diff options
Diffstat (limited to 'linuxthreads/mutex.c')
| -rw-r--r-- | linuxthreads/mutex.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/linuxthreads/mutex.c b/linuxthreads/mutex.c index 9ce4a30820..9b4a3c7f56 100644 --- a/linuxthreads/mutex.c +++ b/linuxthreads/mutex.c @@ -163,6 +163,8 @@ int __pthread_mutex_unlock(pthread_mutex_t * mutex) __pthread_unlock(&mutex->__m_lock); return 0; case PTHREAD_MUTEX_RECURSIVE_NP: + if (mutex->__m_owner != thread_self()) + return EPERM; if (mutex->__m_count > 0) { mutex->__m_count--; return 0; |