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+/* rtems/posix/mutex.h
+ *
+ * This include file contains all the private support information for
+ * POSIX mutex's.
+ *
+ * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#ifndef __RTEMS_POSIX_MUTEX_h
+#define __RTEMS_POSIX_MUTEX_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Data Structure used to manage a POSIX mutex
+ */
+
+typedef struct {
+ Objects_Control Object;
+ int process_shared;
+ CORE_mutex_Control Mutex;
+} POSIX_Mutex_Control;
+
+/*
+ * The following defines the information control block used to manage
+ * this class of objects.
+ */
+
+EXTERN Objects_Information _POSIX_Mutex_Information;
+
+/*
+ * _POSIX_Mutex_Manager_initialization
+ *
+ * DESCRIPTION:
+ *
+ * This routine performs the initialization necessary for this manager.
+ */
+
+void _POSIX_Mutex_Manager_initialization(
+ unsigned32 maximum_mutexes
+);
+
+/*
+ * _POSIX_Mutex_Allocate
+ *
+ * DESCRIPTION:
+ *
+ * This function allocates a mutexes control block from
+ * the inactive chain of free mutexes control blocks.
+ */
+
+STATIC INLINE POSIX_Mutex_Control *_POSIX_Mutex_Allocate( void );
+
+/*
+ * _POSIX_Mutex_Free
+ *
+ * DESCRIPTION:
+ *
+ * This routine frees a mutexes control block to the
+ * inactive chain of free mutexes control blocks.
+ */
+
+STATIC INLINE void _POSIX_Mutex_Free (
+ POSIX_Mutex_Control *the_mutex
+);
+
+/*
+ * _POSIX_Mutex_Get
+ *
+ * DESCRIPTION:
+ *
+ * This function maps mutexes IDs to mutexes control blocks.
+ * If ID corresponds to a local mutexes, then it returns
+ * the_mutex control pointer which maps to ID and location
+ * is set to OBJECTS_LOCAL. if the mutexes ID is global and
+ * resides on a remote node, then location is set to OBJECTS_REMOTE,
+ * and the_mutex is undefined. Otherwise, location is set
+ * to OBJECTS_ERROR and the_mutex is undefined.
+ */
+
+STATIC INLINE POSIX_Mutex_Control *_POSIX_Mutex_Get (
+ Objects_Id *id,
+ Objects_Locations *location
+);
+
+/*
+ * _POSIX_Mutex_Is_null
+ *
+ * DESCRIPTION:
+ *
+ * This function returns TRUE if the_mutex is NULL and FALSE otherwise.
+ */
+
+STATIC INLINE boolean _POSIX_Mutex_Is_null (
+ POSIX_Mutex_Control *the_mutex
+);
+
+#include <rtems/posix/mutex.inl>
+#include <rtems/posix/mutexmp.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */
+