1 files changed, 2 insertions, 0 deletions

diff --git a/include/semaphore.h b/include/semaphore.h
index c42a8d230ec2..e220fd2c4dad 100644
--- a/include/semaphore.h
+++ b/include/semaphore.h
@@ -59,6 +59,8 @@ int	 sem_init(sem_t *, int, unsigned int);
 sem_t	*sem_open(const char *, int, ...);
 int	 sem_post(sem_t *);
 int	 sem_timedwait(sem_t * __restrict, const struct timespec * __restrict);
+int	 sem_clockwait_np(sem_t * __restrict, __clockid_t, int,
+	    const struct timespec *, struct timespec *);
 int	 sem_trywait(sem_t *);
 int	 sem_unlink(const char *);
 int	 sem_wait(sem_t *);