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31 * @(#)syslog.h 8.1 (Berkeley) 6/2/93
35 #ifndef _SYS_SYSLOG_H_
36 #define _SYS_SYSLOG_H_
38 #define _PATH_LOG "/var/run/log"
39 #define _PATH_LOG_PRIV "/var/run/logpriv"
40 #define _PATH_OLDLOG "/dev/log" /* backward compatibility */
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.
49 * priorities (these are ordered)
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 */
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) | (pri))
66 #define INTERNAL_NOPRI 0x10 /* the "no priority" priority */
68 #define INTERNAL_MARK LOG_MAKEPRI((LOG_NFACILITIES<<3), 0)
69 typedef struct _code {
74 static const CODE prioritynames[] = {
75 { "alert", LOG_ALERT, },
76 { "crit", LOG_CRIT, },
77 { "debug", LOG_DEBUG, },
78 { "emerg", LOG_EMERG, },
80 { "error", LOG_ERR, }, /* DEPRECATED */
81 { "info", LOG_INFO, },
82 { "none", INTERNAL_NOPRI, }, /* INTERNAL */
83 { "notice", LOG_NOTICE, },
84 { "panic", LOG_EMERG, }, /* DEPRECATED */
85 { "warn", LOG_WARNING, }, /* DEPRECATED */
86 { "warning", LOG_WARNING, },
92 #define LOG_KERN (0<<3) /* kernel messages */
93 #define LOG_USER (1<<3) /* random user-level messages */
94 #define LOG_MAIL (2<<3) /* mail system */
95 #define LOG_DAEMON (3<<3) /* system daemons */
96 #define LOG_AUTH (4<<3) /* authorization messages */
97 #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
98 #define LOG_LPR (6<<3) /* line printer subsystem */
99 #define LOG_NEWS (7<<3) /* network news subsystem */
100 #define LOG_UUCP (8<<3) /* UUCP subsystem */
101 #define LOG_CRON (9<<3) /* clock daemon */
102 #define LOG_AUTHPRIV (10<<3) /* authorization messages (private) */
103 /* Facility #10 clashes in DEC UNIX, where */
104 /* it's defined as LOG_MEGASAFE for AdvFS */
106 #define LOG_FTP (11<<3) /* ftp daemon */
107 #define LOG_NTP (12<<3) /* NTP subsystem */
108 #define LOG_SECURITY (13<<3) /* security subsystems (firewalling, etc.) */
109 #define LOG_CONSOLE (14<<3) /* /dev/console output */
111 /* other codes through 15 reserved for system use */
112 #define LOG_LOCAL0 (16<<3) /* reserved for local use */
113 #define LOG_LOCAL1 (17<<3) /* reserved for local use */
114 #define LOG_LOCAL2 (18<<3) /* reserved for local use */
115 #define LOG_LOCAL3 (19<<3) /* reserved for local use */
116 #define LOG_LOCAL4 (20<<3) /* reserved for local use */
117 #define LOG_LOCAL5 (21<<3) /* reserved for local use */
118 #define LOG_LOCAL6 (22<<3) /* reserved for local use */
119 #define LOG_LOCAL7 (23<<3) /* reserved for local use */
121 #define LOG_NFACILITIES 24 /* current number of facilities */
122 #define LOG_FACMASK 0x03f8 /* mask to extract facility part */
123 /* facility of pri */
124 #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
127 static const CODE facilitynames[] = {
128 { "auth", LOG_AUTH, },
129 { "authpriv", LOG_AUTHPRIV, },
130 { "console", LOG_CONSOLE, },
131 { "cron", LOG_CRON, },
132 { "daemon", LOG_DAEMON, },
134 { "kern", LOG_KERN, },
136 { "mail", LOG_MAIL, },
137 { "mark", INTERNAL_MARK, }, /* INTERNAL */
138 { "news", LOG_NEWS, },
140 { "security", LOG_SECURITY, },
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, },
157 #define LOG_PRINTF -1 /* pseudo-priority to indicate use of printf */
161 * arguments to setlogmask.
163 #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
164 #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
167 * Option flags for openlog.
169 * LOG_ODELAY no longer does anything.
170 * LOG_NDELAY is the inverse of what it used to be.
172 #define LOG_PID 0x01 /* log the pid with each message */
173 #define LOG_CONS 0x02 /* log on the console if errors in sending */
174 #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
175 #define LOG_NDELAY 0x08 /* don't delay open */
176 #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
177 #define LOG_PERROR 0x20 /* log to stderr as well */
181 #else /* not _KERNEL */
184 * Don't use va_list in the vsyslog() prototype. Va_list is typedef'd in two
185 * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
186 * of them here we may collide with the utility's includes. It's unreasonable
187 * for utilities to have to include one of them to include syslog.h, so we get
188 * __va_list from <sys/_types.h> and use it.
190 #include <sys/cdefs.h>
191 #include <sys/_types.h>
195 void openlog(const char *, int, int);
197 void syslog(int, const char *, ...) __printflike(2, 3);
199 void vsyslog(int, const char *, __va_list) __printflike(2, 0);
203 #endif /* !_KERNEL */