1 files changed, 66 insertions, 0 deletions
diff --git a/cpukit/posix/src/sempost.c b/cpukit/posix/src/sempost.c
new file mode 100644
index 0000000000..785ad3d966
--- /dev/null
+++ b/cpukit/posix/src/sempost.c
@@ -0,0 +1,66 @@
+/*
+ *  COPYRIGHT (c) 1989-2007.
+ *  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
+ *
+ *  11.2.7 Unlock a Semaphore, P1003.1b-1993, p.227
+ */
+
+int sem_post(
+  sem_t  *sem
+)
+{
+  register POSIX_Semaphore_Control *the_semaphore;
+  Objects_Locations                 location;
+
+  the_semaphore = _POSIX_Semaphore_Get( sem, &location );
+  switch ( location ) {
+
+    case OBJECTS_LOCAL:
+      _CORE_semaphore_Surrender(
+        &the_semaphore->Semaphore,
+        the_semaphore->Object.id,
+#if defined(RTEMS_MULTIPROCESSING)
+        NULL         /* XXX need to define a routine to handle this case */
+#else
+        NULL
+#endif
+      );
+      _Thread_Enable_dispatch();
+      return 0;
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+#endif
+    case OBJECTS_ERROR:
+      break;
+  }
+
+  rtems_set_errno_and_return_minus_one( EINVAL );
+}