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| author | davidxu <davidxu@FreeBSD.org> | 2010-09-29 06:06:58 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2010-09-29 06:06:58 +0000 |
| commit | df6acfd7c436d98725e8dab37393e51f4f394496 (patch) | |
| tree | 5668b6c8a528faa678958c0193eea7a8c669021e /lib/libthr/thread | |
| parent | 1ffab4f669c64f75d49675ad6283c168655d9f0b (diff) | |
| download | FreeBSD-src-df6acfd7c436d98725e8dab37393e51f4f394496.zip FreeBSD-src-df6acfd7c436d98725e8dab37393e51f4f394496.tar.gz | |
Check invalid mutex in _mutex_cv_unlock.
Diffstat (limited to 'lib/libthr/thread')
| -rw-r--r-- | lib/libthr/thread/thr_mutex.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_mutex.c b/lib/libthr/thread/thr_mutex.c index 12ff1df..a83454a 100644 --- a/lib/libthr/thread/thr_mutex.c +++ b/lib/libthr/thread/thr_mutex.c @@ -636,6 +636,12 @@ _mutex_cv_unlock(pthread_mutex_t *mutex, int *count) struct pthread_mutex *m; m = *mutex; + if (__predict_false(m <= THR_MUTEX_DESTROYED)) { + if (m == THR_MUTEX_DESTROYED) + return (EINVAL); + return (EPERM); + } + /* * Check if the running thread is not the owner of the mutex. */ |
