diff options
Diffstat (limited to 'nptl/pthread_rwlock_unlock.c')
| -rw-r--r-- | nptl/pthread_rwlock_unlock.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/nptl/pthread_rwlock_unlock.c b/nptl/pthread_rwlock_unlock.c index d2ad4b0375..bdd115d6bd 100644 --- a/nptl/pthread_rwlock_unlock.c +++ b/nptl/pthread_rwlock_unlock.c @@ -19,6 +19,7 @@ #include <errno.h> #include <sysdep.h> #include <lowlevellock.h> +#include <futex-internal.h> #include <pthread.h> #include <pthreadP.h> #include <stap-probe.h> @@ -29,6 +30,9 @@ int __pthread_rwlock_unlock (pthread_rwlock_t *rwlock) { + int futex_shared = + rwlock->__data.__shared == LLL_PRIVATE ? FUTEX_PRIVATE : FUTEX_SHARED; + LIBC_PROBE (rwlock_unlock, 1, rwlock); if (ELIDE_UNLOCK (rwlock->__data.__writer == 0 @@ -51,16 +55,15 @@ __pthread_rwlock_unlock (pthread_rwlock_t *rwlock) { ++rwlock->__data.__writer_wakeup; lll_unlock (rwlock->__data.__lock, rwlock->__data.__shared); - lll_futex_wake (&rwlock->__data.__writer_wakeup, 1, - rwlock->__data.__shared); + futex_wake (&rwlock->__data.__writer_wakeup, 1, futex_shared); return 0; } else if (rwlock->__data.__nr_readers_queued) { ++rwlock->__data.__readers_wakeup; lll_unlock (rwlock->__data.__lock, rwlock->__data.__shared); - lll_futex_wake (&rwlock->__data.__readers_wakeup, INT_MAX, - rwlock->__data.__shared); + futex_wake (&rwlock->__data.__readers_wakeup, INT_MAX, + futex_shared); return 0; } } |