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wrap fork so we can drop priority in child processes

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This commit is contained in:
Anthony Minessale
2012-10-01 12:14:30 -05:00
parent 0995d133a6
commit 52eff9451c
8 changed files with 31 additions and 11 deletions
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25
src/switch_core.c
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@@ -2731,15 +2731,33 @@ SWITCH_DECLARE(void) switch_close_extra_files(int *keep, int keep_ttl)
}
#ifdef WIN32
static int switch_system_fork(const char *cmd, switch_bool_t wait)
{
return switch_system_thread(cmd, wait);
}
SWITCH_DECLARE(pid_t) switch_fork(void)
{
return -1;
}
#else
SWITCH_DECLARE(pid_t) switch_fork(void)
{
int i = fork();
if (!i) {
set_low_priority();
}
return i;
}
static int switch_system_fork(const char *cmd, switch_bool_t wait)
{
int pid;
@@ -2747,7 +2765,7 @@ static int switch_system_fork(const char *cmd, switch_bool_t wait)
switch_core_set_signal_handlers();
pid = fork();
pid = switch_fork();
if (pid) {
if (wait) {
@@ -2757,7 +2775,6 @@ static int switch_system_fork(const char *cmd, switch_bool_t wait)
} else {
switch_close_extra_files(NULL, 0);
set_low_priority();
if (system(dcmd) == -1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to execute because of a command error : %s\n", dcmd);
}
@@ -2793,7 +2810,7 @@ SWITCH_DECLARE(int) switch_stream_system_fork(const char *cmd, switch_stream_han
if (pipe(fds)) {
goto end;
} else { /* good to go */
pid = fork();
pid = switch_fork();
if (pid < 0) { /* ok maybe not */
close(fds[0]);