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-rw-r--r--include/semaphore.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/semaphore.h b/include/semaphore.h
index 8acb768..657e796 100644
--- a/include/semaphore.h
+++ b/include/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -45,10 +45,12 @@ extern int sem_wait (sem_t *sem);
without blocking. */
extern int sem_trywait (sem_t *sem);
+#ifdef __USE_XOPEN2K
/* Perform a down operation on semaphore *SEM but don't wait longer
than TIMEOUT. */
extern int sem_timedwait (sem_t *__restrict sem,
const struct timespec *__restrict timeout);
+#endif
/* Perform an up operation on semaphore *SEM. */
extern int sem_post (sem_t *sem);