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-rw-r--r--threadproc/beos/proc.c454
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;
+}