diff options
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/src/mutex.c | 47 |
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( |