diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 10 | ||||
| -rw-r--r-- | nptl/pthread_rwlock_trywrlock.c | 7 | ||||
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c | 6 | ||||
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_rwlock_wrlock.c | 6 |
4 files changed, 16 insertions, 13 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index f9e8999..b83324f 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,13 @@ +2006-08-31 Ulrich Drepper <drepper@redhat.com> + + * pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Undo last + change because it can disturb too much existing code. If real hard + reader preference is needed we'll introduce another type. + * sysdeps/pthread/pthread_rwlock_timedwrlock.c + (pthread_rwlock_timedwrlock): Likewise. + * sysdeps/pthread/pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock): + Likewise. + 2006-08-30 Ulrich Drepper <drepper@redhat.com> * pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Respect diff --git a/nptl/pthread_rwlock_trywrlock.c b/nptl/pthread_rwlock_trywrlock.c index 6376006..b754a19 100644 --- a/nptl/pthread_rwlock_trywrlock.c +++ b/nptl/pthread_rwlock_trywrlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -30,10 +30,7 @@ __pthread_rwlock_trywrlock (rwlock) lll_mutex_lock (rwlock->__data.__lock); - if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0 - /* Respect the preference. */ - && (rwlock->__data.__flags != 0 - || rwlock->__data.__nr_readers_queued == 0)) + if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0) { rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid); result = 0; diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c index ab7bc7b..97c0598 100644 --- a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -40,9 +40,7 @@ pthread_rwlock_timedwrlock (rwlock, abstime) int err; /* Get the rwlock if there is no writer and no reader. */ - if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0 - && (rwlock->__data.__flags != 0 - || rwlock->__data.__nr_readers_queued == 0)) + if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0) { /* Mark self as writer. */ rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid); diff --git a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c index 4d967f2..822aeed 100644 --- a/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -37,9 +37,7 @@ __pthread_rwlock_wrlock (rwlock) while (1) { /* Get the rwlock if there is no writer and no reader. */ - if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0 - && (rwlock->__data.__flags != 0 - || rwlock->__data.__nr_readers_queued == 0)) + if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0) { /* Mark self as writer. */ rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid); |