logger.h

Go to the documentation of this file.

/* include/linux/logger.h
 *
 * Copyright (C) 2007-2008 Google, Inc.
 * Author: Robert Love <[email protected]>
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef _LINUX_LOGGER_H
#define _LINUX_LOGGER_H

#include <linux/types.h>
#include <linux/ioctl.h>

struct logger_entry {
    __u16       len;
    __u16       __pad;
    __s32       pid;
    __s32       tid;
    __s32       sec;
    __s32       nsec;
    char        msg[0];
};

#define LOGGER_LOG_RADIO    "log_radio" /* radio-related messages */
#define LOGGER_LOG_EVENTS   "log_events"    /* system/hardware events */
#define LOGGER_LOG_SYSTEM   "log_system"    /* system/framework messages */
#define LOGGER_LOG_MAIN     "log_main"  /* everything else */

#define LOGGER_ENTRY_MAX_LEN        (4*1024)
#define LOGGER_ENTRY_MAX_PAYLOAD    \
    (LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))

#define __LOGGERIO  0xAE

#define LOGGER_GET_LOG_BUF_SIZE     _IO(__LOGGERIO, 1) /* size of log */
#define LOGGER_GET_LOG_LEN      _IO(__LOGGERIO, 2) /* used log len */
#define LOGGER_GET_NEXT_ENTRY_LEN   _IO(__LOGGERIO, 3) /* next entry len */
#define LOGGER_FLUSH_LOG        _IO(__LOGGERIO, 4) /* flush log */

#endif /* _LINUX_LOGGER_H */