diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-02-27 10:32:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-02-27 10:32:38 +0000 |
| commit | d2637c70532ba49bf41b25c6aaf1b5d2b09d4aed (patch) | |
| tree | 055a8b0bf4eb4462552352fbe52793c09f82fdcf /nptl/sysdeps/pthread | |
| parent | e361e438a115275fdd56eb25a52b798127adae76 (diff) | |
| download | glibc-d2637c70532ba49bf41b25c6aaf1b5d2b09d4aed.zip glibc-d2637c70532ba49bf41b25c6aaf1b5d2b09d4aed.tar.gz glibc-d2637c70532ba49bf41b25c6aaf1b5d2b09d4aed.tar.bz2 | |
Update.
2003-02-24 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.S (__syscall_error): Fix
unwind info.
Diffstat (limited to 'nptl/sysdeps/pthread')
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_rwlock_unlock.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_unlock.c b/nptl/sysdeps/pthread/pthread_rwlock_unlock.c index 6e0c92b..9cae8b6 100644 --- a/nptl/sysdeps/pthread/pthread_rwlock_unlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_unlock.c @@ -24,27 +24,32 @@ #include <pthreadP.h> /* Unlock RWLOCK. */ -int __pthread_rwlock_unlock (pthread_rwlock_t *rwlock) +int +__pthread_rwlock_unlock (pthread_rwlock_t *rwlock) { - lll_mutex_lock(rwlock->__data.__lock); + lll_mutex_lock (rwlock->__data.__lock); if (rwlock->__data.__writer) rwlock->__data.__writer = 0; else - rwlock->__data.__nr_readers--; - if (!rwlock->__data.__nr_readers) + --rwlock->__data.__nr_readers; + if (rwlock->__data.__nr_readers == 0) { if (rwlock->__data.__nr_writers_queued) { ++rwlock->__data.__writer_wakeup; - lll_futex_wake(&rwlock->__data.__writer_wakeup, 1); + lll_mutex_unlock (rwlock->__data.__lock); + lll_futex_wake (&rwlock->__data.__writer_wakeup, 1); + return 0; } - else + else if (rwlock->__data.__nr_readers_queued) { ++rwlock->__data.__readers_wakeup; - lll_futex_wake(&rwlock->__data.__readers_wakeup, INT_MAX); + lll_mutex_unlock (rwlock->__data.__lock); + lll_futex_wake (&rwlock->__data.__readers_wakeup, INT_MAX); + return 0; } } - lll_mutex_unlock(rwlock->__data.__lock); + lll_mutex_unlock (rwlock->__data.__lock); return 0; } |