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 
30 #ifndef _SYSLOG_H
31 #define _SYSLOG_H
32 
33 #ifdef  __cplusplus
34 extern "C" {
35 #endif
36 
37 /*
38  *  Facility codes
39  */
40 #define LOG_KERN        (0<<3)  /* kernel messages */
41 #define LOG_USER        (1<<3)  /* random user-level messages */
42 #define LOG_MAIL        (2<<3)  /* mail system */
43 #define LOG_DAEMON      (3<<3)  /* system daemons */
44 #define LOG_AUTH        (4<<3)  /* security/authorization messages */
45 #define LOG_SYSLOG      (5<<3)  /* messages generated internally by syslogd */
46 #define LOG_LPR         (6<<3)  /* line printer subsystem */
47 #define LOG_NEWS        (7<<3)  /* netnews subsystem */
48 #define LOG_UUCP        (8<<3)  /* uucp subsystem */
49 #define LOG_AUDIT       (13<<3) /* audit subsystem */
50 #define LOG_CRON        (15<<3) /* cron/at subsystem */
51         /* other codes through 15 reserved for system use */
52 #define LOG_LOCAL0      (16<<3) /* reserved for local use */
53 #define LOG_LOCAL1      (17<<3) /* reserved for local use */
54 #define LOG_LOCAL2      (18<<3) /* reserved for local use */
55 #define LOG_LOCAL3      (19<<3) /* reserved for local use */
56 #define LOG_LOCAL4      (20<<3) /* reserved for local use */
57 #define LOG_LOCAL5      (21<<3) /* reserved for local use */
58 #define LOG_LOCAL6      (22<<3) /* reserved for local use */
59 #define LOG_LOCAL7      (23<<3) /* reserved for local use */
60 
61 #define LOG_NFACILITIES 24      /* maximum number of facilities */
62 #define LOG_FACMASK     0x03f8  /* mask to extract facility part */
63 
64 /*
65  *  Priorities (these are ordered)
66  */
67 #define LOG_EMERG       0       /* system is unusable */
68 #define LOG_ALERT       1       /* action must be taken immediately */
69 #define LOG_CRIT        2       /* critical conditions */
70 #define LOG_ERR         3       /* error conditions */
71 #define LOG_WARNING     4       /* warning conditions */
72 #define LOG_NOTICE      5       /* normal but signification condition */
73 #define LOG_INFO        6       /* informational */
74 #define LOG_DEBUG       7       /* debug-level messages */
75 
76 #define LOG_PRIMASK     0x0007  /* mask to extract priority part (internal) */
77 
78 /*
79  * arguments to setlogmask.
80  */
81 #define LOG_MASK(pri)   (1 << (pri))            /* mask for one priority */
82 #define LOG_UPTO(pri)   ((1 << ((pri)+1)) - 1)  /* all priorities through pri */
83 
84 /*
85  *  Option flags for openlog.
86  *
87  *      LOG_ODELAY no longer does anything; LOG_NDELAY is the
88  *      inverse of what it used to be.
89  */
90 #define LOG_PID         0x01    /* log the pid with each message */
91 #define LOG_CONS        0x02    /* log on the console if errors in sending */
92 #define LOG_ODELAY      0x04    /* delay open until syslog() is called */
93 #define LOG_NDELAY      0x08    /* don't delay open */
94 #define LOG_NOWAIT      0x10    /* if forking to log on console, don't wait() */
95 
96 void syslog(int type, const char *fmt, ...);
97 void openlog(const char *app, int, int);
98 void closelog(void);
99 
100 #ifdef  __cplusplus
101 }
102 #endif
103 
104 #endif /* _SYSLOG_H */
105