forked from Mirrors/freeswitch
0488a5109a
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
420 lines
13 KiB
C
420 lines
13 KiB
C
/* 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"
|
|
|
|
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 status;
|
|
if (in != 0) {
|
|
if ((status = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
|
|
attr->pool)) != APR_SUCCESS) {
|
|
return status;
|
|
}
|
|
switch (in) {
|
|
case APR_FULL_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_in, -1);
|
|
apr_file_pipe_timeout_set(attr->parent_in, -1);
|
|
break;
|
|
case APR_PARENT_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_in, -1);
|
|
break;
|
|
case APR_CHILD_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->parent_in, -1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (out) {
|
|
if ((status = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
|
|
attr->pool)) != APR_SUCCESS) {
|
|
return status;
|
|
}
|
|
switch (out) {
|
|
case APR_FULL_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_out, -1);
|
|
apr_file_pipe_timeout_set(attr->parent_out, -1);
|
|
break;
|
|
case APR_PARENT_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_out, -1);
|
|
break;
|
|
case APR_CHILD_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->parent_out, -1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (err) {
|
|
if ((status = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
|
|
attr->pool)) != APR_SUCCESS) {
|
|
return status;
|
|
}
|
|
switch (err) {
|
|
case APR_FULL_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_err, -1);
|
|
apr_file_pipe_timeout_set(attr->parent_err, -1);
|
|
break;
|
|
case APR_PARENT_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->child_err, -1);
|
|
break;
|
|
case APR_CHILD_BLOCK:
|
|
apr_file_pipe_timeout_set(attr->parent_err, -1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
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 : -1;
|
|
sp->out = attr->child_out ? attr->child_out->filedes : -1;
|
|
sp->err = attr->child_err ? attr->child_err->filedes : -1;
|
|
|
|
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) {
|
|
apr_file_close(attr->child_in);
|
|
}
|
|
if (attr->child_out) {
|
|
apr_file_close(attr->child_out);
|
|
}
|
|
if (attr->child_err) {
|
|
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)
|
|
{
|
|
if (attr->child_in == NULL && attr->parent_in == NULL)
|
|
apr_file_pipe_create(&attr->child_in, &attr->parent_in, attr->pool);
|
|
|
|
if (child_in != NULL)
|
|
apr_file_dup(&attr->child_in, child_in, attr->pool);
|
|
|
|
if (parent_in != NULL)
|
|
apr_file_dup(&attr->parent_in, parent_in, attr->pool);
|
|
|
|
return APR_SUCCESS;
|
|
}
|
|
|
|
APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
|
|
apr_file_t *parent_out)
|
|
{
|
|
if (attr->child_out == NULL && attr->parent_out == NULL)
|
|
apr_file_pipe_create(&attr->child_out, &attr->parent_out, attr->pool);
|
|
|
|
if (child_out != NULL)
|
|
apr_file_dup(&attr->child_out, child_out, attr->pool);
|
|
|
|
if (parent_out != NULL)
|
|
apr_file_dup(&attr->parent_out, parent_out, attr->pool);
|
|
|
|
return APR_SUCCESS;
|
|
}
|
|
|
|
APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
|
|
apr_file_t *parent_err)
|
|
{
|
|
if (attr->child_err == NULL && attr->parent_err == NULL)
|
|
apr_file_pipe_create(&attr->child_err, &attr->parent_err, attr->pool);
|
|
|
|
if (child_err != NULL)
|
|
apr_file_dup(&attr->child_err, child_err, attr->pool);
|
|
|
|
if (parent_err != NULL)
|
|
apr_file_dup(&attr->parent_err, parent_err, attr->pool);
|
|
|
|
return APR_SUCCESS;
|
|
}
|
|
|
|
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;
|
|
}
|