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c82ee6d3 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
00234592 KC |
2 | /* Syslog internals |
3 | * | |
4 | * Copyright 2010 Canonical, Ltd. | |
5 | * Author: Kees Cook <kees.cook@canonical.com> | |
00234592 KC |
6 | */ |
7 | ||
8 | #ifndef _LINUX_SYSLOG_H | |
9 | #define _LINUX_SYSLOG_H | |
10 | ||
e3f12f06 TG |
11 | #include <linux/wait.h> |
12 | ||
d78ca3cd KC |
13 | /* Close the log. Currently a NOP. */ |
14 | #define SYSLOG_ACTION_CLOSE 0 | |
15 | /* Open the log. Currently a NOP. */ | |
16 | #define SYSLOG_ACTION_OPEN 1 | |
17 | /* Read from the log. */ | |
18 | #define SYSLOG_ACTION_READ 2 | |
19 | /* Read all messages remaining in the ring buffer. */ | |
20 | #define SYSLOG_ACTION_READ_ALL 3 | |
21 | /* Read and clear all messages remaining in the ring buffer */ | |
22 | #define SYSLOG_ACTION_READ_CLEAR 4 | |
23 | /* Clear ring buffer. */ | |
24 | #define SYSLOG_ACTION_CLEAR 5 | |
25 | /* Disable printk's to console */ | |
26 | #define SYSLOG_ACTION_CONSOLE_OFF 6 | |
27 | /* Enable printk's to console */ | |
28 | #define SYSLOG_ACTION_CONSOLE_ON 7 | |
29 | /* Set level of messages printed to console */ | |
30 | #define SYSLOG_ACTION_CONSOLE_LEVEL 8 | |
31 | /* Return number of unread characters in the log buffer */ | |
32 | #define SYSLOG_ACTION_SIZE_UNREAD 9 | |
33 | /* Return size of the log buffer */ | |
34 | #define SYSLOG_ACTION_SIZE_BUFFER 10 | |
35 | ||
637241a9 KC |
36 | #define SYSLOG_FROM_READER 0 |
37 | #define SYSLOG_FROM_PROC 1 | |
00234592 | 38 | |
3ea4331c | 39 | int do_syslog(int type, char __user *buf, int count, int source); |
e3f12f06 | 40 | extern wait_queue_head_t log_wait; |
069fb0b6 | 41 | |
00234592 | 42 | #endif /* _LINUX_SYSLOG_H */ |