OpenCloudOS-Kernel/include/linux/syslog.h

43 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Syslog internals
*
* Copyright 2010 Canonical, Ltd.
* Author: Kees Cook <kees.cook@canonical.com>
*/
#ifndef _LINUX_SYSLOG_H
#define _LINUX_SYSLOG_H
#include <linux/wait.h>
/* Close the log. Currently a NOP. */
#define SYSLOG_ACTION_CLOSE 0
/* Open the log. Currently a NOP. */
#define SYSLOG_ACTION_OPEN 1
/* Read from the log. */
#define SYSLOG_ACTION_READ 2
/* Read all messages remaining in the ring buffer. */
#define SYSLOG_ACTION_READ_ALL 3
/* Read and clear all messages remaining in the ring buffer */
#define SYSLOG_ACTION_READ_CLEAR 4
/* Clear ring buffer. */
#define SYSLOG_ACTION_CLEAR 5
/* Disable printk's to console */
#define SYSLOG_ACTION_CONSOLE_OFF 6
/* Enable printk's to console */
#define SYSLOG_ACTION_CONSOLE_ON 7
/* Set level of messages printed to console */
#define SYSLOG_ACTION_CONSOLE_LEVEL 8
/* Return number of unread characters in the log buffer */
#define SYSLOG_ACTION_SIZE_UNREAD 9
/* Return size of the log buffer */
#define SYSLOG_ACTION_SIZE_BUFFER 10
#define SYSLOG_FROM_READER 0
#define SYSLOG_FROM_PROC 1
int do_syslog(int type, char __user *buf, int count, int source);
extern wait_queue_head_t log_wait;
#endif /* _LINUX_SYSLOG_H */