blob: 8fc768846ebec3f6d169baf6021f7fc40e206513 [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/*
2 * Copyright (c) 1982, 1986, 1988, 1993
3 * The Regents of the University of California. 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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)syslog.h 8.1 (Berkeley) 6/2/93
30 */
31
32#ifndef _SYS_SYSLOG_H
33#define _SYS_SYSLOG_H 1
34
35#include <features.h>
36#define __need___va_list
37#include <stdarg.h>
38
39
40#define _PATH_LOG "/dev/log"
41
42/*
43 * priorities/facilities are encoded into a single 32-bit quantity, where the
44 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
45 * (0-big number). Both the priorities and the facilities map roughly
46 * one-to-one to strings in the syslogd(8) source code. This mapping is
47 * included in this file.
48 *
49 * priorities (these are ordered)
50 */
51#define LOG_EMERG 0 /* system is unusable */
52#define LOG_ALERT 1 /* action must be taken immediately */
53#define LOG_CRIT 2 /* critical conditions */
54#define LOG_ERR 3 /* error conditions */
55#define LOG_WARNING 4 /* warning conditions */
56#define LOG_NOTICE 5 /* normal but significant condition */
57#define LOG_INFO 6 /* informational */
58#define LOG_DEBUG 7 /* debug-level messages */
59
60#define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */
61 /* extract priority */
62#define LOG_PRI(p) ((p) & LOG_PRIMASK)
63#define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
64
65#ifdef SYSLOG_NAMES
66#define INTERNAL_NOPRI 0x10 /* the "no priority" priority */
67 /* mark "facility" */
68#define INTERNAL_MARK LOG_MAKEPRI(LOG_NFACILITIES, 0)
69typedef struct _code {
70 const char *c_name;
71 int c_val;
72} CODE;
73
74#ifdef SYSLOG_NAMES_CONST
75const
76#endif
77CODE prioritynames[] =
78 {
79 { "alert", LOG_ALERT },
80 { "crit", LOG_CRIT },
81 { "debug", LOG_DEBUG },
82 { "emerg", LOG_EMERG },
83 { "err", LOG_ERR },
84 { "error", LOG_ERR }, /* DEPRECATED */
85 { "info", LOG_INFO },
86 { "none", INTERNAL_NOPRI }, /* INTERNAL */
87 { "notice", LOG_NOTICE },
88 { "panic", LOG_EMERG }, /* DEPRECATED */
89 { "warn", LOG_WARNING }, /* DEPRECATED */
90 { "warning", LOG_WARNING },
91 { NULL, -1 }
92 };
93#endif
94
95/* facility codes */
96#define LOG_KERN (0<<3) /* kernel messages */
97#define LOG_USER (1<<3) /* random user-level messages */
98#define LOG_MAIL (2<<3) /* mail system */
99#define LOG_DAEMON (3<<3) /* system daemons */
100#define LOG_AUTH (4<<3) /* security/authorization messages */
101#define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
102#define LOG_LPR (6<<3) /* line printer subsystem */
103#define LOG_NEWS (7<<3) /* network news subsystem */
104#define LOG_UUCP (8<<3) /* UUCP subsystem */
105#define LOG_CRON (9<<3) /* clock daemon */
106#define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */
107#define LOG_FTP (11<<3) /* ftp daemon */
108
109 /* other codes through 15 reserved for system use */
110#define LOG_LOCAL0 (16<<3) /* reserved for local use */
111#define LOG_LOCAL1 (17<<3) /* reserved for local use */
112#define LOG_LOCAL2 (18<<3) /* reserved for local use */
113#define LOG_LOCAL3 (19<<3) /* reserved for local use */
114#define LOG_LOCAL4 (20<<3) /* reserved for local use */
115#define LOG_LOCAL5 (21<<3) /* reserved for local use */
116#define LOG_LOCAL6 (22<<3) /* reserved for local use */
117#define LOG_LOCAL7 (23<<3) /* reserved for local use */
118
119#define LOG_NFACILITIES 24 /* current number of facilities */
120#define LOG_FACMASK 0x03f8 /* mask to extract facility part */
121 /* facility of pri */
122#define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
123
124#ifdef SYSLOG_NAMES
125#ifdef SYSLOG_NAMES_CONST
126const
127#endif
128CODE facilitynames[] =
129 {
130 { "auth", LOG_AUTH },
131 { "authpriv", LOG_AUTHPRIV },
132 { "cron", LOG_CRON },
133 { "daemon", LOG_DAEMON },
134 { "ftp", LOG_FTP },
135 { "kern", LOG_KERN },
136 { "lpr", LOG_LPR },
137 { "mail", LOG_MAIL },
138 { "mark", INTERNAL_MARK }, /* INTERNAL */
139 { "news", LOG_NEWS },
140 { "security", LOG_AUTH }, /* DEPRECATED */
141 { "syslog", LOG_SYSLOG },
142 { "user", LOG_USER },
143 { "uucp", LOG_UUCP },
144 { "local0", LOG_LOCAL0 },
145 { "local1", LOG_LOCAL1 },
146 { "local2", LOG_LOCAL2 },
147 { "local3", LOG_LOCAL3 },
148 { "local4", LOG_LOCAL4 },
149 { "local5", LOG_LOCAL5 },
150 { "local6", LOG_LOCAL6 },
151 { "local7", LOG_LOCAL7 },
152 { NULL, -1 }
153 };
154#endif
155
156/*
157 * arguments to setlogmask.
158 */
159#define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
160#define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
161
162/*
163 * Option flags for openlog.
164 *
165 * LOG_ODELAY no longer does anything.
166 * LOG_NDELAY is the inverse of what it used to be.
167 */
168#define LOG_PID 0x01 /* log the pid with each message */
169#define LOG_CONS 0x02 /* log on the console if errors in sending */
170#define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
171#define LOG_NDELAY 0x08 /* don't delay open */
172#define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
173#define LOG_PERROR 0x20 /* log to stderr as well */
174
175__BEGIN_DECLS
176
177/* Close descriptor used to write to system logger.
178
179 This function is a possible cancellation point and therefore not
180 marked with __THROW. */
181extern void closelog (void);
182libc_hidden_proto(closelog)
183
184/* Open connection to system logger.
185
186 This function is a possible cancellation point and therefore not
187 marked with __THROW. */
188extern void openlog (__const char *__ident, int __option, int __facility);
189libc_hidden_proto(openlog)
190
191/* Set the log mask level. */
192extern int setlogmask (int __mask) __THROW;
193
194/* Generate a log message using FMT string and option arguments.
195
196 This function is a possible cancellation point and therefore not
197 marked with __THROW. */
198extern void syslog (int __pri, __const char *__fmt, ...)
199 __attribute__ ((__format__ (__printf__, 2, 3)));
200libc_hidden_proto(syslog)
201
202#ifdef __USE_BSD
203/* Generate a log message using FMT and using arguments pointed to by AP.
204
205 This function is not part of POSIX and therefore no official
206 cancellation point. But due to similarity with an POSIX interface
207 or due to the implementation it is a cancellation point and
208 therefore not marked with __THROW. */
209extern void vsyslog (int __pri, __const char *__fmt, __gnuc_va_list __ap)
210 __attribute__ ((__format__ (__printf__, 2, 0)));
211libc_hidden_proto(vsyslog)
212#endif
213
214__END_DECLS
215
216#endif /* sys/syslog.h */