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| author | Matt Prodani <mattp@nyu.edu> | 2024-01-30 21:22:17 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-30 21:22:17 (GMT) |
| commit | e5e186609fdd74bc53e8478da22b76440d996baa (patch) | |
| tree | e9b59d9f6fe02ea4799f1c969467c95a7d749097 /Python | |
| parent | fda7445ca50b892955fc31bd72a3615fef1d70c6 (diff) | |
| download | cpython-e5e186609fdd74bc53e8478da22b76440d996baa.zip cpython-e5e186609fdd74bc53e8478da22b76440d996baa.tar.gz cpython-e5e186609fdd74bc53e8478da22b76440d996baa.tar.bz2 | |
gh-112606: Use pthread_cond_timedwait_relative_np() in parking_lot.c when available (#112616)
Add a configure define for HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP and
replaces pthread_cond_timedwait() with pthread_cond_timedwait_relative_np()
for relative time when supported in semaphore waiting logic.
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/parking_lot.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Python/parking_lot.c b/Python/parking_lot.c index d44c1b4..c83d744 100644 --- a/Python/parking_lot.c +++ b/Python/parking_lot.c @@ -158,11 +158,15 @@ _PySemaphore_PlatformWait(_PySemaphore *sema, _PyTime_t timeout) if (sema->counter == 0) { if (timeout >= 0) { struct timespec ts; - +#if defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP) + _PyTime_AsTimespec_clamp(timeout, &ts); + err = pthread_cond_timedwait_relative_np(&sema->cond, &sema->mutex, &ts); +#else _PyTime_t deadline = _PyTime_Add(_PyTime_GetSystemClock(), timeout); _PyTime_AsTimespec_clamp(deadline, &ts); err = pthread_cond_timedwait(&sema->cond, &sema->mutex, &ts); +#endif // HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP } else { err = pthread_cond_wait(&sema->cond, &sema->mutex); |