diff options
Diffstat (limited to 'src/pulsecore/core-rtclock.c')
| -rw-r--r-- | src/pulsecore/core-rtclock.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/pulsecore/core-rtclock.c b/src/pulsecore/core-rtclock.c index 3b3e3a64..1420470a 100644 --- a/src/pulsecore/core-rtclock.c +++ b/src/pulsecore/core-rtclock.c @@ -132,6 +132,8 @@ struct timeval* pa_rtclock_from_wallclock(struct timeval *tv) { pa_assert(tv); + /* pa_timeval_sub() saturates on underflow! */ + if (pa_timeval_cmp(&wc_now, tv) < 0) pa_timeval_add(&rt_now, pa_timeval_diff(tv, &wc_now)); else @@ -144,13 +146,29 @@ struct timeval* pa_rtclock_from_wallclock(struct timeval *tv) { } pa_usec_t pa_timespec_load(const struct timespec *ts) { - pa_assert(ts); + + if (PA_UNLIKELY(!ts)) + return PA_USEC_INVALID; return (pa_usec_t) ts->tv_sec * PA_USEC_PER_SEC + (pa_usec_t) ts->tv_nsec / PA_NSEC_PER_USEC; } +struct timespec* pa_timespec_store(struct timespec *ts, pa_usec_t v) { + pa_assert(ts); + + if (PA_UNLIKELY(v == PA_USEC_INVALID)) { + ts->tv_sec = PA_INT_TYPE_MAX(time_t); + ts->tv_nsec = (long) (PA_NSEC_PER_SEC-1); + return NULL; + } + + ts->tv_sec = (time_t) (v / PA_USEC_PER_SEC); + ts->tv_nsec = (long) ((v % PA_USEC_PER_SEC) * PA_NSEC_PER_USEC); + + return ts; +} static struct timeval* wallclock_from_rtclock(struct timeval *tv) { @@ -162,6 +180,8 @@ static struct timeval* wallclock_from_rtclock(struct timeval *tv) { pa_assert(tv); + /* pa_timeval_sub() saturates on underflow! */ + if (pa_timeval_cmp(&rt_now, tv) < 0) pa_timeval_add(&wc_now, pa_timeval_diff(tv, &rt_now)); else |