aboutsummaryrefslogtreecommitdiff
path: root/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-06-05 19:31:57 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-05 19:31:57 +0000
commit4ad0bbf4fa2073b8b2cb81866f68ff3e8c503174 (patch)
tree3b1ca4ddea994a1978a4c1b1a791f8458cce706d /nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
parentb558fd3ab7b8d9d98b7babc51da7de109f69a77e (diff)
downloadglibc-4ad0bbf4fa2073b8b2cb81866f68ff3e8c503174.tar
glibc-4ad0bbf4fa2073b8b2cb81866f68ff3e8c503174.tar.gz
glibc-4ad0bbf4fa2073b8b2cb81866f68ff3e8c503174.tar.bz2
glibc-4ad0bbf4fa2073b8b2cb81866f68ff3e8c503174.zip
Update.
2003-06-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h (pthread_rwlock_t): Change type of __writer element to int. * sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise. * sysdeps/i386/tcb-offsets.sym: Replace SELF entry with TID entry. * sysdeps/x86_64/tcb-offsets.sym: Likewise. * pthread_rwlock_trywrlock.c: Store TID not self pointer in __writer. Compare with TID to determine deadlocks. * sysdeps/pthread/pthread_rwlock_rdlock.c: Likewise. * sysdeps/pthread/pthread_rwlock_timedrdlock.c: Likewise. * sysdeps/pthread/pthread_rwlock_timedwrlock.: Likewise. * sysdeps/pthread/pthread_rwlock_wrlock.c: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise. * Makefile (tests): Add tst-rwlock12. * tst-rwlock12.c: New file.
Diffstat (limited to 'nptl/sysdeps/pthread/pthread_rwlock_rdlock.c')
-rw-r--r--nptl/sysdeps/pthread/pthread_rwlock_rdlock.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c b/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
index 7fb93df1de..f785bb7893 100644
--- a/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
+++ b/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c
@@ -55,9 +55,8 @@ __pthread_rwlock_rdlock (rwlock)
/* Make sure we are not holding the rwlock as a writer. This is
a deadlock situation we recognize and report. */
- if (rwlock->__data.__writer != 0
- && __builtin_expect (rwlock->__data.__writer
- == (pthread_t) THREAD_ID, 0))
+ if (__builtin_expect (rwlock->__data.__writer
+ == THREAD_GETMEM (THREAD_SELF, tid), 0))
{
result = EDEADLK;
break;