/*
 * Copyright 2003-2012 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SYSLOG_H_
#define _SYSLOG_H_


#include <stdarg.h>


/* options for openlog() */

#define LOG_PID                 (1 << 12)       /* log the process (thread/team) ID with each message */
#define LOG_CONS                (2 << 12)       /* log to the system console on error */
#define LOG_ODELAY              (4 << 12)       /* delay open until syslog() is called */
#define LOG_NDELAY              (8 << 12)       /* connect to the syslog daemon immediately */
#define LOG_SERIAL              (16 << 12)      /* dump to serial output as well (not implemented) */
#define LOG_PERROR              (32 << 12)      /* dump to stderr as well */
#define LOG_NOWAIT              (64 << 12)      /* do not wait for child processes */


/* facilities */

#define LOG_KERN                (0 << 3)        /* messages generated by the kernel */
#define LOG_USER                (1 << 3)        /* by user processes */
#define LOG_MAIL                (2 << 3)
#define LOG_DAEMON              (3 << 3)
#define LOG_AUTH                (4 << 3)
#define LOG_SYSLOG              (5 << 3)        /* messages generated internally by syslogd */
#define LOG_LPR                 (6 << 3)
#define LOG_NEWS                (7 << 3)
#define LOG_UUCP                (8 << 3)
#define LOG_CRON                (9 << 3)
#define LOG_AUTHPRIV    (10 << 3)       /* security/authorization messages (private) */
#define LOG_FTP                 (11 << 3)

/* these are for local use: */
#define LOG_LOCAL0              (16 << 3)
#define LOG_LOCAL1              (17 << 3)
#define LOG_LOCAL2              (18 << 3)
#define LOG_LOCAL3              (19 << 3)
#define LOG_LOCAL4              (20 << 3)
#define LOG_LOCAL5              (21 << 3)
#define LOG_LOCAL6              (22 << 3)
#define LOG_LOCAL7              (23 << 3)

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

/* priorities */

#define LOG_EMERG               0       /* a panic condition */
#define LOG_PANIC               LOG_EMERG
#define LOG_ALERT               1       /* a condition that should be corrected immediately */
#define LOG_CRIT                2       /* critical conditions like hard drive errors */
#define LOG_ERR                 3
#define LOG_WARNING             4
#define LOG_NOTICE              5
#define LOG_INFO                6
#define LOG_DEBUG               7

#define LOG_PRIMASK             (0x7)   /* mask to extract priority part */
#define LOG_PRI(p)              ((p) & LOG_PRIMASK)

/* turns a priority into a mask usable for setlogmask() */
#define LOG_MASK(pri)   (1 << (pri))
#define LOG_UPTO(pri)   ((1 << ((pri) + 1)) - 1)


#ifdef __cplusplus
extern "C" {
#endif

/* POSIX calls */
extern void     closelog(void);
extern void     openlog(const char *ident, int options, int facility);
extern int      setlogmask(int priorityMask);
extern void     syslog(int priority, const char *message, ...);

/* Be extensions */
extern void     closelog_team(void);
extern void     openlog_team(const char *ident, int logopt, int facility);
extern void log_team(int priority, const char *message, ...);
extern int      setlogmask_team(int priorityMask);

extern void     closelog_thread(void);
extern void     openlog_thread(const char *ident, int logopt, int facility);
extern void log_thread(int priority, const char *message, ...);
extern int      setlogmask_thread(int priorityMask);

/* BSD extensions */
extern void     vsyslog(int priority, const char *message, va_list args);

#ifdef __cplusplus
}
#endif

#endif  /* _SYSLOG_H_ */