include/sys/strlog.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SYS_STRLOG_H
  32 #define _SYS_STRLOG_H
  33
  34 #include <sys/types.h>
  35 #include <sys/types32.h>
  36
  37 #ifdef  __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 /*
  42  * Streams Log Driver Interface Definitions
  43  */
  44
  45 /*
  46  * structure of control portion of log message
  47  */
  48 typedef struct log_ctl {
  49         short   mid;
  50         short   sid;
  51         char    level;          /* level of message for tracing */
  52         short   flags;          /* message disposition */
  53 #if defined(_LP64) || defined(_I32LPx)
  54         clock32_t ltime;        /* time in machine ticks since boot */
  55         time32_t ttime;         /* time in seconds since 1970 */
  56 #else
  57         clock_t ltime;
  58         time_t  ttime;
  59 #endif
  60         int     seq_no;         /* sequence number */
  61         int     pri;            /* priority = (facility|level) */
  62 } log_ctl_t;
  63
  64 /*
  65  * Public flags for log messages
  66  */
  67 #define SL_FATAL        0x01    /* indicates fatal error */
  68 #define SL_NOTIFY       0x02    /* logger must notify administrator */
  69 #define SL_ERROR        0x04    /* include on the error log */
  70 #define SL_TRACE        0x08    /* include on the trace log */
  71 #define SL_CONSOLE      0x10    /* include on the console log */
  72 #define SL_WARN         0x20    /* warning message */
  73 #define SL_NOTE         0x40    /* notice message */
  74
  75 /*
  76  * Private flags for log messages -- used by internal implementation only
  77  */
  78 #define SL_CONSONLY     0x1000  /* send message only to /dev/console */
  79 #define SL_LOGONLY      0x2000  /* send message only to /var/log/messages */
  80 #define SL_USER         0x4000  /* send message to user's terminal */
  81 #define SL_PANICMSG     0x8000  /* message was created while panicking */
  82
  83 /*
  84  * Structure defining ids and levels desired by the tracer (I_TRCLOG).
  85  */
  86 typedef struct trace_ids {
  87         short   ti_mid;
  88         short   ti_sid;
  89         int8_t  ti_level;
  90 } trace_ids_t;
  91
  92 /*
  93  * Log Driver I_STR ioctl commands
  94  */
  95
  96 #define LOGCTL          (('L')<<8)
  97 #define I_TRCLOG        (LOGCTL|1)      /* process is tracer */
  98 #define I_ERRLOG        (LOGCTL|2)      /* process is error logger */
  99 #define I_CONSLOG       (LOGCTL|3)      /* process is console logger */
 100
 101 #define STRLOG_MAKE_MSGID(fmt, msgid)                                   \
 102 {                                                                       \
 103         uchar_t *__cp = (uchar_t *)fmt;                                 \
 104         uchar_t __c;                                                    \
 105         uint32_t __id = 0;                                              \
 106         while ((__c = *__cp++) != '\0')                                 \
 107                 if (__c >= ' ')                                         \
 108                         __id = (__id >> 5) + (__id << 27) + __c;        \
 109         msgid = (__id % 899981) + 100000;                               \
 110 }
 111
 112 #ifdef _KERNEL
 113
 114 #ifndef _ASM
 115 #include <sys/va_list.h>
 116 #endif
 117
 118 /*PRINTFLIKE5*/
 119 extern int strlog(short, short, char, unsigned short, char *, ...)
 120         __KPRINTFLIKE(5);
 121 extern int vstrlog(short, short, char, unsigned short, char *, __va_list)
 122         __KVPRINTFLIKE(5);
 123
 124 /*
 125  * STRLOG(mid,sid,level,flags,fmt,args) should be used for those trace
 126  * calls that are only to be made during debugging.
 127  */
 128 #if defined(DEBUG) || defined(__lint)
 129 #define STRLOG  strlog
 130 #else
 131 #define STRLOG  0 && strlog
 132 #endif  /* DEBUG || __lint */
 133
 134 #endif  /* _KERNEL */
 135
 136 #ifdef  __cplusplus
 137 }
 138 #endif
 139
 140 #endif  /* _SYS_STRLOG_H */