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/* ----------------------------------------------------------------------------
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* Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
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* Description: Mutex Debug Private HeadFile
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* Author: Huawei LiteOS Team
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* Create: 2013-01-01
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --------------------------------------------------------------------------- */
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/*这个头文件定义了一些用于互斥锁（mutex）调试的接口和函数，包括死锁检测、互斥锁状态跟踪、互斥锁泄漏检查等。
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这些接口和函数主要用于开发人员在调试过程中分析互斥锁的使用情况，帮助找出潜在的问题并解决它们。*/
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#ifndef _LOS_MUX_DEBUG_PRI_H
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#define _LOS_MUX_DEBUG_PRI_H
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#include "los_mux_pri.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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//初始化死锁检测机制
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/* Deadlock detection initialization interface */
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extern UINT32 OsMuxDlockCheckInit(VOID);
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STATIC INLINE UINT32 OsMuxDlockCheckInitHook(VOID)
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{
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#ifdef LOSCFG_DEBUG_MUTEX_DEADLOCK
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return OsMuxDlockCheckInit();
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#else
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return LOS_OK;
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#endif
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}
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//向死锁检测机制中添加任务持有的互斥锁信息
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/* Add holding mutex lock node information */
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extern VOID OsMuxDlockNodeInsert(UINT32 taskId, VOID *muxCB);
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STATIC INLINE VOID OsMuxDlockNodeInsertHook(UINT32 taskId, VOID *muxCB)
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{
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#ifdef LOSCFG_DEBUG_MUTEX_DEADLOCK
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OsMuxDlockNodeInsert(taskId, muxCB);
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#endif
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}
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//从死锁检测机制中删除任务持有的互斥锁信息
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/* Delete holding mutex lock node information */
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extern VOID OsMuxDlockNodeDelete(UINT32 taskId, const VOID *muxCB);
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STATIC INLINE VOID OsMuxDlockNodeDeleteHook(UINT32 taskId, const VOID *muxCB)
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{
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#ifdef LOSCFG_DEBUG_MUTEX_DEADLOCK
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OsMuxDlockNodeDelete(taskId, muxCB);
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#endif
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}
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//更新任务最后执行的时间
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/* Update the last time the task was executed */
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extern VOID OsTaskTimeUpdate(UINT32 taskId, UINT64 tickCount);
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STATIC INLINE VOID OsTaskTimeUpdateHook(UINT32 taskId, UINT64 tickCount)
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{
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#ifdef LOSCFG_DEBUG_MUTEX_DEADLOCK
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OsTaskTimeUpdate(taskId, tickCount);
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#endif
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}
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//初始化互斥锁状态跟踪机制
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/* mutex debug initialization interface */
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extern UINT32 OsMuxDbgInit(VOID);
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STATIC INLINE UINT32 OsMuxDbgInitHook(VOID)
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{
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#ifdef LOSCFG_DEBUG_MUTEX
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return OsMuxDbgInit();
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#else
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return LOS_OK;
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#endif
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}
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//更新互斥锁最后执行的时间
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/* Update the last time the mutex was executed */
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extern VOID OsMuxDbgTimeUpdate(UINT32 muxId);
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STATIC INLINE VOID OsMuxDbgTimeUpdateHook(UINT32 muxId)
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{
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#ifdef LOSCFG_DEBUG_MUTEX
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OsMuxDbgTimeUpdate(muxId);
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#endif
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}
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//在创建或删除互斥锁时更新互斥锁的状态跟踪信息
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/* Update the MUX_DEBUG_CB of the mutex when created or deleted */
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extern VOID OsMuxDbgUpdate(UINT32 muxID, TSK_ENTRY_FUNC creator);
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STATIC INLINE VOID OsMuxDbgUpdateHook(UINT32 muxId, TSK_ENTRY_FUNC creator)
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{
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#ifdef LOSCFG_DEBUG_MUTEX
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OsMuxDbgUpdate(muxId, creator);
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#endif
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}
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//检查互斥锁是否泄漏
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/* check the leak of mutex */
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extern VOID OsMutexCheck(VOID);
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STATIC INLINE VOID OsMutexCheckHook(VOID)
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{
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#ifdef LOSCFG_DEBUG_MUTEX
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OsMutexCheck();
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#endif
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}
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_MUX_DEBUG_PRI_H */
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