linux/include/linux/syslog.h
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   1/*  Syslog internals
   2 *
   3 *  Copyright 2010 Canonical, Ltd.
   4 *  Author: Kees Cook <kees.cook@canonical.com>
   5 *
   6 *  This program is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2, or (at your option)
   9 *  any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; see the file COPYING.  If not, write to
  18 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21#ifndef _LINUX_SYSLOG_H
  22#define _LINUX_SYSLOG_H
  23
  24/* Close the log.  Currently a NOP. */
  25#define SYSLOG_ACTION_CLOSE          0
  26/* Open the log. Currently a NOP. */
  27#define SYSLOG_ACTION_OPEN           1
  28/* Read from the log. */
  29#define SYSLOG_ACTION_READ           2
  30/* Read all messages remaining in the ring buffer. */
  31#define SYSLOG_ACTION_READ_ALL       3
  32/* Read and clear all messages remaining in the ring buffer */
  33#define SYSLOG_ACTION_READ_CLEAR     4
  34/* Clear ring buffer. */
  35#define SYSLOG_ACTION_CLEAR          5
  36/* Disable printk's to console */
  37#define SYSLOG_ACTION_CONSOLE_OFF    6
  38/* Enable printk's to console */
  39#define SYSLOG_ACTION_CONSOLE_ON     7
  40/* Set level of messages printed to console */
  41#define SYSLOG_ACTION_CONSOLE_LEVEL  8
  42/* Return number of unread characters in the log buffer */
  43#define SYSLOG_ACTION_SIZE_UNREAD    9
  44/* Return size of the log buffer */
  45#define SYSLOG_ACTION_SIZE_BUFFER   10
  46
  47#define SYSLOG_FROM_CALL 0
  48#define SYSLOG_FROM_FILE 1
  49
  50int do_syslog(int type, char __user *buf, int count, bool from_file);
  51
  52#endif /* _LINUX_SYSLOG_H */
  53
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