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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243/* 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 */