dmesg_pri.h

浏览该文件的文档.

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 *
 * 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.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * 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 HOLDER 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.
 */
 
#ifndef _HWLITEOS_SHELL_DMESG_PRI_H
#define _HWLITEOS_SHELL_DMESG_PRI_H
 
#ifdef LOSCFG_SHELL_DMESG
#include "dmesg.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
/*
 * The dmesg buffer is start with this info structure, then the log.
 * | dmesg信息管理器,环形buf
 */
typedef struct {
    UINT32 logSize; /*! The size of log in buffer | 已写入的日志大小 */
    UINT32 logHead; /*! The index of the first log data. Data_out_flag | 首条日志位置 */
    UINT32 logTail; /*! The index where to write, write in and plus one. Data_it_flag | 写入日志的位置 */
    CHAR   *logBuf; /*! The log buffer addr | 缓冲区地址 */
} DmesgInfo;
 
extern UINT32 OsDmesgInit(VOID);
extern UINT32 OsDmesgLvGet(VOID);
extern UINT32 OsCheckConsoleLock(VOID);
extern UINT32 OsCheckUartLock(VOID);
extern VOID OsLogShow(VOID);
extern UINT32 OsLogRecordStr(const CHAR *str, UINT32 len);
extern INT32 OsLogMemcpyRecord(const CHAR *buf, UINT32 logLen);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif
#endif /* _HWLITEOS_SHELL_DMESG_PRI_H */