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diff --git a/cpukit/include/rtems/posix/semaphore.h b/cpukit/include/rtems/posix/semaphore.h
new file mode 100644
index 0000000000..9133db22be
--- /dev/null
+++ b/cpukit/include/rtems/posix/semaphore.h
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+/**
+ * @file
+ *
+ * @brief Private Support Information for POSIX Semaphores
+ *
+ * This include file contains all the private support information for
+ * POSIX Semaphores.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2011.
+ *  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.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_POSIX_SEMAPHORE_H
+#define _RTEMS_POSIX_SEMAPHORE_H
+
+#include <semaphore.h>
+#include <rtems/score/object.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup POSIXSemaphorePrivate POSIX Semaphore Private Support
+ *
+ * @ingroup POSIXAPI
+ *
+ * This defines the internal implementation support for POSIX semaphores.
+ */
+/**@{*/
+
+/*
+ *  Data Structure used to manage a POSIX semaphore
+ */
+
+typedef struct {
+   Objects_Control Object;
+   sem_t           Semaphore;
+   bool            linked;
+   uint32_t        open_count;
+}  POSIX_Semaphore_Control;
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*  end of include file */