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 */ 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) 69 typedef struct _code { 70 const char *c_name; 71 int c_val; 72 } CODE; 73 74 #ifdef SYSLOG_NAMES_CONST 75 const 76 #endif 77 CODE 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 126 const 127 #endif 128 CODE 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. */ 181 extern void closelog (void); 182 183 /* Open connection to system logger. 184 185 This function is a possible cancellation point and therefore not 186 marked with __THROW. */ 187 extern void openlog (const char *__ident, int __option, int __facility); 188 189 /* Set the log mask level. */ 190 extern int setlogmask (int __mask) __THROW; 191 192 /* Generate a log message using FMT string and option arguments. 193 194 This function is a possible cancellation point and therefore not 195 marked with __THROW. */ 196 extern void syslog (int __pri, const char *__fmt, ...) 197 __attribute__ ((__format__ (__printf__, 2, 3))); 198 libc_hidden_proto(syslog) 199 200 #ifdef __USE_BSD 201 /* Generate a log message using FMT and using arguments pointed to by AP. 202 203 This function is not part of POSIX and therefore no official 204 cancellation point. But due to similarity with an POSIX interface 205 or due to the implementation it is a cancellation point and 206 therefore not marked with __THROW. */ 207 extern void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap) 208 __attribute__ ((__format__ (__printf__, 2, 0))); 209 #endif 210 211 __END_DECLS 212 213 #endif /* sys/syslog.h */ 214