Introduction

Copied from /etc/sys/syslog.h on a Solaris 10 system

Details

/*
 *  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)  /* netnews subsystem */
#define LOG_UUCP        (8<<3)  /* uucp subsystem */
#define LOG_AUDIT       (13<<3) /* audit subsystem */
#define LOG_CRON        (15<<3) /* cron/at subsystem */
        /* 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      /* maximum number of facilities */
#define LOG_FACMASK     0x03f8  /* mask to extract facility part */

/*
 *  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 signification condition */
#define LOG_INFO        6       /* informational */
#define LOG_DEBUG       7       /* debug-level messages */

#define LOG_PRIMASK     0x0007  /* mask to extract priority part (internal) */

/*
 * 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 */

/*