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| author | Rich Felker <dalias@aerifal.cx> | 2011-04-06 12:24:34 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-04-06 12:24:34 -0400 |
| commit | a113434cd68ce30642c4995b1caadcd084be6f09 (patch) | |
| tree | b26daaeda2c9e2caf1605615c497a4a84191e01d /src/thread/pthread_cond_timedwait.c | |
| parent | cd3bb38412cfcc3bc47985ba25287e0af463609a (diff) | |
| download | musl-a113434cd68ce30642c4995b1caadcd084be6f09.tar.gz | |
major semaphore improvements (performance and correctness)
1. make sem_[timed]wait interruptible by signals, per POSIX
2. keep a waiter count in order to avoid unnecessary futex wake syscalls
Diffstat (limited to 'src/thread/pthread_cond_timedwait.c')
| -rw-r--r-- | src/thread/pthread_cond_timedwait.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c index 1439aace..7a19fc55 100644 --- a/src/thread/pthread_cond_timedwait.c +++ b/src/thread/pthread_cond_timedwait.c @@ -16,7 +16,8 @@ int pthread_cond_timedwait(pthread_cond_t *c, pthread_mutex_t *m, const struct t if ((r=pthread_mutex_unlock(m))) return r; CANCELPT_BEGIN; - e = __timedwait(&c->_c_block, 1, c->_c_clock, ts, 0); + do e = __timedwait(&c->_c_block, 1, c->_c_clock, ts, 0); + while (e == EINTR); CANCELPT_END; pthread_cleanup_pop(0); |