diff options
Diffstat (limited to 'lib/libthr/thread/thr_mutex.c')
-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. */ |