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authorUlrich Drepper <drepper@redhat.com>2003-05-01 23:19:51 +0000
committerUlrich Drepper <drepper@redhat.com>2003-05-01 23:19:51 +0000
commit9a7178d611c8a9b2089cbd8288b623ec3e86da3f (patch)
treeb33e5f3f63e777a1939eebcf23ee7351043861a8 /nptl/pthread_mutex_unlock.c
parentcf20f569ae3e9c1893a45b58f5181ed336ca1c4d (diff)
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Update.
2003-05-01 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/tls.h: Define THREAD_ID. * sysdeps/ia64/tls.h: Likewise. * sysdeps/powerpc/tls.h: Likewise. * sysdeps/s390/tls.h: Likewise. * sysdeps/sh/tls.h: Likewise. * sysdeps/x86_64/tls.h: Likewise. * pthread_mutex_lock.c: Use THREAD_ID instead of THREAD_SELF to record ownership. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pthread_mutex_unlock.c: Likewise. * pthread_rwlock_trywrlock.c: Likewise. * sysdeps/pthread/pthread_rwlocklock_rdlock.c: Likewise. * sysdeps/pthread/pthread_rwlock_timedrdlock.c: Likewise. * sysdeps/pthread/pthread_rwlock_timedwrlock.c: Likewise. * sysdeps/pthread/pthread_rwlock_wrlock.c: Likewise. * sysdeps/pthread/createthread.c (create_thread): Use CLONE_SYSVSEM flag.
Diffstat (limited to 'nptl/pthread_mutex_unlock.c')
-rw-r--r--nptl/pthread_mutex_unlock.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/nptl/pthread_mutex_unlock.c b/nptl/pthread_mutex_unlock.c
index 3595585..975127d 100644
--- a/nptl/pthread_mutex_unlock.c
+++ b/nptl/pthread_mutex_unlock.c
@@ -30,23 +30,19 @@ __pthread_mutex_unlock (mutex)
{
case PTHREAD_MUTEX_RECURSIVE_NP:
/* Recursive mutex. */
- if (mutex->__data.__owner != THREAD_SELF)
+ if (mutex->__data.__owner != THREAD_ID)
return EPERM;
if (--mutex->__data.__count != 0)
/* We still hold the mutex. */
return 0;
-
- mutex->__data.__owner = NULL;
break;
case PTHREAD_MUTEX_ERRORCHECK_NP:
/* Error checking mutex. */
- if (mutex->__data.__owner != THREAD_SELF
+ if (mutex->__data.__owner != THREAD_ID
|| ! lll_mutex_islocked (mutex->__data.__lock))
return EPERM;
-
- mutex->__data.__owner = NULL;
break;
default:
@@ -57,6 +53,9 @@ __pthread_mutex_unlock (mutex)
break;
}
+ /* Always reset the owner field. */
+ mutex->__data.__owner = NULL;
+
/* Unlock. */
lll_mutex_unlock (mutex->__data.__lock);