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| author | Rich Felker <dalias@aerifal.cx> | 2011-03-24 23:05:17 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-03-24 23:05:17 -0400 |
| commit | c322fe4e1a9bcc20f7a2ded1ac0e1674ea282bc0 (patch) | |
| tree | d09602930aeb632a17ad271e0775499790a02b2e /src/thread | |
| parent | 8ae2fa65636b732e04e19b2521edc335867ba53b (diff) | |
| download | musl-c322fe4e1a9bcc20f7a2ded1ac0e1674ea282bc0.tar.gz musl-c322fe4e1a9bcc20f7a2ded1ac0e1674ea282bc0.tar.xz musl-c322fe4e1a9bcc20f7a2ded1ac0e1674ea282bc0.zip | |
optimize spinlock spin
Diffstat (limited to 'src/thread')
| -rw-r--r-- | src/thread/pthread_spin_lock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/pthread_spin_lock.c b/src/thread/pthread_spin_lock.c index 59fa6ea8..9e43f475 100644 --- a/src/thread/pthread_spin_lock.c +++ b/src/thread/pthread_spin_lock.c @@ -2,6 +2,6 @@ int pthread_spin_lock(pthread_spinlock_t *s) { - while (a_xchg(s, 1)); + while (*s || a_xchg(s, 1)); return 0; } |