101 lines
3.7 KiB
C
101 lines
3.7 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-09-07 armink the first version
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*/
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#ifndef _SYSLOG_H_
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#define _SYSLOG_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* priorities/facilities are encoded into a single 32-bit quantity, where the
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* bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
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* (0-big number). Both the priorities and the facilities map roughly
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* one-to-one to strings in the syslogd(8) source code. This mapping is
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* included in this file.
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*
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* priorities (these are ordered)
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*/
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#define LOG_EMERG 0 /* system is unusable */
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#define LOG_ALERT 1 /* action must be taken immediately */
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#define LOG_CRIT 2 /* critical conditions */
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#define LOG_ERR 3 /* error conditions */
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#define LOG_WARNING 4 /* warning conditions */
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#define LOG_NOTICE 5 /* normal but significant condition */
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#define LOG_INFO 6 /* informational */
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#define LOG_DEBUG 7 /* debug-level messages */
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#define LOG_PRIMASK 0x07
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#define LOG_PRI(p) ((p) & LOG_PRIMASK)
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#define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
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/* facility codes */
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#define LOG_KERN (0<<3) /* kernel messages */
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#define LOG_USER (1<<3) /* random user-level messages */
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#define LOG_MAIL (2<<3) /* mail system */
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#define LOG_DAEMON (3<<3) /* system daemons */
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#define LOG_AUTH (4<<3) /* security/authorization messages */
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#define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
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#define LOG_LPR (6<<3) /* line printer subsystem */
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#define LOG_NEWS (7<<3) /* network news subsystem */
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#define LOG_UUCP (8<<3) /* UUCP subsystem */
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#define LOG_CRON (9<<3) /* clock daemon */
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#define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */
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/* other codes through 15 reserved for system use */
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#define LOG_LOCAL0 (16<<3) /* reserved for local use */
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#define LOG_LOCAL1 (17<<3) /* reserved for local use */
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#define LOG_LOCAL2 (18<<3) /* reserved for local use */
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#define LOG_LOCAL3 (19<<3) /* reserved for local use */
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#define LOG_LOCAL4 (20<<3) /* reserved for local use */
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#define LOG_LOCAL5 (21<<3) /* reserved for local use */
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#define LOG_LOCAL6 (22<<3) /* reserved for local use */
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#define LOG_LOCAL7 (23<<3) /* reserved for local use */
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#define LOG_NFACILITIES 24 /* current number of facilities */
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#define LOG_FACMASK 0x03f8 /* mask to extract facility part */
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/* facility of pri */
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#define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
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/*
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* arguments to setlogmask.
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*/
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#define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
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#define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
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/*
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* Option flags for openlog.
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*
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* LOG_ODELAY no longer does anything.
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* LOG_NDELAY is the inverse of what it used to be.
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*/
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#define LOG_PID 0x01 /* log the pid with each message */
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#define LOG_CONS 0x02 /* log on the console if errors in sending */
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#define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
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#define LOG_NDELAY 0x08 /* don't delay open */
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#define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
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#define LOG_PERROR 0x20 /* log to stderr as well */
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#include <stdarg.h>
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void closelog(void);
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void openlog(const char *ident, int option, int facility);
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int setlogmask(int mask);
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void syslog(int priority, const char *format, ...);
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void vsyslog(int priority, const char *format, va_list args);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSLOG_H_ */
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