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Base mainloop on pa_rtclock_now()

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Move the mainloop to monotonic based time events.

Introduces 4 helper functions:
pa_{context,core}_rttime_{new,restart}(), that fill correctly a
timeval with the rtclock flag set if the mainloop supports it.

Both mainloop-test and mainloop-test-glib works with rt and timeval
based time events. PulseAudio and clients should be fully functional.

This patch has received several iterations, and this one as been
largely untested.

Signed-off-by: Marc-André Lureau <marca-andre.lureau@nokia.com>
This commit is contained in:
Marc-André Lureau 2009-04-05 02:13:43 +03:00 • committed by Marc-André Lureau
parent 125c528896
commit 0955e3d45b
42 changed files with 311 additions and 233 deletions
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35
src/pulsecore/core-rtclock.c
View file

@ -150,3 +150,38 @@ pa_usec_t pa_timespec_load(const struct timespec *ts) {
(pa_usec_t) ts->tv_sec * PA_USEC_PER_SEC +
(pa_usec_t) ts->tv_nsec / PA_NSEC_PER_USEC;
}
static struct timeval* wallclock_from_rtclock(struct timeval *tv) {
#ifdef HAVE_CLOCK_GETTIME
struct timeval wc_now, rt_now;
pa_gettimeofday(&wc_now);
pa_rtclock_get(&rt_now);
pa_assert(tv);
if (pa_timeval_cmp(&rt_now, tv) < 0)
pa_timeval_add(&wc_now, pa_timeval_diff(tv, &rt_now));
else
pa_timeval_sub(&wc_now, pa_timeval_diff(&rt_now, tv));
*tv = wc_now;
#endif
return tv;
}
struct timeval* pa_timeval_rtstore(struct timeval *tv, pa_usec_t v, pa_bool_t rtclock) {
pa_assert(tv);
pa_timeval_store(tv, v);
if (rtclock)
tv->tv_usec |= PA_TIMEVAL_RTCLOCK;
else
wallclock_from_rtclock(tv);
return tv;
}