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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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20
apps/app_ices.c
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@@ -43,6 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/app.h"
#define ICES "/usr/bin/ices"
#define LOCAL_ICES "/usr/local/bin/ices"
@@ -60,31 +61,18 @@ static char *descrip =
static int icesencode(char *filename, int fd)
{
int res;
int x;
sigset_t fullset, oldset;
sigfillset(&fullset);
pthread_sigmask(SIG_BLOCK, &fullset, &oldset);
res = fork();
res = ast_safe_fork(0);
if (res < 0)
ast_log(LOG_WARNING, "Fork failed\n");
if (res) {
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
return res;
}
/* Stop ignoring PIPE */
signal(SIGPIPE, SIG_DFL);
pthread_sigmask(SIG_UNBLOCK, &fullset, NULL);
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(fd, STDIN_FILENO);
for (x=STDERR_FILENO + 1;x<1024;x++) {
if ((x != STDIN_FILENO) && (x != STDOUT_FILENO))
close(x);
}
ast_close_fds_above_n(STDERR_FILENO);
/* Most commonly installed in /usr/local/bin */
execl(ICES, "ices", filename, (char *)NULL);
/* But many places has it in /usr/bin */
@@ -183,7 +171,7 @@ static int ices_exec(struct ast_channel *chan, void *data)
}
}
close(fds[1]);
if (pid > -1)
kill(pid, SIGKILL);
if (!res && oreadformat)