1 files changed, 42 insertions, 0 deletions
diff --git a/cpukit/posix/src/semtrywait.c b/cpukit/posix/src/semtrywait.c
new file mode 100644
index 0000000000..fdf50be29d
--- /dev/null
+++ b/cpukit/posix/src/semtrywait.c
@@ -0,0 +1,42 @@
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdarg.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <limits.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/posix/semaphore.h>
+#include <rtems/posix/time.h>
+#include <rtems/seterr.h>
+
+/*PAGE
+ *
+ *  11.2.6 Lock a Semaphore, P1003.1b-1993, p.226
+ *
+ *  NOTE: P1003.4b/D8 adds sem_timedwait(), p. 27
+ */
+
+int sem_trywait(
+  sem_t *sem
+)
+{
+  return _POSIX_Semaphore_Wait_support(sem, false, THREAD_QUEUE_WAIT_FOREVER);
+}