rttrust 0.1.3

Rust wrapper for rt-thread
Documentation 
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/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2018-09-07     armink       the first version
 */

#ifndef _SYSLOG_H_
#define _SYSLOG_H_

#ifdef __cplusplus
extern "C" {
#endif

/*
 * 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

#define LOG_PRI(p)              ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri)   (((fac) << 3) | (pri))

/* 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 */
#define LOG_AUTHPRIV    (10<<3) /* security/authorization messages (private) */

/* 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)

/*
 * 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 */

#include <stdarg.h>

void closelog(void);
void openlog(const char *ident, int option, int facility);
int setlogmask(int mask);
void syslog(int priority, const char *format, ...);
void vsyslog(int priority, const char *format, va_list args);

#ifdef __cplusplus
}
#endif

#endif /* _SYSLOG_H_ */