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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /* Syslog internals
- *
- * Copyright 2010 Canonical, Ltd.
- * Author: Kees Cook <[email protected]>
- */
- #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 */
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