diff options
| author | rpj <rpj> | 2005-05-08 16:52:50 +0000 |
|---|---|---|
| committer | rpj <rpj> | 2005-05-08 16:52:50 +0000 |
| commit | 7395b1431d5e2160682de273b46252c747ccbf36 (patch) | |
| tree | bcff10e33282212ae087bb5074bc6025fc1313a3 /pthread_mutex_lock.c | |
| parent | 78f83cfa240ec14874b22c7302ff8d306c130aaf (diff) | |
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Diffstat (limited to 'pthread_mutex_lock.c')
| -rw-r--r-- | pthread_mutex_lock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pthread_mutex_lock.c b/pthread_mutex_lock.c index 301f7bf..4ca5c25 100644 --- a/pthread_mutex_lock.c +++ b/pthread_mutex_lock.c @@ -49,6 +49,10 @@ pthread_mutex_lock (pthread_mutex_t * mutex) /* * Let the system deal with invalid pointers. */ + if (*mutex == NULL) + { + return EINVAL; + } /* * We do a quick check to see if we need to do more work |