Adding upstream version 1.7.2.upstream/1.7.2

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

1 files changed, 454 insertions, 0 deletions

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;
+}