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Improve error handling

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This commit is contained in:
Christopher Rienzo 2011-12-06 22:36:05 +00:00
parent 4e5560a980
commit 0ed06ad710
1 changed files with 38 additions and 34 deletions
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72
src/mod/timers/mod_posix_timer/mod_posix_timer.c
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@ -82,35 +82,38 @@ static switch_status_t posix_timer_start_interval(interval_timer_t *it, int inte
return SWITCH_STATUS_GENERR;
}
if (it->users <= 0) {
/* reset */
it->tick = 0;
it->users = 0;
/* reuse, if possible */
if (it->mutex == NULL) {
switch_mutex_init(&it->mutex, SWITCH_MUTEX_NESTED, globals.pool);
switch_thread_cond_create(&it->cond, globals.pool);
}
/* create the POSIX timer. Will notify the posix_timer_notify thread on ticks. */
memset(&sigev, 0, sizeof(sigev));
sigev.sigev_notify = SIGEV_THREAD;
sigev.sigev_notify_function = posix_timer_notify;
sigev.sigev_value.sival_ptr = (void *)it;
if (timer_create(CLOCK_MONOTONIC, &sigev, &it->timer) == -1) {
return SWITCH_STATUS_GENERR;
}
/* start the timer to tick at interval */
memset(&val, 0, sizeof(val));
val.it_interval.tv_sec = interval / 1000;
val.it_interval.tv_nsec = (interval % 1000) * 1000000;
val.it_value.tv_sec = 0;
val.it_value.tv_nsec = 100000;
if (timer_settime(it->timer, 0, &val, NULL) == -1) {
return SWITCH_STATUS_GENERR;
}
}
it->users++;
if (it->users > 1) {
return SWITCH_STATUS_SUCCESS;
}
it->tick = 0;
switch_mutex_init(&it->mutex, SWITCH_MUTEX_NESTED, globals.pool);
switch_thread_cond_create(&it->cond, globals.pool);
/* create the POSIX timer. Will notify the posix_timer_notify thread on ticks. */
memset(&sigev, 0, sizeof(sigev));
sigev.sigev_notify = SIGEV_THREAD;
sigev.sigev_notify_function = posix_timer_notify;
sigev.sigev_value.sival_ptr = (void *)it;
if (timer_create(CLOCK_MONOTONIC, &sigev, &it->timer) == -1) {
return SWITCH_STATUS_GENERR;
}
/* start the timer to tick at interval */
memset(&val, 0, sizeof(val));
val.it_interval.tv_sec = interval / 1000;
val.it_interval.tv_nsec = (interval % 1000) * 1000000;
val.it_value.tv_sec = 0;
val.it_value.tv_nsec = 100000;
if (timer_settime(it->timer, 0, &val, NULL) == -1) {
return SWITCH_STATUS_GENERR;
}
return SWITCH_STATUS_SUCCESS;
}
@ -119,12 +122,13 @@ static switch_status_t posix_timer_start_interval(interval_timer_t *it, int inte
*/
static switch_status_t posix_timer_stop_interval(interval_timer_t *it)
{
it->users--;
if (it->users > 0)
return SWITCH_STATUS_SUCCESS;
timer_delete(it->timer);
memset(&it->timer, 0, sizeof(it->timer));
if (it->users > 0) {
it->users--;
if (it->users == 0) {
timer_delete(it->timer);
memset(&it->timer, 0, sizeof(it->timer));
}
}
return SWITCH_STATUS_SUCCESS;
}