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Check invalid mutex in _mutex_cv_unlock.

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This commit is contained in:
David Xu 2010-09-29 06:06:58 +00:00
parent 8d2a935e45
commit ec92603cf9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=213257
1 changed files with 6 additions and 0 deletions
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6
lib/libthr/thread/thr_mutex.c
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@ -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.
*/