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| author | Roland McGrath <roland@hack.frob.com> | 2014-07-10 10:57:57 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2014-07-10 10:57:57 -0700 |
| commit | 887865fcfab05939dabec78f5ad358d0283602d3 (patch) | |
| tree | 91b4182f7d892a8bb784c8ac9f9caba22117387e /nptl | |
| parent | 585367266923156ac6fb789939a923641ba5aaf4 (diff) | |
| download | glibc-887865fcfab05939dabec78f5ad358d0283602d3.zip glibc-887865fcfab05939dabec78f5ad358d0283602d3.tar.gz glibc-887865fcfab05939dabec78f5ad358d0283602d3.tar.bz2 | |
Get rid of lll_robust_trylock.
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/pthread_mutex_trylock.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c index e46f22c..0867b06 100644 --- a/nptl/pthread_mutex_trylock.c +++ b/nptl/pthread_mutex_trylock.c @@ -72,7 +72,7 @@ __pthread_mutex_trylock (mutex) elision: if (lll_trylock_elision (mutex->__data.__lock, mutex->__data.__elision) != 0) - break; + break; /* Don't record the ownership. */ return 0; @@ -159,7 +159,8 @@ __pthread_mutex_trylock (mutex) } } - oldval = lll_robust_trylock (mutex->__data.__lock, id); + oldval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock, + id, 0); if (oldval != 0 && (oldval & FUTEX_OWNER_DIED) == 0) { THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); |