1 files changed, 3 insertions, 0 deletions
diff --git a/semaphore.h b/semaphore.h
index 5b6ca63..ce135bf 100644
--- a/semaphore.h
+++ b/semaphore.h
@@ -80,6 +80,9 @@ int sem_trywait (sem_t * sem);
 
 int sem_wait (sem_t * sem);
 
+int sem_timedwait (sem_t * sem,
+                   const struct timespec * abstime);
+
 int sem_post (sem_t * sem);
 
 int sem_post_multiple (sem_t * sem,