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 50 int do_syslog(int type, char __user *buf, int count, bool from_file); 51 52 #endif /* _LINUX_SYSLOG_H */ 53