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diff --git a/cpukit/posix/include/semaphore.h b/cpukit/posix/include/semaphore.h
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+++ b/cpukit/posix/include/semaphore.h
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+/**
+ * @file semaphore.h
+ */
+
+/*
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifndef _SEMAPHORE_H
+#define _SEMAPHORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <unistd.h>
+
+#if defined(_POSIX_SEMAPHORES)
+
+#include <sys/time.h>
+
+/*
+ *  11.1 Semaphore Characteristics, P1003.1b-1993, p.219
+ */
+typedef int sem_t;
+
+/*
+ *  Bad semaphore Id
+ */
+#define SEM_FAILED (sem_t *) -1
+
+/*
+ *  11.2.1 Initialize an Unnamed Semaphore, P1003.1b-1993, p.219
+ */
+int sem_init(
+  sem_t         *sem,
+  int            pshared,
+  unsigned int   value
+);
+
+/*
+ *  11.2.2 Destroy an Unnamed Semaphore, P1003.1b-1993, p.220
+ */
+int sem_destroy(
+  sem_t *sem
+);
+
+/*
+ *  11.2.3 Initialize/Open a Named Semaphore, P1003.1b-1993, p.221
+ *
+ *  NOTE: Follows open() calling conventions.
+ */
+sem_t *sem_open(
+  const char *name,
+  int         oflag,
+  ...
+);
+
+/*
+ *  11.2.4 Close a Named Semaphore, P1003.1b-1993, p.224
+ */
+int sem_close(
+  sem_t *sem
+);
+
+/*
+ *  11.2.5 Remove a Named Semaphore, P1003.1b-1993, p.225
+ */
+int sem_unlink(
+  const char *name
+);
+
+/*
+ *  11.2.6 Lock a Semaphore, P1003.1b-1993, p.226
+ *
+ *  NOTE: P1003.4b/D8 adds sem_timedwait(), p. 27
+ */
+int sem_wait(
+  sem_t *sem
+);
+
+int sem_trywait(
+  sem_t *sem
+);
+
+#if defined(_POSIX_TIMEOUTS)
+int sem_timedwait(
+  sem_t                 *sem,
+  const struct timespec *timeout
+);
+#endif
+
+/*
+ *  11.2.7 Unlock a Semaphore, P1003.1b-1993, p.227
+ */
+
+int sem_post(
+  sem_t  *sem
+);
+
+/*
+ *  11.2.8 Get the Value of a Semaphore, P1003.1b-1993, p.229
+ */
+
+int sem_getvalue(
+  sem_t  *sem,
+  int    *sval
+);
+
+#endif   /* _POSIX_SEMAPHORES */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */