Chih-Hung Hsieh | a5ef72f | 2014-11-05 10:47:59 -0800 | [diff] [blame] | 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 | /* This file defines _PATH_LOG. */ |
| 40 | #include <bits/syslog-path.h> |
| 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 | char *c_name; |
| 71 | int c_val; |
| 72 | } CODE; |
| 73 | |
| 74 | CODE prioritynames[] = |
| 75 | { |
| 76 | { "alert", LOG_ALERT }, |
| 77 | { "crit", LOG_CRIT }, |
| 78 | { "debug", LOG_DEBUG }, |
| 79 | { "emerg", LOG_EMERG }, |
| 80 | { "err", LOG_ERR }, |
| 81 | { "error", LOG_ERR }, /* DEPRECATED */ |
| 82 | { "info", LOG_INFO }, |
| 83 | { "none", INTERNAL_NOPRI }, /* INTERNAL */ |
| 84 | { "notice", LOG_NOTICE }, |
| 85 | { "panic", LOG_EMERG }, /* DEPRECATED */ |
| 86 | { "warn", LOG_WARNING }, /* DEPRECATED */ |
| 87 | { "warning", LOG_WARNING }, |
| 88 | { NULL, -1 } |
| 89 | }; |
| 90 | #endif |
| 91 | |
| 92 | /* facility codes */ |
| 93 | #define LOG_KERN (0<<3) /* kernel messages */ |
| 94 | #define LOG_USER (1<<3) /* random user-level messages */ |
| 95 | #define LOG_MAIL (2<<3) /* mail system */ |
| 96 | #define LOG_DAEMON (3<<3) /* system daemons */ |
| 97 | #define LOG_AUTH (4<<3) /* security/authorization messages */ |
| 98 | #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */ |
| 99 | #define LOG_LPR (6<<3) /* line printer subsystem */ |
| 100 | #define LOG_NEWS (7<<3) /* network news subsystem */ |
| 101 | #define LOG_UUCP (8<<3) /* UUCP subsystem */ |
| 102 | #define LOG_CRON (9<<3) /* clock daemon */ |
| 103 | #define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */ |
| 104 | #define LOG_FTP (11<<3) /* ftp daemon */ |
| 105 | |
| 106 | /* other codes through 15 reserved for system use */ |
| 107 | #define LOG_LOCAL0 (16<<3) /* reserved for local use */ |
| 108 | #define LOG_LOCAL1 (17<<3) /* reserved for local use */ |
| 109 | #define LOG_LOCAL2 (18<<3) /* reserved for local use */ |
| 110 | #define LOG_LOCAL3 (19<<3) /* reserved for local use */ |
| 111 | #define LOG_LOCAL4 (20<<3) /* reserved for local use */ |
| 112 | #define LOG_LOCAL5 (21<<3) /* reserved for local use */ |
| 113 | #define LOG_LOCAL6 (22<<3) /* reserved for local use */ |
| 114 | #define LOG_LOCAL7 (23<<3) /* reserved for local use */ |
| 115 | |
| 116 | #define LOG_NFACILITIES 24 /* current number of facilities */ |
| 117 | #define LOG_FACMASK 0x03f8 /* mask to extract facility part */ |
| 118 | /* facility of pri */ |
| 119 | #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3) |
| 120 | |
| 121 | #ifdef SYSLOG_NAMES |
| 122 | CODE facilitynames[] = |
| 123 | { |
| 124 | { "auth", LOG_AUTH }, |
| 125 | { "authpriv", LOG_AUTHPRIV }, |
| 126 | { "cron", LOG_CRON }, |
| 127 | { "daemon", LOG_DAEMON }, |
| 128 | { "ftp", LOG_FTP }, |
| 129 | { "kern", LOG_KERN }, |
| 130 | { "lpr", LOG_LPR }, |
| 131 | { "mail", LOG_MAIL }, |
| 132 | { "mark", INTERNAL_MARK }, /* INTERNAL */ |
| 133 | { "news", LOG_NEWS }, |
| 134 | { "security", LOG_AUTH }, /* DEPRECATED */ |
| 135 | { "syslog", LOG_SYSLOG }, |
| 136 | { "user", LOG_USER }, |
| 137 | { "uucp", LOG_UUCP }, |
| 138 | { "local0", LOG_LOCAL0 }, |
| 139 | { "local1", LOG_LOCAL1 }, |
| 140 | { "local2", LOG_LOCAL2 }, |
| 141 | { "local3", LOG_LOCAL3 }, |
| 142 | { "local4", LOG_LOCAL4 }, |
| 143 | { "local5", LOG_LOCAL5 }, |
| 144 | { "local6", LOG_LOCAL6 }, |
| 145 | { "local7", LOG_LOCAL7 }, |
| 146 | { NULL, -1 } |
| 147 | }; |
| 148 | #endif |
| 149 | |
| 150 | /* |
| 151 | * arguments to setlogmask. |
| 152 | */ |
| 153 | #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */ |
| 154 | #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */ |
| 155 | |
| 156 | /* |
| 157 | * Option flags for openlog. |
| 158 | * |
| 159 | * LOG_ODELAY no longer does anything. |
| 160 | * LOG_NDELAY is the inverse of what it used to be. |
| 161 | */ |
| 162 | #define LOG_PID 0x01 /* log the pid with each message */ |
| 163 | #define LOG_CONS 0x02 /* log on the console if errors in sending */ |
| 164 | #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */ |
| 165 | #define LOG_NDELAY 0x08 /* don't delay open */ |
| 166 | #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */ |
| 167 | #define LOG_PERROR 0x20 /* log to stderr as well */ |
| 168 | |
| 169 | __BEGIN_DECLS |
| 170 | |
| 171 | /* Close descriptor used to write to system logger. |
| 172 | |
| 173 | This function is a possible cancellation point and therefore not |
| 174 | marked with __THROW. */ |
| 175 | extern void closelog (void); |
| 176 | |
| 177 | /* Open connection to system logger. |
| 178 | |
| 179 | This function is a possible cancellation point and therefore not |
| 180 | marked with __THROW. */ |
| 181 | extern void openlog (__const char *__ident, int __option, int __facility); |
| 182 | |
| 183 | /* Set the log mask level. */ |
| 184 | extern int setlogmask (int __mask) __THROW; |
| 185 | |
| 186 | /* Generate a log message using FMT string and option arguments. |
| 187 | |
| 188 | This function is a possible cancellation point and therefore not |
| 189 | marked with __THROW. */ |
| 190 | extern void syslog (int __pri, __const char *__fmt, ...) |
| 191 | __attribute__ ((__format__ (__printf__, 2, 3))); |
| 192 | |
| 193 | #ifdef __USE_BSD |
| 194 | /* Generate a log message using FMT and using arguments pointed to by AP. |
| 195 | |
| 196 | This function is not part of POSIX and therefore no official |
| 197 | cancellation point. But due to similarity with an POSIX interface |
| 198 | or due to the implementation it is a cancellation point and |
| 199 | therefore not marked with __THROW. */ |
| 200 | extern void vsyslog (int __pri, __const char *__fmt, __gnuc_va_list __ap) |
| 201 | __attribute__ ((__format__ (__printf__, 2, 0))); |
| 202 | #endif |
| 203 | |
| 204 | |
| 205 | /* Define some macros helping to catch buffer overflows. */ |
| 206 | #if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline |
| 207 | # include <bits/syslog.h> |
| 208 | #endif |
| 209 | #ifdef __LDBL_COMPAT |
| 210 | # include <bits/syslog-ldbl.h> |
| 211 | #endif |
| 212 | |
| 213 | __END_DECLS |
| 214 | |
| 215 | #endif /* sys/syslog.h */ |