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if no timer was armed, we don't need to disarm it

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2296 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-04-22 02:47:05 +00:00
parent 4a1971a535
commit cdb077b6c0
1 changed files with 13 additions and 7 deletions
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6
src/pulsecore/rtpoll.c
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@ -71,6 +71,7 @@ struct pa_rtpoll {
int rtsig; int rtsig;
sigset_t sigset_unblocked; sigset_t sigset_unblocked;
timer_t timer; timer_t timer;
pa_bool_t timer_armed;
#ifdef __linux__ #ifdef __linux__
pa_bool_t dont_use_ppoll; pa_bool_t dont_use_ppoll;
#endif #endif
@ -130,6 +131,7 @@ pa_rtpoll *pa_rtpoll_new(void) {
p->rtsig = -1; p->rtsig = -1;
sigemptyset(&p->sigset_unblocked); sigemptyset(&p->sigset_unblocked);
p->timer = (timer_t) -1; p->timer = (timer_t) -1;
p->timer_armed = FALSE;
#endif #endif
@ -465,6 +467,7 @@ static void update_timer(pa_rtpoll *p) {
struct timespec ts = { .tv_sec = 0, .tv_nsec = 0 }; struct timespec ts = { .tv_sec = 0, .tv_nsec = 0 };
sigset_t ss; sigset_t ss;
if (p->timer_armed) {
/* First disarm timer */ /* First disarm timer */
memset(&its, 0, sizeof(its)); memset(&its, 0, sizeof(its));
pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0); pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0);
@ -473,6 +476,7 @@ static void update_timer(pa_rtpoll *p) {
pa_assert_se(sigemptyset(&ss) == 0); pa_assert_se(sigemptyset(&ss) == 0);
pa_assert_se(sigaddset(&ss, p->rtsig) == 0); pa_assert_se(sigaddset(&ss, p->rtsig) == 0);
sigtimedwait(&ss, NULL, &ts); sigtimedwait(&ss, NULL, &ts);
}
/* And install the new timer */ /* And install the new timer */
if (p->timer_enabled) { if (p->timer_enabled) {
@ -487,6 +491,8 @@ static void update_timer(pa_rtpoll *p) {
its.it_value.tv_nsec = 1; its.it_value.tv_nsec = 1;
pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0); pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0);
} }
p->timer_armed = p->timer_enabled;
} }
#ifdef __linux__ #ifdef __linux__