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Standardized routines for forking processes (keeps all the specialized code in one place).

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114188 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-04-16 22:57:54 +00:00
parent 752f6681b1
commit 123ac5fd64
13 changed files with 163 additions and 137 deletions
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19
apps/app_zapras.c
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@@ -50,6 +50,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
static char *app = "ZapRAS";
@@ -69,30 +70,18 @@ static char *descrip =
static pid_t spawn_ras(struct ast_channel *chan, char *args)
{
pid_t pid;
int x;
char *c;
char *argv[PPP_MAX_ARGS];
int argc = 0;
char *stringp=NULL;
sigset_t fullset, oldset;
sigfillset(&fullset);
pthread_sigmask(SIG_BLOCK, &fullset, &oldset);
/* Start by forking */
pid = fork();
pid = ast_safe_fork(1);
if (pid) {
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
return pid;
}
/* Restore original signal handlers */
for (x=0;x<NSIG;x++)
signal(x, SIG_DFL);
pthread_sigmask(SIG_UNBLOCK, &fullset, NULL);
/* Execute RAS on File handles */
dup2(chan->fds[0], STDIN_FILENO);
@@ -101,8 +90,7 @@ static pid_t spawn_ras(struct ast_channel *chan, char *args)
ast_set_priority(0);
/* Close other file descriptors */
for (x=STDERR_FILENO + 1;x<1024;x++)
close(x);
ast_close_fds_above_n(STDERR_FILENO);
/* Reset all arguments */
memset(argv, 0, sizeof(argv));
@@ -185,6 +173,7 @@ static void run_ras(struct ast_channel *chan, char *args)
break;
}
}
ast_safe_fork_cleanup();
}
static int zapras_exec(struct ast_channel *chan, void *data)