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| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-03 21:26:07 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-03 21:26:07 +0000 |
| commit | be095ffaf426d462028b836432ef3ba32d45e3a5 (patch) | |
| tree | 1bb4083f04a4b9e164991ad4d027e166b7198149 | |
| parent | 868b9d6a268d5f79282079875d1ba719ef013303 (diff) | |
| download | glibc-be095ffaf426d462028b836432ef3ba32d45e3a5.tar.gz glibc-be095ffaf426d462028b836432ef3ba32d45e3a5.tar.xz glibc-be095ffaf426d462028b836432ef3ba32d45e3a5.zip | |
(pthread_rwlock_timedwrlock): Fix clobber of result variable by lll_futex_timed_wait call.
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c index 0715f835af..e4d08ea657 100644 --- a/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c @@ -37,6 +37,8 @@ pthread_rwlock_timedwrlock (rwlock, abstime) while (1) { + int err; + /* Get the rwlock if there is no writer and no reader. */ if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0) { @@ -101,8 +103,8 @@ pthread_rwlock_timedwrlock (rwlock, abstime) lll_mutex_unlock (rwlock->__data.__lock); /* Wait for the writer or reader(s) to finish. */ - result = lll_futex_timed_wait (&rwlock->__data.__writer_wakeup, - waitval, &rt); + err = lll_futex_timed_wait (&rwlock->__data.__writer_wakeup, + waitval, &rt); /* Get the lock. */ lll_mutex_lock (rwlock->__data.__lock); @@ -111,7 +113,7 @@ pthread_rwlock_timedwrlock (rwlock, abstime) --rwlock->__data.__nr_writers_queued; /* Did the futex call time out? */ - if (result == -ETIMEDOUT) + if (err == -ETIMEDOUT) { result = ETIMEDOUT; break; |