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-rw-r--r--cpukit/score/src/mutex.c47
1 files changed, 37 insertions, 10 deletions
diff --git a/cpukit/score/src/mutex.c b/cpukit/score/src/mutex.c
index f7e35093b2..40e6baa12c 100644
--- a/cpukit/score/src/mutex.c
+++ b/cpukit/score/src/mutex.c
@@ -1,7 +1,9 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
/**
* @file
*
- * @ingroup RTEMSScore
+ * @ingroup RTEMSScoreSysLockMutex
*
* @brief This source file contains the implementation of
* _Mutex_Acquire(), _Mutex_Acquire_timed(), _Mutex_Acquire_timed_ticks(),
@@ -11,17 +13,28 @@
*/
/*
- * Copyright (c) 2015, 2016 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2015, 2016 embedded brains GmbH & Co. KG
*
- * embedded brains GmbH
- * Dornierstr. 4
- * 82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
*
- * 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.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
@@ -36,6 +49,20 @@
#include <rtems/score/threadimpl.h>
#include <rtems/score/todimpl.h>
+/**
+ * @defgroup RTEMSScoreSysLockMutex System Lock Mutex Handler
+ *
+ * @ingroup RTEMSScore
+ *
+ * @brief This group contains the System Lock Mutex Handler implementation.
+ *
+ * The interfaces are defined by Newlib in <sys/lock.h>. The system lock
+ * mutexes are used for Newlib internal locking, the C++ standard library
+ * provided by GCC, the OpenMP support provided by GCC, the self-contained
+ * objects API provided by RTEMS, and the SuperCore internal mutexes such as
+ * the objects allocator lock (see ::API_Mutex_Control).
+ */
+
#define MUTEX_TQ_OPERATIONS &_Thread_queue_Operations_priority_inherit
RTEMS_STATIC_ASSERT(