syslog.h 7.3 KB

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  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. #ifndef _SYS_SYSLOG_H
  32. #define _SYS_SYSLOG_H 1
  33. #include <features.h>
  34. #define __need___va_list
  35. #include <stdarg.h>
  36. #define _PATH_LOG "/dev/log"
  37. /*
  38. * priorities/facilities are encoded into a single 32-bit quantity, where the
  39. * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
  40. * (0-big number). Both the priorities and the facilities map roughly
  41. * one-to-one to strings in the syslogd(8) source code. This mapping is
  42. * included in this file.
  43. *
  44. * priorities (these are ordered)
  45. */
  46. #define LOG_EMERG 0 /* system is unusable */
  47. #define LOG_ALERT 1 /* action must be taken immediately */
  48. #define LOG_CRIT 2 /* critical conditions */
  49. #define LOG_ERR 3 /* error conditions */
  50. #define LOG_WARNING 4 /* warning conditions */
  51. #define LOG_NOTICE 5 /* normal but significant condition */
  52. #define LOG_INFO 6 /* informational */
  53. #define LOG_DEBUG 7 /* debug-level messages */
  54. #define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */
  55. /* extract priority */
  56. #define LOG_PRI(p) ((p) & LOG_PRIMASK)
  57. #define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
  58. #ifdef SYSLOG_NAMES
  59. #define INTERNAL_NOPRI 0x10 /* the "no priority" priority */
  60. /* mark "facility" */
  61. #define INTERNAL_MARK LOG_MAKEPRI(LOG_NFACILITIES, 0)
  62. typedef struct _code {
  63. char *c_name;
  64. int c_val;
  65. } CODE;
  66. CODE prioritynames[] =
  67. {
  68. { "alert", LOG_ALERT },
  69. { "crit", LOG_CRIT },
  70. { "debug", LOG_DEBUG },
  71. { "emerg", LOG_EMERG },
  72. { "err", LOG_ERR },
  73. { "error", LOG_ERR }, /* DEPRECATED */
  74. { "info", LOG_INFO },
  75. { "none", INTERNAL_NOPRI }, /* INTERNAL */
  76. { "notice", LOG_NOTICE },
  77. { "panic", LOG_EMERG }, /* DEPRECATED */
  78. { "warn", LOG_WARNING }, /* DEPRECATED */
  79. { "warning", LOG_WARNING },
  80. { NULL, -1 }
  81. };
  82. #endif
  83. /* facility codes */
  84. #define LOG_KERN (0<<3) /* kernel messages */
  85. #define LOG_USER (1<<3) /* random user-level messages */
  86. #define LOG_MAIL (2<<3) /* mail system */
  87. #define LOG_DAEMON (3<<3) /* system daemons */
  88. #define LOG_AUTH (4<<3) /* security/authorization messages */
  89. #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
  90. #define LOG_LPR (6<<3) /* line printer subsystem */
  91. #define LOG_NEWS (7<<3) /* network news subsystem */
  92. #define LOG_UUCP (8<<3) /* UUCP subsystem */
  93. #define LOG_CRON (9<<3) /* clock daemon */
  94. #define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */
  95. #define LOG_FTP (11<<3) /* ftp daemon */
  96. /* other codes through 15 reserved for system use */
  97. #define LOG_LOCAL0 (16<<3) /* reserved for local use */
  98. #define LOG_LOCAL1 (17<<3) /* reserved for local use */
  99. #define LOG_LOCAL2 (18<<3) /* reserved for local use */
  100. #define LOG_LOCAL3 (19<<3) /* reserved for local use */
  101. #define LOG_LOCAL4 (20<<3) /* reserved for local use */
  102. #define LOG_LOCAL5 (21<<3) /* reserved for local use */
  103. #define LOG_LOCAL6 (22<<3) /* reserved for local use */
  104. #define LOG_LOCAL7 (23<<3) /* reserved for local use */
  105. #define LOG_NFACILITIES 24 /* current number of facilities */
  106. #define LOG_FACMASK 0x03f8 /* mask to extract facility part */
  107. /* facility of pri */
  108. #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
  109. #ifdef SYSLOG_NAMES
  110. CODE facilitynames[] =
  111. {
  112. { "auth", LOG_AUTH },
  113. { "authpriv", LOG_AUTHPRIV },
  114. { "cron", LOG_CRON },
  115. { "daemon", LOG_DAEMON },
  116. { "ftp", LOG_FTP },
  117. { "kern", LOG_KERN },
  118. { "lpr", LOG_LPR },
  119. { "mail", LOG_MAIL },
  120. { "mark", INTERNAL_MARK }, /* INTERNAL */
  121. { "news", LOG_NEWS },
  122. { "security", LOG_AUTH }, /* DEPRECATED */
  123. { "syslog", LOG_SYSLOG },
  124. { "user", LOG_USER },
  125. { "uucp", LOG_UUCP },
  126. { "local0", LOG_LOCAL0 },
  127. { "local1", LOG_LOCAL1 },
  128. { "local2", LOG_LOCAL2 },
  129. { "local3", LOG_LOCAL3 },
  130. { "local4", LOG_LOCAL4 },
  131. { "local5", LOG_LOCAL5 },
  132. { "local6", LOG_LOCAL6 },
  133. { "local7", LOG_LOCAL7 },
  134. { NULL, -1 }
  135. };
  136. #endif
  137. /*
  138. * arguments to setlogmask.
  139. */
  140. #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
  141. #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
  142. /*
  143. * Option flags for openlog.
  144. *
  145. * LOG_ODELAY no longer does anything.
  146. * LOG_NDELAY is the inverse of what it used to be.
  147. */
  148. #define LOG_PID 0x01 /* log the pid with each message */
  149. #define LOG_CONS 0x02 /* log on the console if errors in sending */
  150. #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
  151. #define LOG_NDELAY 0x08 /* don't delay open */
  152. #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
  153. #define LOG_PERROR 0x20 /* log to stderr as well */
  154. __BEGIN_DECLS
  155. /* Close desriptor used to write to system logger.
  156. This function is a possible cancellation point and therefore not
  157. marked with __THROW. */
  158. extern void closelog (void);
  159. /* Open connection to system logger.
  160. This function is a possible cancellation point and therefore not
  161. marked with __THROW. */
  162. extern void openlog (__const char *__ident, int __option, int __facility);
  163. /* Set the log mask level. */
  164. extern int setlogmask (int __mask) __THROW;
  165. /* Generate a log message using FMT string and option arguments.
  166. This function is a possible cancellation point and therefore not
  167. marked with __THROW. */
  168. extern void syslog (int __pri, __const char *__fmt, ...)
  169. __attribute__ ((__format__(__printf__, 2, 3)));
  170. #ifdef __USE_BSD
  171. /* Generate a log message using FMT and using arguments pointed to by AP.
  172. This function is not part of POSIX and therefore no official
  173. cancellation point. But due to similarity with an POSIX interface
  174. or due to the implementation it is a cancellation point and
  175. therefore not marked with __THROW. */
  176. extern void vsyslog (int __pri, __const char *__fmt, __gnuc_va_list __ap)
  177. __attribute__ ((__format__(__printf__, 2, 0)));
  178. #endif
  179. __END_DECLS
  180. #endif /* sys/syslog.h */