FreeBSD/Linux Kernel Cross Reference
sys/sys/syslog.h

     /*-
      * Copyright (c) 1982, 1986, 1988, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)syslog.h    8.1 (Berkeley) 6/2/93
     * $FreeBSD: src/sys/sys/syslog.h,v 1.27 2009/03/14 19:07:25 das Exp $
     * $DragonFly: src/sys/sys/syslog.h,v 1.5 2006/12/23 00:27:03 swildner Exp $
     */
    
    #ifndef _SYS_SYSLOG_H_
    #define _SYS_SYSLOG_H_
    
    #define _PATH_LOG       "/var/run/log"
    #define _PATH_LOG_PRIV  "/var/run/logpriv"
    #define _PATH_OLDLOG    "/dev/log"      /* backward compatibility */
    
    /*
     * 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    /* mask to extract priority part (internal) */
                                    /* extract priority */
    #define LOG_PRI(p)      ((p) & LOG_PRIMASK)
    #define LOG_MAKEPRI(fac, pri)   ((fac) | (pri))
    
    #ifdef SYSLOG_NAMES
    #define INTERNAL_NOPRI  0x10    /* the "no priority" priority */
                                    /* mark "facility" */
    #define INTERNAL_MARK   LOG_MAKEPRI((LOG_NFACILITIES<<3), 0)
    typedef struct _code {
            const char      *c_name;
            int             c_val;
    } CODE;
    
    CODE prioritynames[] = {
            { "alert",      LOG_ALERT,      },
            { "crit",       LOG_CRIT,       },
            { "debug",      LOG_DEBUG,      },
            { "emerg",      LOG_EMERG,      },
            { "err",        LOG_ERR,        },
            { "error",      LOG_ERR,        },      /* DEPRECATED */
            { "info",       LOG_INFO,       },
            { "none",       INTERNAL_NOPRI, },      /* INTERNAL */
            { "notice",     LOG_NOTICE,     },
            { "panic",      LOG_EMERG,      },      /* DEPRECATED */
            { "warn",       LOG_WARNING,    },      /* DEPRECATED */
            { "warning",    LOG_WARNING,    },
            { NULL,         -1,             }
    };
    #endif
    
    /* 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)  /* 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) /* authorization messages (private) */
                                   /* Facility #10 clashes in DEC UNIX, where */
                                   /* it's defined as LOG_MEGASAFE for AdvFS  */
                                   /* event logging.                          */
   #define LOG_FTP         (11<<3) /* ftp daemon */
   #define LOG_NTP         (12<<3) /* NTP subsystem */
   #define LOG_SECURITY    (13<<3) /* security subsystems (firewalling, etc.) */
   #define LOG_CONSOLE     (14<<3) /* /dev/console output */
   
           /* 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)
   
   #ifdef SYSLOG_NAMES
   CODE facilitynames[] = {
           { "auth",       LOG_AUTH,       },
           { "authpriv",   LOG_AUTHPRIV,   },
           { "console",    LOG_CONSOLE,    },
           { "cron",       LOG_CRON,       },
           { "daemon",     LOG_DAEMON,     },
           { "ftp",        LOG_FTP,        },
           { "kern",       LOG_KERN,       },
           { "lpr",        LOG_LPR,        },
           { "mail",       LOG_MAIL,       },
           { "mark",       INTERNAL_MARK,  },      /* INTERNAL */
           { "news",       LOG_NEWS,       },
           { "ntp",        LOG_NTP,        },
           { "security",   LOG_SECURITY,   },
           { "syslog",     LOG_SYSLOG,     },
           { "user",       LOG_USER,       },
           { "uucp",       LOG_UUCP,       },
           { "local0",     LOG_LOCAL0,     },
           { "local1",     LOG_LOCAL1,     },
           { "local2",     LOG_LOCAL2,     },
           { "local3",     LOG_LOCAL3,     },
           { "local4",     LOG_LOCAL4,     },
           { "local5",     LOG_LOCAL5,     },
           { "local6",     LOG_LOCAL6,     },
           { "local7",     LOG_LOCAL7,     },
           { NULL,         -1,             }
   };
   #endif
   
   #ifdef _KERNEL
   #define LOG_PRINTF      -1      /* pseudo-priority to indicate use of kprintf */
   #endif
   
   /*
    * 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 */
   
   #ifdef _KERNEL
   
   #else /* not _KERNEL */
   
   /*
    * Don't use va_list in the vsyslog() prototype.   Va_list is typedef'd in two
    * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
    * of them here we may collide with the utility's includes.  It's unreasonable
    * for utilities to have to include one of them to include syslog.h, so we get
    * __va_list from <sys/types.h> and use it.
    */
   #include <sys/cdefs.h>
   #include <sys/types.h>
   
   __BEGIN_DECLS
   void    closelog(void);
   void    openlog(const char *, int, int);
   int     setlogmask(int);
   void    syslog(int, const char *, ...) __printflike(2, 3);
   #if __BSD_VISIBLE
   void    vsyslog(int, const char *, __va_list) __printflike(2, 0);
   #endif
   __END_DECLS
   
   #endif /* !_KERNEL */
   
   #endif

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