syslog.h

早期freebsd实现

/*
 * Copyright (c) 1982 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)syslog.h	4.6 (Berkeley) 9/17/85
 */

/*
 *  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 */
	/* codes 5 - 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 */

/*
 *  Option flags for openlog.
 */
#define	LOG_PID		01	/* log the pid with each message */
#define	LOG_CONS	02	/* log on the console if errors in sending */
#define	LOG_ODELAY	04	/* delay open until syslog() is called */