[unix-history] / usr / src / sys / sys / syslog.h

/*
* Copyright (c) 1982, 1986, 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley.  The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*      @(#)syslog.h    7.15 (Berkeley) %G%
*/

/*
* priorities/facilities are encoded into a single 32-bit quantity, where the
* bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
* (0-big number).  Both the priorities and the facilities map roughly
* one-to-one to strings in the syslogd(8) source code.  This mapping is
* included in this file.
*
* priorities (these are ordered)
*/
#define LOG_EMERG       0       /* system is unusable */
#define LOG_ALERT       1       /* action must be taken immediately */
#define LOG_CRIT        2       /* critical conditions */
#define LOG_ERR         3       /* error conditions */
#define LOG_WARNING     4       /* warning conditions */
#define LOG_NOTICE      5       /* normal but significant condition */
#define LOG_INFO        6       /* informational */
#define LOG_DEBUG       7       /* debug-level messages */

#define LOG_PRIMASK     0x07    /* mask to extract priority part (internal) */
                               /* extract priority */
#define LOG_PRI(p)      ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri)   (((fac) << 3) | (pri))

#ifdef SYSLOG_NAMES
#define INTERNAL_NOPRI  0x10    /* the "no priority" priority */
                               /* mark "facility" */
#define INTERNAL_MARK   LOG_MAKEPRI(LOG_NFACILITIES, 0)
typedef struct _code {
       char    *c_name;
       int     c_val;
} CODE;

CODE prioritynames[] = {
       "alert",        LOG_ALERT,
       "crit",         LOG_CRIT,
       "debug",        LOG_DEBUG,
       "emerg",        LOG_EMERG,
       "err",          LOG_ERR,
       "error",        LOG_ERR,                /* DEPRECATED */
       "info",         LOG_INFO,
       "none",         INTERNAL_NOPRI,         /* INTERNAL */
       "notice",       LOG_NOTICE,
       "panic",        LOG_EMERG,              /* DEPRECATED */
       "warn",         LOG_WARNING,            /* DEPRECATED */
       "warning",      LOG_WARNING,
       NULL,           -1,
};
#endif

/* facility codes */
#define LOG_KERN        (0<<3)  /* kernel messages */
#define LOG_USER        (1<<3)  /* random user-level messages */
#define LOG_MAIL        (2<<3)  /* mail system */
#define LOG_DAEMON      (3<<3)  /* system daemons */
#define LOG_AUTH        (4<<3)  /* security/authorization messages */
#define LOG_SYSLOG      (5<<3)  /* messages generated internally by syslogd */
#define LOG_LPR         (6<<3)  /* line printer subsystem */
#define LOG_NEWS        (7<<3)  /* network news subsystem */
#define LOG_UUCP        (8<<3)  /* UUCP subsystem */
#define LOG_CRON        (9<<3)  /* clock daemon */
       /* other codes through 15 reserved for system use */
#define LOG_LOCAL0      (16<<3) /* reserved for local use */
#define LOG_LOCAL1      (17<<3) /* reserved for local use */
#define LOG_LOCAL2      (18<<3) /* reserved for local use */
#define LOG_LOCAL3      (19<<3) /* reserved for local use */
#define LOG_LOCAL4      (20<<3) /* reserved for local use */
#define LOG_LOCAL5      (21<<3) /* reserved for local use */
#define LOG_LOCAL6      (22<<3) /* reserved for local use */
#define LOG_LOCAL7      (23<<3) /* reserved for local use */

#define LOG_NFACILITIES 24      /* current number of facilities */
#define LOG_FACMASK     0x03f8  /* mask to extract facility part */
                               /* facility of pri */
#define LOG_FAC(p)      (((p) & LOG_FACMASK) >> 3)

#ifdef SYSLOG_NAMES
CODE facilitynames[] = {
       "auth",         LOG_AUTH,
       "cron",         LOG_CRON,
       "daemon",       LOG_DAEMON,
       "kern",         LOG_KERN,
       "lpr",          LOG_LPR,
       "mail",         LOG_MAIL,
       "mark",         INTERNAL_MARK,          /* INTERNAL */
       "news",         LOG_NEWS,
       "security",     LOG_AUTH,               /* DEPRECATED */
       "syslog",       LOG_SYSLOG,
       "user",         LOG_USER,
       "uucp",         LOG_UUCP,
       "local0",       LOG_LOCAL0,
       "local1",       LOG_LOCAL1,
       "local2",       LOG_LOCAL2,
       "local3",       LOG_LOCAL3,
       "local4",       LOG_LOCAL4,
       "local5",       LOG_LOCAL5,
       "local6",       LOG_LOCAL6,
       "local7",       LOG_LOCAL7,
       NULL,           -1,
};
#endif

#ifdef KERNEL
#define LOG_PRINTF      -1      /* pseudo-priority to indicate use of printf */
#endif

/*
* arguments to setlogmask.
*/
#define LOG_MASK(pri)   (1 << (pri))            /* mask for one priority */
#define LOG_UPTO(pri)   ((1 << ((pri)+1)) - 1)  /* all priorities through pri */

/*
* Option flags for openlog.
*
* LOG_ODELAY no longer does anything.
* LOG_NDELAY is the inverse of what it used to be.
*/
#define LOG_PID         0x01    /* log the pid with each message */
#define LOG_CONS        0x02    /* log on the console if errors in sending */
#define LOG_ODELAY      0x04    /* delay open until first syslog() (default) */
#define LOG_NDELAY      0x08    /* don't delay open */
#define LOG_NOWAIT      0x10    /* don't wait for console forks: DEPRECATED */
#define LOG_PERROR      0x20    /* log to stderr as well */