1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#ifndef _SYSLOG_H
29#define _SYSLOG_H
30
31#include <stdio.h>
32#include <sys/cdefs.h>
33#include <stdarg.h>
34
35__BEGIN_DECLS
36
37/* Alert levels */
38#define LOG_EMERG	0
39#define LOG_ALERT	1
40#define LOG_CRIT	2
41#define LOG_ERR		3
42#define LOG_WARNING	4
43#define LOG_NOTICE	5
44#define LOG_INFO	6
45#define LOG_DEBUG	7
46
47#define LOG_PRIMASK	7
48#define LOG_PRI(x)	((x) & LOG_PRIMASK)
49
50
51/* Facilities; not actually used */
52#define LOG_KERN	0000
53#define LOG_USER	0010
54#define LOG_MAIL	0020
55#define LOG_DAEMON	0030
56#define LOG_AUTH	0040
57#define LOG_SYSLOG	0050
58#define LOG_LPR		0060
59#define LOG_NEWS	0070
60#define LOG_UUCP	0100
61#define LOG_CRON	0110
62#define LOG_AUTHPRIV	0120
63#define LOG_FTP		0130
64#define LOG_LOCAL0	0200
65#define LOG_LOCAL1	0210
66#define LOG_LOCAL2	0220
67#define LOG_LOCAL3	0230
68#define LOG_LOCAL4	0240
69#define LOG_LOCAL5	0250
70#define LOG_LOCAL6	0260
71#define LOG_LOCAL7	0270
72
73#define LOG_FACMASK	01770
74#define LOG_FAC(x)	(((x) >> 3) & (LOG_FACMASK >> 3))
75
76#define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
77#define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
78
79/* openlog() flags; only LOG_PID and LOG_PERROR supported */
80#define        LOG_PID         0x01    /* include pid with message */
81#define        LOG_CONS        0x02    /* write to console on logger error */
82#define        LOG_ODELAY      0x04    /* delay connection until syslog() */
83#define        LOG_NDELAY      0x08    /* open connection immediately */
84#define        LOG_NOWAIT      0x10    /* wait for child processes (unused on linux) */
85#define        LOG_PERROR      0x20    /* additional logging to stderr */
86
87/* BIONIC: the following definitions are from OpenBSD's sys/syslog.h
88 */
89struct syslog_data {
90	int	log_file;
91        int	connected;
92        int	opened;
93        int	log_stat;
94        const char 	*log_tag;
95        int 	log_fac;
96        int 	log_mask;
97};
98
99#define SYSLOG_DATA_INIT {-1, 0, 0, 0, (const char *)0, LOG_USER, 0xff}
100
101#define _PATH_LOG  "/dev/kmsg"
102
103extern void	closelog(void);
104extern void	openlog(const char *, int, int);
105extern int	setlogmask(int);
106extern void	syslog(int, const char *, ...);
107extern void	vsyslog(int, const char *, va_list);
108extern void	closelog_r(struct syslog_data *);
109extern void	openlog_r(const char *, int, int, struct syslog_data *);
110extern int	setlogmask_r(int, struct syslog_data *);
111extern void	syslog_r(int, struct syslog_data *, const char *, ...);
112extern void	vsyslog_r(int, struct syslog_data *, const char *, va_list);
113
114__END_DECLS
115
116#endif /* _SYSLOG_H */
117