FreeBSD/Linux Kernel Cross Reference
sys/sys/syslog.h
1 /*
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 * $FreeBSD: releng/5.3/sys/sys/syslog.h 136588 2004-10-16 08:43:07Z cvs2svn $
31 */
32
33 #ifndef _SYS_SYSLOG_H_
34 #define _SYS_SYSLOG_H_
35
36 #define _PATH_LOG "/var/run/log"
37 #define _PATH_OLDLOG "/dev/log" /* backward compatibility */
38
39 /*
40 * priorities/facilities are encoded into a single 32-bit quantity, where the
41 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
42 * (0-big number). Both the priorities and the facilities map roughly
43 * one-to-one to strings in the syslogd(8) source code. This mapping is
44 * included in this file.
45 *
46 * priorities (these are ordered)
47 */
48 #define LOG_EMERG 0 /* system is unusable */
49 #define LOG_ALERT 1 /* action must be taken immediately */
50 #define LOG_CRIT 2 /* critical conditions */
51 #define LOG_ERR 3 /* error conditions */
52 #define LOG_WARNING 4 /* warning conditions */
53 #define LOG_NOTICE 5 /* normal but significant condition */
54 #define LOG_INFO 6 /* informational */
55 #define LOG_DEBUG 7 /* debug-level messages */
56
57 #define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */
58 /* extract priority */
59 #define LOG_PRI(p) ((p) & LOG_PRIMASK)
60 #define LOG_MAKEPRI(fac, pri) ((fac) | (pri))
61
62 #ifdef SYSLOG_NAMES
63 #define INTERNAL_NOPRI 0x10 /* the "no priority" priority */
64 /* mark "facility" */
65 #define INTERNAL_MARK LOG_MAKEPRI((LOG_NFACILITIES<<3), 0)
66 typedef struct _code {
67 const char *c_name;
68 int c_val;
69 } CODE;
70
71 CODE prioritynames[] = {
72 { "alert", LOG_ALERT, },
73 { "crit", LOG_CRIT, },
74 { "debug", LOG_DEBUG, },
75 { "emerg", LOG_EMERG, },
76 { "err", LOG_ERR, },
77 { "error", LOG_ERR, }, /* DEPRECATED */
78 { "info", LOG_INFO, },
79 { "none", INTERNAL_NOPRI, }, /* INTERNAL */
80 { "notice", LOG_NOTICE, },
81 { "panic", LOG_EMERG, }, /* DEPRECATED */
82 { "warn", LOG_WARNING, }, /* DEPRECATED */
83 { "warning", LOG_WARNING, },
84 { NULL, -1, }
85 };
86 #endif
87
88 /* facility codes */
89 #define LOG_KERN (0<<3) /* kernel messages */
90 #define LOG_USER (1<<3) /* random user-level messages */
91 #define LOG_MAIL (2<<3) /* mail system */
92 #define LOG_DAEMON (3<<3) /* system daemons */
93 #define LOG_AUTH (4<<3) /* authorization messages */
94 #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
95 #define LOG_LPR (6<<3) /* line printer subsystem */
96 #define LOG_NEWS (7<<3) /* network news subsystem */
97 #define LOG_UUCP (8<<3) /* UUCP subsystem */
98 #define LOG_CRON (9<<3) /* clock daemon */
99 #define LOG_AUTHPRIV (10<<3) /* authorization messages (private) */
100 /* Facility #10 clashes in DEC UNIX, where */
101 /* it's defined as LOG_MEGASAFE for AdvFS */
102 /* event logging. */
103 #define LOG_FTP (11<<3) /* ftp daemon */
104 #define LOG_NTP (12<<3) /* NTP subsystem */
105 #define LOG_SECURITY (13<<3) /* security subsystems (firewalling, etc.) */
106 #define LOG_CONSOLE (14<<3) /* /dev/console output */
107
108 /* other codes through 15 reserved for system use */
109 #define LOG_LOCAL0 (16<<3) /* reserved for local use */
110 #define LOG_LOCAL1 (17<<3) /* reserved for local use */
111 #define LOG_LOCAL2 (18<<3) /* reserved for local use */
112 #define LOG_LOCAL3 (19<<3) /* reserved for local use */
113 #define LOG_LOCAL4 (20<<3) /* reserved for local use */
114 #define LOG_LOCAL5 (21<<3) /* reserved for local use */
115 #define LOG_LOCAL6 (22<<3) /* reserved for local use */
116 #define LOG_LOCAL7 (23<<3) /* reserved for local use */
117
118 #define LOG_NFACILITIES 24 /* current number of facilities */
119 #define LOG_FACMASK 0x03f8 /* mask to extract facility part */
120 /* facility of pri */
121 #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
122
123 #ifdef SYSLOG_NAMES
124 CODE facilitynames[] = {
125 { "auth", LOG_AUTH, },
126 { "authpriv", LOG_AUTHPRIV, },
127 { "console", LOG_CONSOLE, },
128 { "cron", LOG_CRON, },
129 { "daemon", LOG_DAEMON, },
130 { "ftp", LOG_FTP, },
131 { "kern", LOG_KERN, },
132 { "lpr", LOG_LPR, },
133 { "mail", LOG_MAIL, },
134 { "mark", INTERNAL_MARK, }, /* INTERNAL */
135 { "news", LOG_NEWS, },
136 { "ntp", LOG_NTP, },
137 { "security", LOG_SECURITY, },
138 { "syslog", LOG_SYSLOG, },
139 { "user", LOG_USER, },
140 { "uucp", LOG_UUCP, },
141 { "local0", LOG_LOCAL0, },
142 { "local1", LOG_LOCAL1, },
143 { "local2", LOG_LOCAL2, },
144 { "local3", LOG_LOCAL3, },
145 { "local4", LOG_LOCAL4, },
146 { "local5", LOG_LOCAL5, },
147 { "local6", LOG_LOCAL6, },
148 { "local7", LOG_LOCAL7, },
149 { NULL, -1, }
150 };
151 #endif
152
153 #ifdef _KERNEL
154 #define LOG_PRINTF -1 /* pseudo-priority to indicate use of printf */
155 #endif
156
157 /*
158 * arguments to setlogmask.
159 */
160 #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
161 #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
162
163 /*
164 * Option flags for openlog.
165 *
166 * LOG_ODELAY no longer does anything.
167 * LOG_NDELAY is the inverse of what it used to be.
168 */
169 #define LOG_PID 0x01 /* log the pid with each message */
170 #define LOG_CONS 0x02 /* log on the console if errors in sending */
171 #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
172 #define LOG_NDELAY 0x08 /* don't delay open */
173 #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
174 #define LOG_PERROR 0x20 /* log to stderr as well */
175
176 #ifdef _KERNEL
177
178 #else /* not _KERNEL */
179
180 /*
181 * Don't use va_list in the vsyslog() prototype. Va_list is typedef'd in two
182 * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
183 * of them here we may collide with the utility's includes. It's unreasonable
184 * for utilities to have to include one of them to include syslog.h, so we get
185 * __va_list from <sys/_types.h> and use it.
186 */
187 #include <sys/cdefs.h>
188 #include <sys/_types.h>
189
190 __BEGIN_DECLS
191 void closelog(void);
192 void openlog(const char *, int, int);
193 int setlogmask(int);
194 void syslog(int, const char *, ...) __printflike(2, 3);
195 void vsyslog(int, const char *, __va_list) __printflike(2, 0);
196 __END_DECLS
197
198 #endif /* !_KERNEL */
199
200 #endif
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