1 files changed, 102 insertions, 0 deletions
diff --git a/cpukit/include/rtems/rtems/semdata.h b/cpukit/include/rtems/rtems/semdata.h
new file mode 100644
index 0000000000..04db07d6a0
--- /dev/null
+++ b/cpukit/include/rtems/rtems/semdata.h
@@ -0,0 +1,102 @@
+/**
+ * @file
+ *
+ * @ingroup ClassicSemImpl
+ *
+ * @brief Classic Semaphore Manager Data Structures
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2008, 2016.
+ * 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_RTEMS_SEMDATA_H
+#define _RTEMS_RTEMS_SEMDATA_H
+
+#include <rtems/rtems/sem.h>
+#include <rtems/score/coremutex.h>
+#include <rtems/score/coresem.h>
+#include <rtems/score/mrsp.h>
+#include <rtems/score/object.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup ClassicSemImpl
+ *
+ * @{
+ */
+
+/**
+ *  The following defines the control block used to manage each semaphore.
+ */
+typedef struct {
+  /** This field is the object management portion of a Semaphore instance. */
+  Objects_Control          Object;
+
+  /**
+   *  This contains the memory associated with the SuperCore Semaphore or
+   *  Mutex instance that provides the primary functionality of each
+   *  Classic API Semaphore instance.  The structure used is dependent
+   *  on the attributes specified by the user on the create directive.
+   *
+   *  @note Only one of these has meaning in a particular Classic API
+   *        Semaphore instance.
+   */
+  union {
+    /**
+     * @brief The thread queue present in all other variants.
+     */
+    Thread_queue_Control Wait_queue;
+
+    /**
+     *  This is the SuperCore Mutex instance associated with this Classic
+     *  API Semaphore instance.
+     */
+    CORE_ceiling_mutex_Control Mutex;
+
+    /**
+     *  This is the SuperCore Semaphore instance associated with this Classic
+     *  API Semaphore instance.
+     */
+    CORE_semaphore_Control Semaphore;
+
+#if defined(RTEMS_SMP)
+    MRSP_Control MRSP;
+#endif
+  } Core_control;
+
+  /**
+   * @brief The semaphore variant.
+   *
+   * @see Semaphore_Variant.
+   */
+  unsigned int variant : 3;
+
+  /**
+   * @brief The semaphore thread queue discipline.
+   *
+   * @see Semaphore_Discipline.
+   */
+  unsigned int discipline : 1;
+
+#if defined(RTEMS_MULTIPROCESSING)
+  unsigned int is_global : 1;
+#endif
+}   Semaphore_Control;
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*  end of include file */