                          const char * const *env,
+                                          apr_procattr_t *attr,
+                                          apr_pool_t *pool)
+{
+    int i;
+    const char * const empty_envp[] = {NULL};
+
+    if (!env) { /* Specs require an empty array instead of NULL;
+                 * Purify will trigger a failure, even if many
+                 * implementations don't.
+                 */
+        env = empty_envp;
+    }
+
+    new->in = attr->parent_in;
+    new->err = attr->parent_err;
+    new->out = attr->parent_out;
+
+    if (attr->errchk) {
+        if (attr->currdir) {
+            if (access(attr->currdir, X_OK) == -1) {
+                /* chdir() in child wouldn't have worked */
+                return errno;
+            }
+        }
+
+        if (attr->cmdtype == APR_PROGRAM ||
+            attr->cmdtype == APR_PROGRAM_ENV ||
+            *progname == '/') {
+            /* for both of these values of cmdtype, caller must pass
+             * full path, so it is easy to check;
+             * caller can choose to pass full path for other
+             * values of cmdtype
+             */
+            if (access(progname, X_OK) == -1) {
+                /* exec*() in child wouldn't have worked */
+                return errno;
+            }
+        }
+        else {
+            /* todo: search PATH for progname then try to access it */
+        }
+    }
+
+    if ((new->pid = fork()) < 0) {
+        return errno;
+    }
+    else if (new->pid == 0) {
+        /* child process */
+
+        /*
+         * If we do exec cleanup before the dup2() calls to set up pipes
+         * on 0-2, we accidentally close the pipes used by programs like
+         * mod_cgid.
+         *
+         * If we do exec cleanup after the dup2() calls, cleanup can accidentally
+         * close our pipes which replaced any files which previously had
+         * descriptors 0-2.
+         *
+         * The solution is to kill the cleanup for the pipes, then do
+         * exec cleanup, then do the dup2() calls.
+         */
+
+        if (attr->child_in) {
+            apr_pool_cleanup_kill(apr_file_pool_get(attr->child_in),
+                                  attr->child_in, apr_unix_file_cleanup);
+        }
+
+        if (attr->child_out) {
+            apr_pool_cleanup_kill(apr_file_pool_get(attr->child_out),
+                                  attr->child_out, apr_unix_file_cleanup);
+        }
+
+        if (attr->child_err) {
+            apr_pool_cleanup_kill(apr_file_pool_get(attr->child_err),
+                                  attr->child_err, apr_unix_file_cleanup);
+        }
+
+        apr_pool_cleanup_for_exec();
+
+        if ((attr->child_in) && (attr->child_in->filedes == -1)) {
+            close(STDIN_FILENO);
+        }
+        else if (attr->child_in &&
+                 attr->child_in->filedes != STDIN_FILENO) {
+            dup2(attr->child_in->filedes, STDIN_FILENO);
+            apr_file_close(attr->child_in);
+        }
+
+        if ((attr->child_out) && (attr->child_out->filedes == -1)) {
+            close(STDOUT_FILENO);
+        }
+        else if (attr->child_out &&
+                 attr->child_out->filedes != STDOUT_FILENO) {
+            dup2(attr->child_out->filedes, STDOUT_FILENO);
+            apr_file_close(attr->child_out);
+        }
+
+        if ((attr->child_err) && (attr->child_err->filedes == -1)) {
+            close(STDERR_FILENO);
+        }
+        else if (attr->child_err &&
+                 attr->child_err->filedes != STDERR_FILENO) {
+            dup2(attr->child_err->filedes, STDERR_FILENO);
+            apr_file_close(attr->child_err);
+        }
+
+        apr_signal(SIGCHLD, SIG_DFL); /* not sure if this is needed or not */
+
+        if (attr->currdir != NULL) {
+            if (chdir(attr->currdir) == -1) {
+                if (attr->errfn) {
+                    attr->errfn(pool, errno, "change of working directory failed");
+                }
+                _exit(-1);   /* We have big problems, the child should exit. */
+            }
+        }
+        if (!geteuid()) {
+            apr_procattr_pscb_t *c = attr->perms_set_callbacks;
+
+            while (c) {
+                apr_status_t r;
+                r = (*c->perms_set_fn)((void *)c->data, c->perms,
+                                       attr->uid, attr->gid);
+                if (r != APR_SUCCESS && r != APR_ENOTIMPL) {
+                    _exit(-1);
+                }
+                c = c->next;
+            }
+        }
+        /* Only try to switch if we are running as root */
+        if (attr->gid != -1 && !geteuid()) {
+            if (setgid(attr->gid)) {
+                if (attr->errfn) {
+                    attr->errfn(pool, errno, "setting of group failed");
+                }
+                _exit(-1);   /* We have big problems, the child should exit. */
+            }
+        }
+
+        if (attr->uid != -1 && !geteuid()) {
+            if (setuid(attr->uid)) {
+                if (attr->errfn) {
+                    attr->errfn(pool, errno, "setting of user failed");
+                }
+                _exit(-1);   /* We have big problems, the child should exit. */
+            }
+        }
+
+        if (limit_proc(attr) != APR_SUCCESS) {
+            if (attr->errfn) {
+                attr->errfn(pool, errno, "setting of resource limits failed");
+            }
+            _exit(-1);   /* We have big problems, the child should exit. */
+        }
+
+        if (attr->cmdtype == APR_SHELLCMD ||
+            attr->cmdtype == APR_SHELLCMD_ENV) {
+            int onearg_len = 0;
+            const char *newargs[4];
+
+            newargs[0] = SHELL_PATH;
+            newargs[1] = "-c";
+
+            i = 0;
+            while (args[i]) {
+                onearg_len += strlen(args[i]);
+                onearg_len++; /* for space delimiter */
+                i++;
+            }
+
+            switch(i) {
+            case 0:
+                /* bad parameters; we're doomed */
+                break;
+            case 1:
+                /* no args, or caller already built a single string from
+                 * progname and args
+                 */
+                newargs[2] = args[0];
+                break;
+            default:
+            {
+                char *ch, *onearg;
+                
+                ch = onearg = apr_palloc(pool, onearg_len);
+                i = 0;
+                while (args[i]) {
+                    size_t len = strlen(args[i]);
+
+                    memcpy(ch, args[i], len);
+                    ch += len;
+                    *ch = ' ';
+                    ++ch;
+                    ++i;
+                }
+                --ch; /* back up to trailing blank */
+                *ch = '\0';
+                newargs[2] = onearg;
+            }
+            }
+
+            newargs[3] = NULL;
+
+            if (attr->detached) {
+                apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
+            }
+
+            if (attr->cmdtype == APR_SHELLCMD) {
+                execve(SHELL_PATH, (char * const *) newargs, (char * const *)env);
+            }
+            else {
+                execv(SHELL_PATH, (char * const *)newargs);
+            }
+        }
+        else if (attr->cmdtype == APR_PROGRAM) {
+            if (attr->detached) {
+                apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
+            }
+
+            execve(progname, (char * const *)args, (char * const *)env);
+        }
+        else if (attr->cmdtype == APR_PROGRAM_ENV) {
+            if (attr->detached) {
+                apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
+            }
+
+            execv(progname, (char * const *)args);
+        }
+        else {
+            /* APR_PROGRAM_PATH */
+            if (attr->detached) {
+                apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
+            }
+
+            execvp(progname, (char * const *)args);
+        }
+        if (attr->errfn) {
+            char *desc;
+
+            desc = apr_psprintf(pool, "exec of '%s' failed",
+                                progname);
+            attr->errfn(pool, errno, desc);
+        }
+
+        _exit(-1);  /* if we get here, there is a problem, so exit with an
+                     * error code. */
+    }
+
+    /* Parent process */
+    if (attr->child_in && (attr->child_in->filedes != -1)) {
+        apr_file_close(attr->child_in);
+    }
+
+    if (attr->child_out && (attr->child_out->filedes != -1)) {
+        apr_file_close(attr->child_out);
+    }
+
+    if (attr->child_err && (attr->child_err->filedes != -1)) {
+        apr_file_close(attr->child_err);
+    }
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow,
+                                                  apr_pool_t *p)
+{
+    proc->pid = -1;
+    return apr_proc_wait(proc, exitcode, exitwhy, waithow);
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    pid_t pstatus;
+    int waitpid_options = WUNTRACED;
+    int exit_int;
+    int ignore;
+    apr_exit_why_e ignorewhy;
+
+    if (exitcode == NULL) {
+        exitcode = &ignore;
+    }
+
+    if (exitwhy == NULL) {
+        exitwhy = &ignorewhy;
+    }
+
+    if (waithow != APR_WAIT) {
+        waitpid_options |= WNOHANG;
+    }
+
+    do {
+        pstatus = waitpid(proc->pid, &exit_int, waitpid_options);
+    } while (pstatus < 0 && errno == EINTR);
+
+    if (pstatus > 0) {
+        proc->pid = pstatus;
+
+        if (WIFEXITED(exit_int)) {
+            *exitwhy = APR_PROC_EXIT;
+            *exitcode = WEXITSTATUS(exit_int);
+        }
+        else if (WIFSIGNALED(exit_int)) {
+            *exitwhy = APR_PROC_SIGNAL;
+
+#ifdef WCOREDUMP
+            if (WCOREDUMP(exit_int)) {
+                *exitwhy |= APR_PROC_SIGNAL_CORE;
+            }
+#endif
+
+            *exitcode = WTERMSIG(exit_int);
+        }
+        else {
+            /* unexpected condition */
+            return APR_EGENERAL;
+        }
+
+        return APR_CHILD_DONE;
+    }
+    else if (pstatus == 0) {
+        return APR_CHILD_NOTDONE;
+    }
+
+    return errno;
+}
+
+#if APR_HAVE_STRUCT_RLIMIT
+APR_DECLARE(apr_status_t) apr_procattr_limit_set(apr_procattr_t *attr,
+                                                 apr_int32_t what,
+                                                 struct rlimit *limit)
+{
+    switch(what) {
+        case APR_LIMIT_CPU:
+#ifdef RLIMIT_CPU
+            attr->limit_cpu = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_MEM:
+#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
+            attr->limit_mem = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_NPROC:
+#ifdef RLIMIT_NPROC
+            attr->limit_nproc = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+        case APR_LIMIT_NOFILE:
+#ifdef RLIMIT_NOFILE
+            attr->limit_nofile = limit;
+            break;
+#else
+            return APR_ENOTIMPL;
+#endif
+
+    }
+
+    return APR_SUCCESS;
+}
+#endif /* APR_HAVE_STRUCT_RLIMIT */
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    apr_procattr_pscb_t *c;
+
+    c = apr_palloc(attr->pool, sizeof(apr_procattr_pscb_t));
+    c->data = data;
+    c->perms = perms;
+    c->perms_set_fn = perms_set_fn;
+    c->next = attr->perms_set_callbacks;
+    attr->perms_set_callbacks = c;
+
+    return APR_SUCCESS;
+}
diff --git a/threadproc/unix/procsup.c b/threadproc/unix/procsup.c
new file mode 100644
index 0000000..94177f9
--- /dev/null
+++ b/threadproc/unix/procsup.c
@@ -0,0 +1,104 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+
+APR_DECLARE(apr_status_t) apr_proc_detach(int daemonize)
+{
+    if (chdir("/") == -1) {
+        return errno;
+    }
+
+#if !defined(MPE) && !defined(OS2) && !defined(TPF) && !defined(BEOS)
+    /* Don't detach for MPE because child processes can't survive the death of
+     * the parent. */
+    if (daemonize) {
+        int x;
+
+        if ((x = fork()) > 0) {
+            exit(0);
+        }
+        else if (x == -1) {
+            perror("fork");
+            fprintf(stderr, "unable to fork new process\n");
+            exit(1);  /* we can't do anything here, so just exit. */
+        }
+        /* RAISE_SIGSTOP(DETACH); */
+    }
+#endif
+
+#ifdef HAVE_SETSID
+    /* A setsid() failure is not fatal if we didn't just fork().
+     * The calling process may be the process group leader, in
+     * which case setsid() will fail with EPERM.
+     */
+    if (setsid() == -1 && daemonize) {
+        return errno;
+    }
+#elif defined(NEXT) || defined(NEWSOS)
+    if (setpgrp(0, getpid()) == -1) {
+        return errno;
+    }
+#elif defined(OS2) || defined(TPF) || defined(MPE)
+    /* do nothing */
+#else
+    if (setpgid(0, 0) == -1) {
+        return errno;
+    }
+#endif
+
+    /* close out the standard file descriptors */
+    if (freopen("/dev/null", "r", stdin) == NULL) {
+        return errno;
+        /* continue anyhow -- note we can't close out descriptor 0 because we
+         * have nothing to replace it with, and if we didn't have a descriptor
+         * 0 the next file would be created with that value ... leading to
+         * havoc.
+         */
+    }
+    if (freopen("/dev/null", "w", stdout) == NULL) {
+        return errno;
+    }
+     /* We are going to reopen this again in a little while to the error
+      * log file, but better to do it twice and suffer a small performance
+      * hit for consistancy than not reopen it here.
+      */
+    if (freopen("/dev/null", "w", stderr) == NULL) {
+        return errno;
+    }
+    return APR_SUCCESS;
+}
+
+#if (!HAVE_WAITPID)
+/* From ikluft@amdahl.com
+ * this is not ideal but it works for SVR3 variants
+ * Modified by dwd@bell-labs.com to call wait3 instead of wait because
+ *   apache started to use the WNOHANG option.
+ */
+int waitpid(pid_t pid, int *statusp, int options)
+{
+    int tmp_pid;
+    if (kill(pid, 0) == -1) {
+        errno = ECHILD;
+        return -1;
+    }
+    while (((tmp_pid = wait3(statusp, options, 0)) != pid) &&
+                (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
+        ;
+    return tmp_pid;
+}
+#endif
+
diff --git a/threadproc/unix/signals.c b/threadproc/unix/signals.c
new file mode 100644
index 0000000..c735eab
--- /dev/null
+++ b/threadproc/unix/signals.c
@@ -0,0 +1,481 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define INCL_DOSEXCEPTIONS      /* for OS2 */
+#include "apr_arch_threadproc.h"
+#include "apr_private.h"
+#include "apr_pools.h"
+#include "apr_signal.h"
+#include "apr_strings.h"
+
+#include <assert.h>
+#if APR_HAS_THREADS && APR_HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+#ifdef SIGWAIT_TAKES_ONE_ARG
+#define apr_sigwait(a,b) ((*(b)=sigwait((a)))<0?-1:0)
+#else
+#define apr_sigwait(a,b) sigwait((a),(b))
+#endif
+
+APR_DECLARE(apr_status_t) apr_proc_kill(apr_proc_t *proc, int signum)
+{
+#ifdef OS2
+    /* SIGTERM's don't work too well in OS/2 (only affects other EMX
+     * programs). CGIs may not be, esp. REXX scripts, so use a native
+     * call instead
+     */
+    if (signum == SIGTERM) {
+        return APR_OS2_STATUS(DosSendSignalException(proc->pid,
+                                                     XCPT_SIGNAL_BREAK));
+    }
+#endif /* OS2 */
+
+    if (kill(proc->pid, signum) == -1) {
+        return errno;
+    }
+
+    return APR_SUCCESS;
+}
+
+
+#if APR_HAVE_SIGACTION
+
+#if defined(__NetBSD__) || defined(DARWIN)
+static void avoid_zombies(int signo)
+{
+    int exit_status;
+
+    while (waitpid(-1, &exit_status, WNOHANG) > 0) {
+        /* do nothing */
+    }
+}
+#endif /* DARWIN */
+
+/*
+ * Replace standard signal() with the more reliable sigaction equivalent
+ * from W. Richard Stevens' "Advanced Programming in the UNIX Environment"
+ * (the version that does not automatically restart system calls).
+ */
+APR_DECLARE(apr_sigfunc_t *) apr_signal(int signo, apr_sigfunc_t * func)
+{
+    struct sigaction act, oact;
+
+    act.sa_handler = func;
+    sigemptyset(&act.sa_mask);
+    act.sa_flags = 0;
+#ifdef SA_INTERRUPT             /* SunOS */
+    act.sa_flags |= SA_INTERRUPT;
+#endif
+#if defined(__osf__) && defined(__alpha)
+    /* XXX jeff thinks this should be enabled whenever SA_NOCLDWAIT is defined */
+
+    /* this is required on Tru64 to cause child processes to
+     * disappear gracefully - XPG4 compatible 
+     */
+    if ((signo == SIGCHLD) && (func == SIG_IGN)) {
+        act.sa_flags |= SA_NOCLDWAIT;
+    }
+#endif
+#if defined(__NetBSD__) || defined(DARWIN)
+    /* ignoring SIGCHLD or leaving the default disposition doesn't avoid zombies,
+     * and there is no SA_NOCLDWAIT flag, so catch the signal and reap status in 
+     * the handler to avoid zombies
+     */
+    if ((signo == SIGCHLD) && (func == SIG_IGN)) {
+        act.sa_handler = avoid_zombies;
+    }
+#endif
+    if (sigaction(signo, &act, &oact) < 0)
+        return SIG_ERR;
+    return oact.sa_handler;
+}
+
+#endif /* HAVE_SIGACTION */
+
+/* AC_DECL_SYS_SIGLIST defines either of these symbols depending
+ * on the version of autoconf used. */
+#if defined(SYS_SIGLIST_DECLARED) || HAVE_DECL_SYS_SIGLIST
+
+void apr_signal_init(apr_pool_t *pglobal)
+{
+}
+const char *apr_signal_description_get(int signum)
+{
+    return (signum >= 0) ? sys_siglist[signum] : "unknown signal (number)";
+}
+
+#else /* !(SYS_SIGLIST_DECLARED || HAVE_DECL_SYS_SIGLIST) */
+
+/* we need to roll our own signal description stuff */
+
+#if defined(NSIG)
+#define APR_NUMSIG NSIG
+#elif defined(_NSIG)
+#define APR_NUMSIG _NSIG
+#elif defined(__NSIG)
+#define APR_NUMSIG __NSIG
+#else
+#define APR_NUMSIG 33   /* breaks on OS/390 with < 33; 32 is o.k. for most */
+#endif
+
+static const char *signal_description[APR_NUMSIG];
+
+#define store_desc(index, string) \
+        do { \
+            if (index >= APR_NUMSIG) { \
+                assert(index < APR_NUMSIG); \
+            } \
+            else { \
+                signal_description[index] = string; \
+            } \
+        } while (0)
+
+void apr_signal_init(apr_pool_t *pglobal)
+{
+    int sig;
+
+    store_desc(0, "Signal 0");
+
+#ifdef SIGHUP
+    store_desc(SIGHUP, "Hangup");
+#endif
+#ifdef SIGINT
+    store_desc(SIGINT, "Interrupt");
+#endif
+#ifdef SIGQUIT
+    store_desc(SIGQUIT, "Quit");
+#endif
+#ifdef SIGILL
+    store_desc(SIGILL, "Illegal instruction");
+#endif
+#ifdef SIGTRAP
+    store_desc(SIGTRAP, "Trace/BPT trap");
+#endif
+#ifdef SIGIOT
+    store_desc(SIGIOT, "IOT instruction");
+#endif
+#ifdef SIGABRT
+    store_desc(SIGABRT, "Abort");
+#endif
+#ifdef SIGEMT
+    store_desc(SIGEMT, "Emulator trap");
+#endif
+#ifdef SIGFPE
+    store_desc(SIGFPE, "Arithmetic exception");
+#endif
+#ifdef SIGKILL
+    store_desc(SIGKILL, "Killed");
+#endif
+#ifdef SIGBUS
+    store_desc(SIGBUS, "Bus error");
+#endif
+#ifdef SIGSEGV
+    store_desc(SIGSEGV, "Segmentation fault");
+#endif
+#ifdef SIGSYS
+    store_desc(SIGSYS, "Bad system call");
+#endif
+#ifdef SIGPIPE
+    store_desc(SIGPIPE, "Broken pipe");
+#endif
+#ifdef SIGALRM
+    store_desc(SIGALRM, "Alarm clock");
+#endif
+#ifdef SIGTERM
+    store_desc(SIGTERM, "Terminated");
+#endif
+#ifdef SIGUSR1
+    store_desc(SIGUSR1, "User defined signal 1");
+#endif
+#ifdef SIGUSR2
+    store_desc(SIGUSR2, "User defined signal 2");
+#endif
+#ifdef SIGCLD
+    store_desc(SIGCLD, "Child status change");
+#endif
+#ifdef SIGCHLD
+    store_desc(SIGCHLD, "Child status change");
+#endif
+#ifdef SIGPWR
+    store_desc(SIGPWR, "Power-fail restart");
+#endif
+#ifdef SIGWINCH
+    store_desc(SIGWINCH, "Window changed");
+#endif
+#ifdef SIGURG
+    store_desc(SIGURG, "urgent socket condition");
+#endif
+#ifdef SIGPOLL
+    store_desc(SIGPOLL, "Pollable event occurred");
+#endif
+#ifdef SIGIO
+    store_desc(SIGIO, "socket I/O possible");
+#endif
+#ifdef SIGSTOP
+    store_desc(SIGSTOP, "Stopped (signal)");
+#endif
+#ifdef SIGTSTP
+    store_desc(SIGTSTP, "Stopped");
+#endif
+#ifdef SIGCONT
+    store_desc(SIGCONT, "Continued");
+#endif
+#ifdef SIGTTIN
+    store_desc(SIGTTIN, "Stopped (tty input)");
+#endif
+#ifdef SIGTTOU
+    store_desc(SIGTTOU, "Stopped (tty output)");
+#endif
+#ifdef SIGVTALRM
+    store_desc(SIGVTALRM, "virtual timer expired");
+#endif
+#ifdef SIGPROF
+    store_desc(SIGPROF, "profiling timer expired");
+#endif
+#ifdef SIGXCPU
+    store_desc(SIGXCPU, "exceeded cpu limit");
+#endif
+#ifdef SIGXFSZ
+    store_desc(SIGXFSZ, "exceeded file size limit");
+#endif
+
+    for (sig = 0; sig < APR_NUMSIG; ++sig)
+        if (signal_description[sig] == NULL)
+            signal_description[sig] = apr_psprintf(pglobal, "signal #%d", sig);
+}
+
+const char *apr_signal_description_get(int signum)
+{
+    return
+        (signum >= 0 && signum < APR_NUMSIG)
+        ? signal_description[signum]
+        : "unknown signal (number)";
+}
+
+#endif /* SYS_SIGLIST_DECLARED || HAVE_DECL_SYS_SIGLIST */
+
+#if APR_HAS_THREADS && (HAVE_SIGSUSPEND || APR_HAVE_SIGWAIT) && !defined(OS2)
+
+static void remove_sync_sigs(sigset_t *sig_mask)
+{
+#ifdef SIGABRT
+    sigdelset(sig_mask, SIGABRT);
+#endif
+#ifdef SIGBUS
+    sigdelset(sig_mask, SIGBUS);
+#endif
+#ifdef SIGEMT
+    sigdelset(sig_mask, SIGEMT);
+#endif
+#ifdef SIGFPE
+    sigdelset(sig_mask, SIGFPE);
+#endif
+#ifdef SIGILL
+    sigdelset(sig_mask, SIGILL);
+#endif
+#ifdef SIGIOT
+    sigdelset(sig_mask, SIGIOT);
+#endif
+#ifdef SIGPIPE
+    sigdelset(sig_mask, SIGPIPE);
+#endif
+#ifdef SIGSEGV
+    sigdelset(sig_mask, SIGSEGV);
+#endif
+#ifdef SIGSYS
+    sigdelset(sig_mask, SIGSYS);
+#endif
+#ifdef SIGTRAP
+    sigdelset(sig_mask, SIGTRAP);
+#endif
+
+/* the rest of the signals removed from the mask in this function
+ * absolutely must be removed; you cannot block synchronous signals
+ * (requirement of pthreads API)
+ */
+}
+
+APR_DECLARE(apr_status_t) apr_signal_thread(int(*signal_handler)(int signum))
+{
+    sigset_t sig_mask;
+#if APR_HAVE_SIGWAIT
+    int (*sig_func)(int signum) = (int (*)(int))signal_handler;
+#endif
+
+    /* This thread will be the one responsible for handling signals */
+    sigfillset(&sig_mask);
+
+    /* On certain platforms, sigwait() returns EINVAL if any of various
+     * unblockable signals are included in the mask.  This was first 
+     * observed on AIX and Tru64.
+     */
+#ifdef SIGKILL
+    sigdelset(&sig_mask, SIGKILL);
+#endif
+#ifdef SIGSTOP
+    sigdelset(&sig_mask, SIGSTOP);
+#endif
+#ifdef SIGCONT
+    sigdelset(&sig_mask, SIGCONT);
+#endif
+#ifdef SIGWAITING
+    sigdelset(&sig_mask, SIGWAITING);
+#endif
+
+    /* no synchronous signals should be in the mask passed to sigwait() */
+    remove_sync_sigs(&sig_mask);
+
+    /* On AIX (4.3.3, at least), sigwait() won't wake up if the high-
+     * order bit of the second word of flags is turned on.  sigdelset()
+     * returns an error when trying to turn this off, so we'll turn it
+     * off manually.
+     *
+     * Note that the private fields differ between 32-bit and 64-bit
+     * and even between _ALL_SOURCE and !_ALL_SOURCE.  Except that on
+     * AIX 4.3 32-bit builds and 64-bit builds use the same definition.
+     *
+     * Applicable AIX fixes such that this is no longer needed:
+     *
+     * APAR IY23096 for AIX 51B, fix included in AIX 51C, and
+     * APAR IY24162 for 43X.
+     */
+#if defined(_AIX)
+#if defined(__64BIT__) && defined(_AIXVERSION_510)
+#ifdef _ALL_SOURCE
+        sig_mask.ss_set[3] &= 0x7FFFFFFF;
+#else /* not _ALL_SOURCE */
+        sig_mask.__ss_set[3] &= 0x7FFFFFFF;
+#endif
+#else /* not 64-bit build, or 64-bit build on 4.3 */
+#ifdef _ALL_SOURCE
+        sig_mask.hisigs &= 0x7FFFFFFF;
+#else /* not _ALL_SOURCE */
+        sig_mask.__hisigs &= 0x7FFFFFFF;
+#endif
+#endif
+#endif /* _AIX */
+
+    while (1) {
+#if APR_HAVE_SIGWAIT
+        int signal_received;
+
+        if (apr_sigwait(&sig_mask, &signal_received) != 0)
+        {
+            /* handle sigwait() error here */
+        }
+        
+        if (sig_func(signal_received) == 1) {
+            return APR_SUCCESS;
+        }
+#elif HAVE_SIGSUSPEND
+	sigsuspend(&sig_mask);
+#else
+#error No apr_sigwait() and no sigsuspend()
+#endif
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_setup_signal_thread(void)
+{
+    sigset_t sig_mask;
+    int rv;
+
+    /* All threads should mask out signals to be handled by
+     * the thread doing sigwait().
+     *
+     * No thread should ever block synchronous signals.
+     * See the Solaris man page for pthread_sigmask() for
+     * some information.  Solaris chooses to knock out such
+     * processes when a blocked synchronous signal is 
+     * delivered, skipping any registered signal handler.
+     * AIX doesn't call a signal handler either.  At least
+     * one level of linux+glibc does call the handler even
+     * when the synchronous signal is blocked.
+     */
+    sigfillset(&sig_mask);
+    remove_sync_sigs(&sig_mask);
+
+#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
+    if ((rv = sigprocmask(SIG_SETMASK, &sig_mask, NULL)) != 0) {
+        rv = errno;
+    }
+#else
+    if ((rv = pthread_sigmask(SIG_SETMASK, &sig_mask, NULL)) != 0) {
+#ifdef HAVE_ZOS_PTHREADS
+        rv = errno;
+#endif
+    }
+#endif
+    return rv;
+}
+
+#endif /* APR_HAS_THREADS && ... */
+
+APR_DECLARE(apr_status_t) apr_signal_block(int signum)
+{
+#if APR_HAVE_SIGACTION
+    sigset_t sig_mask;
+    int rv;
+
+    sigemptyset(&sig_mask);
+
+    sigaddset(&sig_mask, signum);
+
+#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
+    if ((rv = sigprocmask(SIG_BLOCK, &sig_mask, NULL)) != 0) {
+        rv = errno;
+    }
+#else
+    if ((rv = pthread_sigmask(SIG_BLOCK, &sig_mask, NULL)) != 0) {
+#ifdef HAVE_ZOS_PTHREADS
+        rv = errno;
+#endif
+    }
+#endif
+    return rv;
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_signal_unblock(int signum)
+{
+#if APR_HAVE_SIGACTION
+    sigset_t sig_mask;
+    int rv;
+
+    sigemptyset(&sig_mask);
+
+    sigaddset(&sig_mask, signum);
+
+#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
+    if ((rv = sigprocmask(SIG_UNBLOCK, &sig_mask, NULL)) != 0) {
+        rv = errno;
+    }
+#else
+    if ((rv = pthread_sigmask(SIG_UNBLOCK, &sig_mask, NULL)) != 0) {
+#ifdef HAVE_ZOS_PTHREADS
+        rv = errno;
+#endif
+    }
+#endif
+    return rv;
+#else
+    return APR_ENOTIMPL;
+#endif
+}
diff --git a/threadproc/unix/thread.c b/threadproc/unix/thread.c
new file mode 100644
index 0000000..6d060be
--- /dev/null
+++ b/threadproc/unix/thread.c
@@ -0,0 +1,334 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_portable.h"
+#include "apr_arch_threadproc.h"
+
+#if APR_HAS_THREADS
+
+#if APR_HAVE_PTHREAD_H
+
+/* Destroy the threadattr object */
+static apr_status_t threadattr_cleanup(void *data)
+{
+    apr_threadattr_t *attr = data;
+    apr_status_t rv;
+
+    rv = pthread_attr_destroy(&attr->attr);
+#ifdef HAVE_ZOS_PTHREADS
+    if (rv) {
+        rv = errno;
+    }
+#endif
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new,
+                                                apr_pool_t *pool)
+{
+    apr_status_t stat;
+
+    (*new) = apr_palloc(pool, sizeof(apr_threadattr_t));
+    (*new)->pool = pool;
+    stat = pthread_attr_init(&(*new)->attr);
+
+    if (stat == 0) {
+        apr_pool_cleanup_register(pool, *new, threadattr_cleanup,
+                                  apr_pool_cleanup_null);
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    stat = errno;
+#endif
+
+    return stat;
+}
+
+#if defined(PTHREAD_CREATE_DETACHED)
+#define DETACH_ARG(v) ((v) ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE)
+#else
+#define DETACH_ARG(v) ((v) ? 1 : 0)
+#endif
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr,
+                                                    apr_int32_t on)
+{
+    apr_status_t stat;
+#ifdef HAVE_ZOS_PTHREADS
+    int arg = DETACH_ARG(on);
+
+    if ((stat = pthread_attr_setdetachstate(&attr->attr, &arg)) == 0) {
+#else
+    if ((stat = pthread_attr_setdetachstate(&attr->attr, 
+                                            DETACH_ARG(on))) == 0) {
+#endif
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+    int state;
+
+#ifdef PTHREAD_ATTR_GETDETACHSTATE_TAKES_ONE_ARG
+    state = pthread_attr_getdetachstate(&attr->attr);
+#else
+    pthread_attr_getdetachstate(&attr->attr, &state);
+#endif
+    if (state == DETACH_ARG(1))
+        return APR_DETACH;
+    return APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    int stat;
+
+    stat = pthread_attr_setstacksize(&attr->attr, stacksize);
+    if (stat == 0) {
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    stat = errno;
+#endif
+
+    return stat;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+#ifdef HAVE_PTHREAD_ATTR_SETGUARDSIZE
+    apr_status_t rv;
+
+    rv = pthread_attr_setguardsize(&attr->attr, size);
+    if (rv == 0) {
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    rv = errno;
+#endif
+    return rv;
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+static void *dummy_worker(void *opaque)
+{
+    apr_thread_t *thread = (apr_thread_t*)opaque;
+    return thread->func(thread, thread->data);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new,
+                                            apr_threadattr_t *attr,
+                                            apr_thread_start_t func,
+                                            void *data,
+                                            apr_pool_t *pool)
+{
+    apr_status_t stat;
+    pthread_attr_t *temp;
+
+    (*new) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->td = (pthread_t *)apr_pcalloc(pool, sizeof(pthread_t));
+
+    if ((*new)->td == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->data = data;
+    (*new)->func = func;
+
+    if (attr)
+        temp = &attr->attr;
+    else
+        temp = NULL;
+
+    stat = apr_pool_create(&(*new)->pool, pool);
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+
+    if ((stat = pthread_create((*new)->td, temp, dummy_worker, (*new))) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
+{
+    return pthread_self();
+}
+
+APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1,
+                                     apr_os_thread_t tid2)
+{
+    return pthread_equal(tid1, tid2);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd,
+                                          apr_status_t retval)
+{
+    thd->exitval = retval;
+    apr_pool_destroy(thd->pool);
+    pthread_exit(NULL);
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval,
+                                          apr_thread_t *thd)
+{
+    apr_status_t stat;
+    apr_status_t *thread_stat;
+
+    if ((stat = pthread_join(*thd->td,(void *)&thread_stat)) == 0) {
+        *retval = thd->exitval;
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
+{
+    apr_status_t stat;
+
+#ifdef HAVE_ZOS_PTHREADS
+    if ((stat = pthread_detach(thd->td)) == 0) {
+#else
+    if ((stat = pthread_detach(*thd->td)) == 0) {
+#endif
+
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(void) apr_thread_yield(void)
+{
+#ifdef HAVE_PTHREAD_YIELD
+#ifdef HAVE_ZOS_PTHREADS
+    pthread_yield(NULL);
+#else
+    pthread_yield();
+#endif /* HAVE_ZOS_PTHREADS */
+#else
+#ifdef HAVE_SCHED_YIELD
+    sched_yield();
+#endif
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key,
+                                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_get(data, key, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
+                              apr_status_t (*cleanup)(void *),
+                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
+                                            apr_thread_t *thd)
+{
+    *thethd = thd->td;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd,
+                                            apr_os_thread_t *thethd,
+                                            apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+
+    (*thd)->td = thethd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    static const pthread_once_t once_init = PTHREAD_ONCE_INIT;
+
+    *control = apr_palloc(p, sizeof(**control));
+    (*control)->once = once_init;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
+                                          void (*func)(void))
+{
+    return pthread_once(&control->once, func);
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
+
+#endif  /* HAVE_PTHREAD_H */
+#endif  /* APR_HAS_THREADS */
+
+#if !APR_HAS_THREADS
+
+/* avoid warning for no prototype */
+APR_DECLARE(apr_status_t) apr_os_thread_get(void);
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(void)
+{
+    return APR_ENOTIMPL;
+}
+
+#endif
diff --git a/threadproc/unix/threadpriv.c b/threadproc/unix/threadpriv.c
new file mode 100644
index 0000000..c278520
--- /dev/null
+++ b/threadproc/unix/threadpriv.c
@@ -0,0 +1,129 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_portable.h"
+#include "apr_arch_threadproc.h"
+
+#if APR_HAS_THREADS
+
+#if APR_HAVE_PTHREAD_H
+APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
+                                                       void (*dest)(void *),
+                                                       apr_pool_t *pool)
+{
+    (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
+
+    if ((*key) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*key)->pool = pool;
+
+    return pthread_key_create(&(*key)->key, dest);
+
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new,
+                                                    apr_threadkey_t *key)
+{
+#ifdef PTHREAD_GETSPECIFIC_TAKES_TWO_ARGS
+    if (pthread_getspecific(key->key,new))
+       *new = NULL;
+#else
+    (*new) = pthread_getspecific(key->key);
+#endif
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv,
+                                                    apr_threadkey_t *key)
+{
+    apr_status_t stat;
+
+    if ((stat = pthread_setspecific(key->key, priv)) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
+{
+#ifdef HAVE_PTHREAD_KEY_DELETE
+    apr_status_t stat;
+
+    if ((stat = pthread_key_delete(key->key)) == 0) {
+        return APR_SUCCESS;
+    }
+
+    return stat;
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
+                                                 apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_get(data, key, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
+                              apr_status_t (*cleanup)(void *),
+                              apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey,
+                                               apr_threadkey_t *key)
+{
+    *thekey = key->key;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key,
+                                               apr_os_threadkey_t *thekey,
+                                               apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+
+    if ((*key) == NULL) {
+        (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
+        (*key)->pool = pool;
+    }
+
+    (*key)->key = *thekey;
+    return APR_SUCCESS;
+}
+#endif /* APR_HAVE_PTHREAD_H */
+#endif /* APR_HAS_THREADS */
+
+#if !APR_HAS_THREADS
+
+/* avoid warning for no prototype */
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(void);
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(void)
+{
+    return APR_ENOTIMPL;
+}
+
+#endif
diff --git a/threadproc/win32/proc.c b/threadproc/win32/proc.c
new file mode 100644
index 0000000..b4dfd5f
--- /dev/null
+++ b/threadproc/win32/proc.c
@@ -0,0 +1,1158 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+
+#include "apr_thread_proc.h"
+#include "apr_file_io.h"
+#include "apr_general.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include "apr_lib.h"
+#include <stdlib.h>
+#if APR_HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#include <string.h>
+#if APR_HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
+ * requested for a specific child handle;
+ */
+static apr_file_t no_file = { NULL, INVALID_HANDLE_VALUE, };
+
+/* We have very carefully excluded volumes of definitions from the
+ * Microsoft Platform SDK, which kill the build time performance.
+ * These the sole constants we borrow from WinBase.h and WinUser.h
+ */
+#ifndef LOGON32_LOGON_NETWORK
+#define LOGON32_LOGON_NETWORK 3
+#endif
+
+#ifdef _WIN32_WCE
+#ifndef DETACHED_PROCESS
+#define DETACHED_PROCESS 0
+#endif
+#ifndef CREATE_UNICODE_ENVIRONMENT
+#define CREATE_UNICODE_ENVIRONMENT 0
+#endif
+#ifndef STARTF_USESHOWWINDOW
+#define STARTF_USESHOWWINDOW 0
+#endif
+#ifndef SW_HIDE
+#define SW_HIDE 0
+#endif
+#endif
+
+/* 
+ * some of the ideas expressed herein are based off of Microsoft
+ * Knowledge Base article: Q190351
+ *
+ */
+APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,
+                                                  apr_pool_t *pool)
+{
+    (*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
+    (*new)->pool = pool;
+    (*new)->cmdtype = APR_PROGRAM;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
+                                              apr_int32_t in, 
+                                              apr_int32_t out,
+                                              apr_int32_t err)
+{
+    apr_status_t stat = APR_SUCCESS;
+
+    if (in) {
+        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
+         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose 
+         * the CHILD/PARENT blocking flags for the stdin pipe.
+         * stdout/stderr map to the correct mode by default.
+         */
+        if (in == APR_CHILD_BLOCK)
+            in = APR_READ_BLOCK;
+        else if (in == APR_PARENT_BLOCK)
+            in = APR_WRITE_BLOCK;
+
+        if (in == APR_NO_FILE)
+            attr->child_in = &no_file;
+        else { 
+            stat = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
+                                           in, attr->pool);
+        }
+        if (stat == APR_SUCCESS)
+            stat = apr_file_inherit_unset(attr->parent_in);
+    }
+    if (out && stat == APR_SUCCESS) {
+        if (out == APR_NO_FILE)
+            attr->child_out = &no_file;
+        else { 
+            stat = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
+                                           out, attr->pool);
+        }
+        if (stat == APR_SUCCESS)
+            stat = apr_file_inherit_unset(attr->parent_out);
+    }
+    if (err && stat == APR_SUCCESS) {
+        if (err == APR_NO_FILE)
+            attr->child_err = &no_file;
+        else { 
+            stat = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
+                                           err, attr->pool);
+        }
+        if (stat == APR_SUCCESS)
+            stat = apr_file_inherit_unset(attr->parent_err);
+    }
+    return stat;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, 
+                                                  apr_file_t *child_in, 
+                                                  apr_file_t *parent_in)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (child_in) {
+        if ((attr->child_in == NULL) || (attr->child_in == &no_file))
+            rv = apr_file_dup(&attr->child_in, child_in, attr->pool);
+        else
+            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
+
+        if (rv == APR_SUCCESS)
+            rv = apr_file_inherit_set(attr->child_in);
+    }
+
+    if (parent_in && rv == APR_SUCCESS) {
+        if (attr->parent_in == NULL)
+            rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
+        else
+            rv = apr_file_dup2(attr->parent_in, parent_in, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr,
+                                                   apr_file_t *child_out,
+                                                   apr_file_t *parent_out)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (child_out) {
+        if ((attr->child_out == NULL) || (attr->child_out == &no_file))
+            rv = apr_file_dup(&attr->child_out, child_out, attr->pool);
+        else
+            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
+
+        if (rv == APR_SUCCESS)
+            rv = apr_file_inherit_set(attr->child_out);
+    }
+
+    if (parent_out && rv == APR_SUCCESS) {
+        if (attr->parent_out == NULL)
+            rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
+        else
+            rv = apr_file_dup2(attr->parent_out, parent_out, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr,
+                                                   apr_file_t *child_err,
+                                                   apr_file_t *parent_err)
+{
+    apr_status_t rv = APR_SUCCESS;
+
+    if (child_err) {
+        if ((attr->child_err == NULL) || (attr->child_err == &no_file))
+            rv = apr_file_dup(&attr->child_err, child_err, attr->pool);
+        else
+            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
+
+        if (rv == APR_SUCCESS)
+            rv = apr_file_inherit_set(attr->child_err);
+    }
+
+    if (parent_err && rv == APR_SUCCESS) {
+        if (attr->parent_err == NULL)
+            rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
+        else
+            rv = apr_file_dup2(attr->parent_err, parent_err, attr->pool);
+    }
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
+                                              const char *dir) 
+{
+    /* curr dir must be in native format, there are all sorts of bugs in
+     * the NT library loading code that flunk the '/' parsing test.
+     */
+    return apr_filepath_merge(&attr->currdir, NULL, dir, 
+                              APR_FILEPATH_NATIVE, attr->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
+                                                  apr_cmdtype_e cmd) 
+{
+    attr->cmdtype = cmd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr,
+                                                 apr_int32_t det) 
+{
+    attr->detached = det;
+    return APR_SUCCESS;
+}
+
+#ifndef _WIN32_WCE
+static apr_status_t attr_cleanup(void *theattr)
+{
+    apr_procattr_t *attr = (apr_procattr_t *)theattr;    
+    if (attr->user_token)
+        CloseHandle(attr->user_token);
+    attr->user_token = NULL;
+    return APR_SUCCESS;
+}
+#endif
+
+APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
+                                                const char *username,
+                                                const char *password)
+{
+#ifdef _WIN32_WCE
+    return APR_ENOTIMPL;
+#else
+    HANDLE user;
+    apr_wchar_t *wusername = NULL;
+    apr_wchar_t *wpassword = NULL;
+    apr_status_t rv;
+    apr_size_t len, wlen;
+
+    if (apr_os_level >= APR_WIN_NT_4) 
+    {
+        if (attr->user_token) {
+            /* Cannot set that twice */
+            if (attr->errfn) {
+                attr->errfn(attr->pool, 0, 
+                            apr_pstrcat(attr->pool, 
+                                        "function called twice" 
+                                         " on username: ", username, NULL));
+            }
+            return APR_EINVAL;
+        }
+        len = strlen(username) + 1;
+        wlen = len;
+        wusername = apr_palloc(attr->pool, wlen * sizeof(apr_wchar_t));
+        if ((rv = apr_conv_utf8_to_ucs2(username, &len, wusername, &wlen))
+                   != APR_SUCCESS) {
+            if (attr->errfn) {
+                attr->errfn(attr->pool, rv, 
+                            apr_pstrcat(attr->pool, 
+                                        "utf8 to ucs2 conversion failed" 
+                                         " on username: ", username, NULL));
+            }
+            return rv;
+        }
+        if (password) {
+            len = strlen(password) + 1;
+            wlen = len;
+            wpassword = apr_palloc(attr->pool, wlen * sizeof(apr_wchar_t));
+            if ((rv = apr_conv_utf8_to_ucs2(password, &len, wpassword, &wlen))
+                       != APR_SUCCESS) {
+                if (attr->errfn) {
+                    attr->errfn(attr->pool, rv, 
+                                apr_pstrcat(attr->pool, 
+                                        "utf8 to ucs2 conversion failed" 
+                                         " on password: ", password, NULL));
+                }
+                return rv;
+            }
+        }
+        if (!LogonUserW(wusername, 
+                        NULL, 
+                        wpassword ? wpassword : L"",
+                        LOGON32_LOGON_NETWORK,
+                        LOGON32_PROVIDER_DEFAULT,
+                        &user)) {
+            /* Logon Failed */            
+            return apr_get_os_error();
+        }
+        if (wpassword)
+            memset(wpassword, 0, wlen * sizeof(apr_wchar_t));
+        /* Get the primary token for user */
+        if (!DuplicateTokenEx(user, 
+                              TOKEN_QUERY | TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY, 
+                              NULL,
+                              SecurityImpersonation,
+                              TokenPrimary,
+                              &(attr->user_token))) {
+            /* Failed to duplicate the user token */
+            rv = apr_get_os_error();
+            CloseHandle(user);
+            return rv;
+        }
+        CloseHandle(user);
+
+        attr->sd = apr_pcalloc(attr->pool, SECURITY_DESCRIPTOR_MIN_LENGTH);
+        InitializeSecurityDescriptor(attr->sd, SECURITY_DESCRIPTOR_REVISION);
+        SetSecurityDescriptorDacl(attr->sd, -1, 0, 0);
+        attr->sa = apr_palloc(attr->pool, sizeof(SECURITY_ATTRIBUTES));
+        attr->sa->nLength = sizeof (SECURITY_ATTRIBUTES);
+        attr->sa->lpSecurityDescriptor = attr->sd;
+        attr->sa->bInheritHandle = FALSE;
+
+        /* register the cleanup */
+        apr_pool_cleanup_register(attr->pool, (void *)attr,
+                                  attr_cleanup,
+                                  apr_pool_cleanup_null);
+        return APR_SUCCESS;
+    }
+    else
+        return APR_ENOTIMPL;
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
+                                                 const char *groupname)
+{
+    /* Always return SUCCESS cause groups are irrelevant */
+    return APR_SUCCESS;
+}
+
+static const char* has_space(const char *str)
+{
+    const char *ch;
+    for (ch = str; *ch; ++ch) {
+        if (apr_isspace(*ch)) {
+            return ch;
+        }
+    }
+    return NULL;
+}
+
+static char *apr_caret_escape_args(apr_pool_t *p, const char *str)
+{
+    char *cmd;
+    unsigned char *d;
+    const unsigned char *s;
+
+    cmd = apr_palloc(p, 2 * strlen(str) + 1);	/* Be safe */
+    d = (unsigned char *)cmd;
+    s = (const unsigned char *)str;
+    for (; *s; ++s) {
+
+        /* 
+         * Newlines to Win32/OS2 CreateProcess() are ill advised.
+         * Convert them to spaces since they are effectively white
+         * space to most applications
+         */
+	if (*s == '\r' || *s == '\n') {
+	    *d++ = ' ';
+            continue;
+	}
+
+	if (IS_SHCHAR(*s)) {
+	    *d++ = '^';
+	}
+	*d++ = *s;
+    }
+    *d = '\0';
+
+    return cmd;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
+                                                       apr_child_errfn_t *errfn)
+{
+    attr->errfn = errfn;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
+                                                       apr_int32_t chk)
+{
+    attr->errchk = chk;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
+                                                       apr_int32_t addrspace)
+{
+    /* won't ever be used on this platform, so don't save the flag */
+    return APR_SUCCESS;
+}
+
+#if APR_HAS_UNICODE_FS && !defined(_WIN32_WCE)
+
+/* Used only for the NT code path, a critical section is the fastest
+ * implementation available.
+ */
+static CRITICAL_SECTION proc_lock;
+
+static apr_status_t threadproc_global_cleanup(void *ignored)
+{
+    DeleteCriticalSection(&proc_lock);
+    return APR_SUCCESS;
+}
+
+/* Called from apr_initialize, we need a critical section to handle
+ * the pipe inheritance on win32.  This will mutex any process create
+ * so as we change our inherited pipes, we prevent another process from
+ * also inheriting those alternate handles, and prevent the other process
+ * from failing to inherit our standard handles.
+ */
+apr_status_t apr_threadproc_init(apr_pool_t *pool)
+{
+    IF_WIN_OS_IS_UNICODE
+    {
+        InitializeCriticalSection(&proc_lock);
+        /* register the cleanup */
+        apr_pool_cleanup_register(pool, &proc_lock,
+                                  threadproc_global_cleanup,
+                                  apr_pool_cleanup_null);
+    }
+    return APR_SUCCESS;
+}
+
+#else /* !APR_HAS_UNICODE_FS || defined(_WIN32_WCE) */
+
+apr_status_t apr_threadproc_init(apr_pool_t *pool)
+{
+    return APR_SUCCESS;
+}
+
+#endif
+
+APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *new,
+                                          const char *progname,
+                                          const char * const *args,
+                                          const char * const *env,
+                                          apr_procattr_t *attr,
+                                          apr_pool_t *pool)
+{
+    apr_status_t rv;
+    apr_size_t i;
+    const char *argv0;
+    char *cmdline;
+    char *pEnvBlock;
+    PROCESS_INFORMATION pi;
+    DWORD dwCreationFlags = 0;
+
+    new->in = attr->parent_in;
+    new->out = attr->parent_out;
+    new->err = attr->parent_err;
+
+    if (attr->detached) {
+        /* If we are creating ourselves detached, then we should hide the
+         * window we are starting in.  And we had better redefine our
+         * handles for STDIN, STDOUT, and STDERR. Do not set the
+         * detached attribute for Win9x. We have found that Win9x does
+         * not manage the stdio handles properly when running old 16
+         * bit executables if the detached attribute is set.
+         */
+        if (apr_os_level >= APR_WIN_NT) {
+            /* 
+             * XXX DETACHED_PROCESS won't on Win9x at all; on NT/W2K 
+             * 16 bit executables fail (MS KB: Q150956)
+             */
+            dwCreationFlags |= DETACHED_PROCESS;
+        }
+    }
+
+    /* progname must be unquoted, in native format, as there are all sorts 
+     * of bugs in the NT library loader code that fault when parsing '/'.
+     * XXX progname must be NULL if this is a 16 bit app running in WOW
+     */
+    if (progname[0] == '\"') {
+        progname = apr_pstrmemdup(pool, progname + 1, strlen(progname) - 2);
+    }
+
+    if (attr->cmdtype == APR_PROGRAM || attr->cmdtype == APR_PROGRAM_ENV) {
+        char *fullpath = NULL;
+        if ((rv = apr_filepath_merge(&fullpath, attr->currdir, progname, 
+                                     APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
+            if (attr->errfn) {
+                attr->errfn(pool, rv, 
+                            apr_pstrcat(pool, "filepath_merge failed.", 
+                                        " currdir: ", attr->currdir, 
+                                        " progname: ", progname, NULL));
+            }
+            return rv;
+        }
+        progname = fullpath;
+    } 
+    else {
+        /* Do not fail if the path isn't parseable for APR_PROGRAM_PATH
+         * or APR_SHELLCMD.  We only invoke apr_filepath_merge (with no
+         * left hand side expression) in order to correct the path slash
+         * delimiters.  But the filename doesn't need to be in the CWD,
+         * nor does it need to be a filename at all (it could be a
+         * built-in shell command.)
+         */
+        char *fullpath = NULL;
+        if ((rv = apr_filepath_merge(&fullpath, "", progname, 
+                                     APR_FILEPATH_NATIVE, pool)) == APR_SUCCESS) {
+            progname = fullpath;
+        }        
+    }
+
+    if (has_space(progname)) {
+        argv0 = apr_pstrcat(pool, "\"", progname, "\"", NULL);
+    }
+    else {
+        argv0 = progname;
+    }
+
+    /* Handle the args, seperate from argv0 */
+    cmdline = "";
+    for (i = 1; args && args[i]; ++i) {
+        if (has_space(args[i]) || !args[i][0]) {
+            cmdline = apr_pstrcat(pool, cmdline, " \"", args[i], "\"", NULL);
+        }
+        else {
+            cmdline = apr_pstrcat(pool, cmdline, " ", args[i], NULL);
+        }
+    }
+
+#ifndef _WIN32_WCE
+    if (attr->cmdtype == APR_SHELLCMD || attr->cmdtype == APR_SHELLCMD_ENV) {
+        char *shellcmd = getenv("COMSPEC");
+        if (!shellcmd) {
+            if (attr->errfn) {
+                attr->errfn(pool, APR_EINVAL, "COMSPEC envar is not set");
+            }
+            return APR_EINVAL;
+        }
+        if (shellcmd[0] == '"') {
+            progname = apr_pstrmemdup(pool, shellcmd + 1, strlen(shellcmd) - 2);
+        }
+        else {
+            progname = shellcmd;
+            if (has_space(shellcmd)) {
+                shellcmd = apr_pstrcat(pool, "\"", shellcmd, "\"", NULL);
+            }
+        }
+        /* Command.com does not support a quoted command, while cmd.exe demands one.
+         */
+        i = strlen(progname);
+        if (i >= 11 && strcasecmp(progname + i - 11, "command.com") == 0) {
+            cmdline = apr_pstrcat(pool, shellcmd, " /C ", argv0, cmdline, NULL);
+        }
+        else {
+            cmdline = apr_pstrcat(pool, shellcmd, " /C \"", argv0, cmdline, "\"", NULL);
+        }
+    } 
+    else 
+#endif
+    {
+#if defined(_WIN32_WCE)
+        {
+#else
+        /* Win32 is _different_ than unix.  While unix will find the given
+         * program since it's already chdir'ed, Win32 cannot since the parent
+         * attempts to open the program with it's own path.
+         * ###: This solution isn't much better - it may defeat path searching
+         * when the path search was desired.  Open to further discussion.
+         */
+        i = strlen(progname);
+        if (i >= 4 && (strcasecmp(progname + i - 4, ".bat") == 0
+                    || strcasecmp(progname + i - 4, ".cmd") == 0))
+        {
+            char *shellcmd = getenv("COMSPEC");
+            if (!shellcmd) {
+                if (attr->errfn) {
+                    attr->errfn(pool, APR_EINVAL, "COMSPEC envar is not set");
+                }
+                return APR_EINVAL;
+            }
+            if (shellcmd[0] == '"') {
+                progname = apr_pstrmemdup(pool, shellcmd + 1, strlen(shellcmd) - 2);
+            }
+            else {
+                progname = shellcmd;
+                if (has_space(shellcmd)) {
+                    shellcmd = apr_pstrcat(pool, "\"", shellcmd, "\"", NULL);
+                }
+            }
+            i = strlen(progname);
+            if (i >= 11 && strcasecmp(progname + i - 11, "command.com") == 0) {
+                /* XXX: Still insecure - need doubled-quotes on each individual
+                 * arg of cmdline.  Suspect we need to postpone cmdline parsing
+                 * until this moment in all four code paths, with some flags
+                 * to toggle 'which flavor' is needed.
+                 */
+                cmdline = apr_pstrcat(pool, shellcmd, " /C ", argv0, cmdline, NULL);
+            }
+            else {
+                /* We must protect the cmdline args from any interpolation - this
+                 * is not a shellcmd, and the source of argv[] is untrusted.
+                 * Notice we escape ALL the cmdline args, including the quotes
+                 * around the individual args themselves.  No sense in allowing
+                 * the shift-state to be toggled, and the application will 
+                 * not see the caret escapes.
+                 */
+                cmdline = apr_caret_escape_args(pool, cmdline);
+                /*
+                 * Our app name must always be quoted so the quotes surrounding
+                 * the entire /c "command args" are unambigious.
+                 */
+                if (*argv0 != '"') {
+                    cmdline = apr_pstrcat(pool, shellcmd, " /C \"\"", argv0, "\"", cmdline, "\"", NULL);
+                }
+                else {
+                    cmdline = apr_pstrcat(pool, shellcmd, " /C \"", argv0, cmdline, "\"", NULL);
+                }
+            }
+        }
+        else {
+#endif
+            /* A simple command we are directly invoking.  Do not pass
+             * the first arg to CreateProc() for APR_PROGRAM_PATH
+             * invocation, since it would need to be a literal and
+             * complete file path.  That is; "c:\bin\aprtest.exe"
+             * would succeed, but "c:\bin\aprtest" or "aprtest.exe"
+             * can fail.
+             */
+            cmdline = apr_pstrcat(pool, argv0, cmdline, NULL);
+
+            if (attr->cmdtype == APR_PROGRAM_PATH) {
+                progname = NULL;
+            }
+        }
+    }
+
+    if (!env || attr->cmdtype == APR_PROGRAM_ENV ||
+        attr->cmdtype == APR_SHELLCMD_ENV) {
+        pEnvBlock = NULL;
+    }
+    else {
+        apr_size_t iEnvBlockLen;
+        /*
+         * Win32's CreateProcess call requires that the environment
+         * be passed in an environment block, a null terminated block of
+         * null terminated strings.
+         */  
+        i = 0;
+        iEnvBlockLen = 1;
+        while (env[i]) {
+            iEnvBlockLen += strlen(env[i]) + 1;
+            i++;
+        }
+        if (!i) 
+            ++iEnvBlockLen;
+
+#if APR_HAS_UNICODE_FS
+        IF_WIN_OS_IS_UNICODE
+        {
+            apr_wchar_t *pNext;
+            pEnvBlock = (char *)apr_palloc(pool, iEnvBlockLen * 2);
+            dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT;
+
+            i = 0;
+            pNext = (apr_wchar_t*)pEnvBlock;
+            while (env[i]) {
+                apr_size_t in = strlen(env[i]) + 1;
+                if ((rv = apr_conv_utf8_to_ucs2(env[i], &in, 
+                                                pNext, &iEnvBlockLen)) 
+                        != APR_SUCCESS) {
+                    if (attr->errfn) {
+                        attr->errfn(pool, rv, 
+                                    apr_pstrcat(pool, 
+                                                "utf8 to ucs2 conversion failed" 
+                                                " on this string: ", env[i], NULL));
+                    }
+                    return rv;
+                }
+                pNext = wcschr(pNext, L'\0') + 1;
+                i++;
+            }
+	    if (!i)
+                *(pNext++) = L'\0';
+	    *pNext = L'\0';
+        }
+#endif /* APR_HAS_UNICODE_FS */
+#if APR_HAS_ANSI_FS
+        ELSE_WIN_OS_IS_ANSI
+        {
+            char *pNext;
+            pEnvBlock = (char *)apr_palloc(pool, iEnvBlockLen);
+    
+            i = 0;
+            pNext = pEnvBlock;
+            while (env[i]) {
+                strcpy(pNext, env[i]);
+                pNext = strchr(pNext, '\0') + 1;
+                i++;
+            }
+	    if (!i)
+                *(pNext++) = '\0';
+	    *pNext = '\0';
+        }
+#endif /* APR_HAS_ANSI_FS */
+    } 
+
+    new->invoked = cmdline;
+
+#if APR_HAS_UNICODE_FS
+    IF_WIN_OS_IS_UNICODE
+    {
+        STARTUPINFOW si;
+        DWORD stdin_reset = 0;
+        DWORD stdout_reset = 0;
+        DWORD stderr_reset = 0;
+        apr_wchar_t *wprg = NULL;
+        apr_wchar_t *wcmd = NULL;
+        apr_wchar_t *wcwd = NULL;
+
+        if (progname) {
+            apr_size_t nprg = strlen(progname) + 1;
+            apr_size_t nwprg = nprg + 6;
+            wprg = apr_palloc(pool, nwprg * sizeof(wprg[0]));
+            if ((rv = apr_conv_utf8_to_ucs2(progname, &nprg, wprg, &nwprg))
+                   != APR_SUCCESS) {
+                if (attr->errfn) {
+                    attr->errfn(pool, rv, 
+                                apr_pstrcat(pool, 
+                                            "utf8 to ucs2 conversion failed" 
+                                            " on progname: ", progname, NULL));
+                }
+                return rv;
+            }
+        }
+
+        if (cmdline) {
+            apr_size_t ncmd = strlen(cmdline) + 1;
+            apr_size_t nwcmd = ncmd;
+            wcmd = apr_palloc(pool, nwcmd * sizeof(wcmd[0]));
+            if ((rv = apr_conv_utf8_to_ucs2(cmdline, &ncmd, wcmd, &nwcmd))
+                    != APR_SUCCESS) {
+                if (attr->errfn) {
+                    attr->errfn(pool, rv, 
+                                apr_pstrcat(pool, 
+                                            "utf8 to ucs2 conversion failed" 
+                                            " on cmdline: ", cmdline, NULL));
+                }
+                return rv;
+            }
+        }
+
+        if (attr->currdir)
+        {
+            apr_size_t ncwd = strlen(attr->currdir) + 1;
+            apr_size_t nwcwd = ncwd;
+            wcwd = apr_palloc(pool, ncwd * sizeof(wcwd[0]));
+            if ((rv = apr_conv_utf8_to_ucs2(attr->currdir, &ncwd, 
+                                            wcwd, &nwcwd))
+                    != APR_SUCCESS) {
+                if (attr->errfn) {
+                    attr->errfn(pool, rv, 
+                                apr_pstrcat(pool, 
+                                            "utf8 to ucs2 conversion failed" 
+                                            " on currdir: ", attr->currdir, NULL));
+                }
+                return rv;
+            }
+        }
+
+        memset(&si, 0, sizeof(si));
+        si.cb = sizeof(si);
+
+        if (attr->detached) {
+            si.dwFlags |= STARTF_USESHOWWINDOW;
+            si.wShowWindow = SW_HIDE;
+        }
+
+#ifndef _WIN32_WCE
+        /* LOCK CRITICAL SECTION 
+         * before we begin to manipulate the inherited handles
+         */
+        EnterCriticalSection(&proc_lock);
+
+        if ((attr->child_in && attr->child_in->filehand)
+            || (attr->child_out && attr->child_out->filehand)
+            || (attr->child_err && attr->child_err->filehand))
+        {
+            si.dwFlags |= STARTF_USESTDHANDLES;
+
+            si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
+            if (attr->child_in && attr->child_in->filehand)
+            {
+                if (GetHandleInformation(si.hStdInput,
+                                         &stdin_reset)
+                        && (stdin_reset &= HANDLE_FLAG_INHERIT))
+                    SetHandleInformation(si.hStdInput,
+                                         HANDLE_FLAG_INHERIT, 0);
+
+                if ( (si.hStdInput = attr->child_in->filehand) 
+                                   != INVALID_HANDLE_VALUE )
+                    SetHandleInformation(si.hStdInput, HANDLE_FLAG_INHERIT,
+                                                       HANDLE_FLAG_INHERIT);
+            }
+            
+            si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
+            if (attr->child_out && attr->child_out->filehand)
+            {
+                if (GetHandleInformation(si.hStdOutput,
+                                         &stdout_reset)
+                        && (stdout_reset &= HANDLE_FLAG_INHERIT))
+                    SetHandleInformation(si.hStdOutput,
+                                         HANDLE_FLAG_INHERIT, 0);
+
+                if ( (si.hStdOutput = attr->child_out->filehand) 
+                                   != INVALID_HANDLE_VALUE )
+                    SetHandleInformation(si.hStdOutput, HANDLE_FLAG_INHERIT,
+                                                        HANDLE_FLAG_INHERIT);
+            }
+
+            si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
+            if (attr->child_err && attr->child_err->filehand)
+            {
+                if (GetHandleInformation(si.hStdError,
+                                         &stderr_reset)
+                        && (stderr_reset &= HANDLE_FLAG_INHERIT))
+                    SetHandleInformation(si.hStdError,
+                                         HANDLE_FLAG_INHERIT, 0);
+
+                if ( (si.hStdError = attr->child_err->filehand) 
+                                   != INVALID_HANDLE_VALUE )
+                    SetHandleInformation(si.hStdError, HANDLE_FLAG_INHERIT,
+                                                       HANDLE_FLAG_INHERIT);
+            }
+        }
+        if (attr->user_token) {
+            /* XXX: for terminal services, handles can't be cannot be
+             * inherited across sessions.  This process must be created 
+             * in our existing session.  lpDesktop assignment appears
+             * to be wrong according to these rules.
+             */
+            si.lpDesktop = L"Winsta0\\Default";
+            if (!ImpersonateLoggedOnUser(attr->user_token)) {
+            /* failed to impersonate the logged user */
+                rv = apr_get_os_error();
+                CloseHandle(attr->user_token);
+                attr->user_token = NULL;
+                LeaveCriticalSection(&proc_lock);
+                return rv;
+            }
+            rv = CreateProcessAsUserW(attr->user_token,
+                                      wprg, wcmd,
+                                      attr->sa,
+                                      NULL,
+                                      TRUE,
+                                      dwCreationFlags,
+                                      pEnvBlock,
+                                      wcwd,
+                                      &si, &pi);
+
+            RevertToSelf();
+        }
+        else {
+            rv = CreateProcessW(wprg, wcmd,        /* Executable & Command line */
+                                NULL, NULL,        /* Proc & thread security attributes */
+                                TRUE,              /* Inherit handles */
+                                dwCreationFlags,   /* Creation flags */
+                                pEnvBlock,         /* Environment block */
+                                wcwd,              /* Current directory name */
+                                &si, &pi);
+        }
+
+        if ((attr->child_in && attr->child_in->filehand)
+            || (attr->child_out && attr->child_out->filehand)
+            || (attr->child_err && attr->child_err->filehand))
+        {
+            if (stdin_reset)
+                SetHandleInformation(GetStdHandle(STD_INPUT_HANDLE),
+                                     stdin_reset, stdin_reset);
+
+            if (stdout_reset)
+                SetHandleInformation(GetStdHandle(STD_OUTPUT_HANDLE),
+                                     stdout_reset, stdout_reset);
+
+            if (stderr_reset)
+                SetHandleInformation(GetStdHandle(STD_ERROR_HANDLE),
+                                     stderr_reset, stderr_reset);
+        }
+        /* RELEASE CRITICAL SECTION 
+         * The state of the inherited handles has been restored.
+         */
+        LeaveCriticalSection(&proc_lock);
+
+#else /* defined(_WIN32_WCE) */
+        rv = CreateProcessW(wprg, wcmd,        /* Executable & Command line */
+                            NULL, NULL,        /* Proc & thread security attributes */
+                            FALSE,             /* must be 0 */
+                            dwCreationFlags,   /* Creation flags */
+                            NULL,              /* Environment block must be NULL */
+                            NULL,              /* Current directory name must be NULL*/
+                            NULL,              /* STARTUPINFO not supported */
+                            &pi);
+#endif
+    }
+#endif /* APR_HAS_UNICODE_FS */
+#if APR_HAS_ANSI_FS
+    ELSE_WIN_OS_IS_ANSI
+    {
+        STARTUPINFOA si;
+        memset(&si, 0, sizeof(si));
+        si.cb = sizeof(si);
+
+        if (attr->detached) {
+            si.dwFlags |= STARTF_USESHOWWINDOW;
+            si.wShowWindow = SW_HIDE;
+        }
+
+        if ((attr->child_in && attr->child_in->filehand)
+            || (attr->child_out && attr->child_out->filehand)
+            || (attr->child_err && attr->child_err->filehand))
+        {
+            si.dwFlags |= STARTF_USESTDHANDLES;
+
+            si.hStdInput = (attr->child_in) 
+                              ? attr->child_in->filehand
+                              : GetStdHandle(STD_INPUT_HANDLE);
+
+            si.hStdOutput = (attr->child_out)
+                              ? attr->child_out->filehand
+                              : GetStdHandle(STD_OUTPUT_HANDLE);
+
+            si.hStdError = (attr->child_err)
+                              ? attr->child_err->filehand
+                              : GetStdHandle(STD_ERROR_HANDLE);
+        }
+
+        rv = CreateProcessA(progname, cmdline, /* Command line */
+                            NULL, NULL,        /* Proc & thread security attributes */
+                            TRUE,              /* Inherit handles */
+                            dwCreationFlags,   /* Creation flags */
+                            pEnvBlock,         /* Environment block */
+                            attr->currdir,     /* Current directory name */
+                            &si, &pi);
+    }
+#endif /* APR_HAS_ANSI_FS */
+
+    /* Check CreateProcess result 
+     */
+    if (!rv)
+        return apr_get_os_error();
+
+    /* XXX Orphaned handle warning - no fix due to broken apr_proc_t api.
+     */
+    new->hproc = pi.hProcess;
+    new->pid = pi.dwProcessId;
+
+    if ((attr->child_in) && (attr->child_in != &no_file)) {
+        apr_file_close(attr->child_in);
+    }
+    if ((attr->child_out) && (attr->child_out != &no_file)) {
+        apr_file_close(attr->child_out);
+    }
+    if ((attr->child_err) && (attr->child_err != &no_file)) {
+        apr_file_close(attr->child_err);
+    }
+    CloseHandle(pi.hThread);
+
+    return APR_SUCCESS;
+}
+
+static apr_exit_why_e why_from_exit_code(DWORD exit) {
+    /* See WinNT.h STATUS_ACCESS_VIOLATION and family for how
+     * this class of failures was determined
+     */
+    if (((exit & 0xC0000000) == 0xC0000000) 
+                    && !(exit & 0x3FFF0000))
+        return APR_PROC_SIGNAL;
+    else
+        return APR_PROC_EXIT;
+
+    /* ### No way to tell if Dr Watson grabbed a core, AFAICT. */
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
+                                                  int *exitcode,
+                                                  apr_exit_why_e *exitwhy,
+                                                  apr_wait_how_e waithow,
+                                                  apr_pool_t *p)
+{
+#if APR_HAS_UNICODE_FS
+#ifndef _WIN32_WCE
+    IF_WIN_OS_IS_UNICODE
+    {
+        DWORD  dwId    = GetCurrentProcessId();
+        DWORD  i;
+        DWORD  nChilds = 0;
+        DWORD  nActive = 0;
+        HANDLE ps32;
+        PROCESSENTRY32W pe32;
+        BOOL   bHasMore = FALSE;
+        DWORD  dwFlags  = PROCESS_QUERY_INFORMATION;
+        apr_status_t rv = APR_EGENERAL;
+
+        if (waithow == APR_WAIT)
+            dwFlags |= SYNCHRONIZE;
+        if (!(ps32 = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0))) {
+            return apr_get_os_error();
+        }
+        pe32.dwSize = sizeof(PROCESSENTRY32W);
+        if (!Process32FirstW(ps32, &pe32)) {
+            if (GetLastError() == ERROR_NO_MORE_FILES)
+                return APR_EOF;
+            else
+                return apr_get_os_error();
+        }
+        do {
+            DWORD  dwRetval = 0;
+            DWORD  nHandles = 0;
+            HANDLE hProcess = NULL;
+            HANDLE pHandles[MAXIMUM_WAIT_OBJECTS];
+            do {
+                if (pe32.th32ParentProcessID == dwId) {
+                    nChilds++;
+                    if ((hProcess = OpenProcess(dwFlags, FALSE,
+                                                pe32.th32ProcessID)) != NULL) {
+                        if (GetExitCodeProcess(hProcess, &dwRetval)) {
+                            if (dwRetval == STILL_ACTIVE) {
+                                nActive++;
+                                if (waithow == APR_WAIT)
+                                    pHandles[nHandles++] = hProcess;
+                                else
+                                    CloseHandle(hProcess);
+                            }
+                            else {                                
+                                /* Process has exited.
+                                 * No need to wait for its termination.
+                                 */
+                                CloseHandle(hProcess);
+                                if (exitcode)
+                                    *exitcode = dwRetval;
+                                if (exitwhy)
+                                    *exitwhy  = why_from_exit_code(dwRetval);
+                                proc->pid = pe32.th32ProcessID;
+                            }
+                        }
+                        else {
+                            /* Unexpected error code.
+                             * Cleanup and return;
+                             */
+                            rv = apr_get_os_error();
+                            CloseHandle(hProcess);
+                            for (i = 0; i < nHandles; i++)
+                                CloseHandle(pHandles[i]);
+                            return rv;
+                        }
+                    }
+                    else {
+                        /* This is our child, so it shouldn't happen
+                         * that we cannot open our child's process handle.
+                         * However if the child process increased the
+                         * security token it might fail.
+                         */
+                    }
+                }
+            } while ((bHasMore = Process32NextW(ps32, &pe32)) &&
+                     nHandles < MAXIMUM_WAIT_OBJECTS);
+            if (nHandles) {
+                /* Wait for all collected processes to finish */
+                DWORD waitStatus = WaitForMultipleObjects(nHandles, pHandles,
+                                                          TRUE, INFINITE);
+                for (i = 0; i < nHandles; i++)
+                    CloseHandle(pHandles[i]);
+                if (waitStatus == WAIT_OBJECT_0) {
+                    /* Decrease active count by the number of awaited
+                     * processes.
+                     */
+                    nActive -= nHandles;
+                }
+                else {
+                    /* Broken from the infinite loop */
+                    break;
+                }
+            }
+        } while (bHasMore);
+        CloseHandle(ps32);
+        if (waithow != APR_WAIT) {
+            if (nChilds && nChilds == nActive) {
+                /* All child processes are running */
+                rv = APR_CHILD_NOTDONE;
+                proc->pid = -1;
+            }
+            else {
+                /* proc->pid contains the pid of the
+                 * exited processes
+                 */
+                rv = APR_CHILD_DONE;
+            }
+        }
+        if (nActive == 0) {
+            rv = APR_CHILD_DONE;
+            proc->pid = -1;
+        }
+        return rv;
+    }
+#endif /* _WIN32_WCE */
+#endif /* APR_HAS_UNICODE_FS */
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
+                                        int *exitcode, apr_exit_why_e *exitwhy,
+                                        apr_wait_how_e waithow)
+{
+    DWORD stat;
+    DWORD time;
+
+    if (waithow == APR_WAIT)
+        time = INFINITE;
+    else
+        time = 0;
+
+    if ((stat = WaitForSingleObject(proc->hproc, time)) == WAIT_OBJECT_0) {
+        if (GetExitCodeProcess(proc->hproc, &stat)) {
+            if (exitcode)
+                *exitcode = stat;
+            if (exitwhy)
+                *exitwhy = why_from_exit_code(stat);
+            CloseHandle(proc->hproc);
+            proc->hproc = NULL;
+            return APR_CHILD_DONE;
+        }
+    }
+    else if (stat == WAIT_TIMEOUT) {
+        return APR_CHILD_NOTDONE;
+    }
+    return apr_get_os_error();
+}
+
+APR_DECLARE(apr_status_t) apr_proc_detach(int daemonize)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
+                                                 apr_perms_setfn_t *perms_set_fn,
+                                                 void *data,
+                                                 apr_fileperms_t perms)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/win32/signals.c b/threadproc/win32/signals.c
new file mode 100644
index 0000000..48676d8
--- /dev/null
+++ b/threadproc/win32/signals.c
@@ -0,0 +1,67 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+#include "apr_thread_proc.h"
+#include "apr_signal.h"
+#include "apr_file_io.h"
+#include "apr_general.h"
+#if APR_HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#include <string.h>
+#if APR_HAVE_SYS_WAIT
+#include <sys/wait.h>
+#endif
+
+/* Windows only really support killing process, but that will do for now. 
+ *
+ * ### Actually, closing the input handle to the proc should also do fine 
+ * for most console apps.  This definitely needs improvement...
+ */
+APR_DECLARE(apr_status_t) apr_proc_kill(apr_proc_t *proc, int signal)
+{
+    if (proc->hproc != NULL) {
+        if (TerminateProcess(proc->hproc, signal) == 0) {
+            return apr_get_os_error();
+        }
+        /* On unix, SIGKILL leaves a apr_proc_wait()able pid lying around, 
+         * so we will leave hproc alone until the app calls apr_proc_wait().
+         */
+        return APR_SUCCESS;
+    }
+    return APR_EPROC_UNKNOWN;
+}
+
+void apr_signal_init(apr_pool_t *pglobal)
+{
+}
+
+APR_DECLARE(const char *) apr_signal_description_get(int signum)
+{
+    return "unknown signal (not supported)";
+}
+
+APR_DECLARE(apr_status_t) apr_signal_block(int signum)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_signal_unblock(int signum)
+{
+    return APR_ENOTIMPL;
+}
diff --git a/threadproc/win32/thread.c b/threadproc/win32/thread.c
new file mode 100644
index 0000000..2503457
--- /dev/null
+++ b/threadproc/win32/thread.c
@@ -0,0 +1,281 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_private.h"
+#include "apr_arch_threadproc.h"
+#include "apr_thread_proc.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_portable.h"
+#if APR_HAVE_PROCESS_H
+#include <process.h>
+#endif
+#include "apr_arch_misc.h"   
+
+/* Chosen for us by apr_initialize */
+DWORD tls_apr_thread = 0;
+
+APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new,
+                                                apr_pool_t *pool)
+{
+    (*new) = (apr_threadattr_t *)apr_palloc(pool, 
+              sizeof(apr_threadattr_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->pool = pool;
+    (*new)->detach = 0;
+    (*new)->stacksize = 0;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr,
+                                                   apr_int32_t on)
+{
+    attr->detach = on;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+    if (attr->detach == 1)
+        return APR_DETACH;
+    return APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    attr->stacksize = stacksize;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+    return APR_ENOTIMPL;
+}
+
+static void *dummy_worker(void *opaque)
+{
+    apr_thread_t *thd = (apr_thread_t *)opaque;
+    TlsSetValue(tls_apr_thread, thd->td);
+    return thd->func(thd, thd->data);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new,
+                                            apr_threadattr_t *attr,
+                                            apr_thread_start_t func,
+                                            void *data, apr_pool_t *pool)
+{
+    apr_status_t stat;
+	unsigned temp;
+    HANDLE handle;
+
+    (*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->data = data;
+    (*new)->func = func;
+    (*new)->td   = NULL;
+    stat = apr_pool_create(&(*new)->pool, pool);
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+
+    /* Use 0 for default Thread Stack Size, because that will
+     * default the stack to the same size as the calling thread.
+     */
+#ifndef _WIN32_WCE
+    if ((handle = (HANDLE)_beginthreadex(NULL,
+                        (DWORD) (attr ? attr->stacksize : 0),
+                        (unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
+                        (*new), 0, &temp)) == 0) {
+        return APR_FROM_OS_ERROR(_doserrno);
+    }
+#else
+   if ((handle = CreateThread(NULL,
+                        attr && attr->stacksize > 0 ? attr->stacksize : 0,
+                        (unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
+                        (*new), 0, &temp)) == 0) {
+        return apr_get_os_error();
+    }
+#endif
+    if (attr && attr->detach) {
+        CloseHandle(handle);
+    }
+    else
+        (*new)->td = handle;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd,
+                                          apr_status_t retval)
+{
+    thd->exitval = retval;
+    apr_pool_destroy(thd->pool);
+    thd->pool = NULL;
+#ifndef _WIN32_WCE
+    _endthreadex(0);
+#else
+    ExitThread(0);
+#endif
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval,
+                                          apr_thread_t *thd)
+{
+    apr_status_t rv = APR_SUCCESS;
+    
+    if (!thd->td) {
+        /* Can not join on detached threads */
+        return APR_DETACH;
+    }
+    rv = WaitForSingleObject(thd->td, INFINITE);
+    if ( rv == WAIT_OBJECT_0 || rv == WAIT_ABANDONED) {
+        /* If the thread_exit has been called */
+        if (!thd->pool)
+            *retval = thd->exitval;
+        else
+            rv = APR_INCOMPLETE;
+    }
+    else
+        rv = apr_get_os_error();
+    CloseHandle(thd->td);
+    thd->td = NULL;
+
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
+{
+    if (thd->td && CloseHandle(thd->td)) {
+        thd->td = NULL;
+        return APR_SUCCESS;
+    }
+    else {
+        return apr_get_os_error();
+    }
+}
+
+APR_DECLARE(void) apr_thread_yield()
+{
+    /* SwitchToThread is not supported on Win9x, but since it's
+     * primarily a noop (entering time consuming code, therefore
+     * providing more critical threads a bit larger timeslice)
+     * we won't worry too much if it's not available.
+     */
+#ifndef _WIN32_WCE
+    if (apr_os_level >= APR_WIN_NT) {
+        SwitchToThread();
+    }
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key,
+                                             apr_thread_t *thread)
+{
+    return apr_pool_userdata_get(data, key, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
+                                             apr_status_t (*cleanup) (void *),
+                                             apr_thread_t *thread)
+{
+    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+}
+
+
+APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
+{
+    HANDLE hthread = (HANDLE)TlsGetValue(tls_apr_thread);
+    HANDLE hproc;
+
+    if (hthread) {
+        return hthread;
+    }
+    
+    hproc = GetCurrentProcess();
+    hthread = GetCurrentThread();
+    if (!DuplicateHandle(hproc, hthread, 
+                         hproc, &hthread, 0, FALSE, 
+                         DUPLICATE_SAME_ACCESS)) {
+        return NULL;
+    }
+    TlsSetValue(tls_apr_thread, hthread);
+    return hthread;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
+                                            apr_thread_t *thd)
+{
+    if (thd == NULL) {
+        return APR_ENOTHREAD;
+    }
+    *thethd = thd->td;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd,
+                                            apr_os_thread_t *thethd,
+                                            apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+    (*thd)->td = thethd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    (*control) = apr_pcalloc(p, sizeof(**control));
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
+                                          void (*func)(void))
+{
+    if (!InterlockedExchange(&control->value, 1)) {
+        func();
+    }
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1,
+                                     apr_os_thread_t tid2)
+{
+    /* Since the only tid's we support our are own, and
+     * apr_os_thread_current returns the identical handle
+     * to the one we created initially, the test is simple.
+     */
+    return (tid1 == tid2);
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
diff --git a/threadproc/win32/threadpriv.c b/threadproc/win32/threadpriv.c
new file mode 100644
index 0000000..787c142
--- /dev/null
+++ b/threadproc/win32/threadpriv.c
@@ -0,0 +1,101 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_threadproc.h"
+#include "apr_thread_proc.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_errno.h"
+#include "apr_portable.h"
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
+                                                    void (*dest)(void *),
+                                                    apr_pool_t *pool)
+{
+    (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+    if ((*key) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*key)->pool = pool;
+
+    if (((*key)->key = TlsAlloc()) != 0xFFFFFFFF) {
+        return APR_SUCCESS;
+    }
+    return apr_get_os_error();
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new,
+                                                 apr_threadkey_t *key)
+{
+    if (((*new) = TlsGetValue(key->key))) {
+        return APR_SUCCESS;
+    }
+    return apr_get_os_error();
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv,
+                                                 apr_threadkey_t *key)
+{
+    if (TlsSetValue(key->key, priv)) {
+        return APR_SUCCESS;
+    }
+    return apr_get_os_error();
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
+{
+    if (TlsFree(key->key)) {
+        return APR_SUCCESS; 
+    }
+    return apr_get_os_error();
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
+                                                apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_get(data, key, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
+                                                apr_status_t (*cleanup)(void *),
+                                                apr_threadkey_t *threadkey)
+{
+    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey,
+                                               apr_threadkey_t *key)
+{
+    *thekey = key->key;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key,
+                                               apr_os_threadkey_t *thekey,
+                                               apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*key) == NULL) {
+        (*key) = (apr_threadkey_t *)apr_palloc(pool, sizeof(apr_threadkey_t));
+        (*key)->pool = pool;
+    }
+    (*key)->key = *thekey;
+    return APR_SUCCESS;
+}           
+