sys/ufs/chfs/debug.h

   1 /*      $NetBSD: debug.h,v 1.2 2012/04/12 15:31:01 ttoth Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2010 Department of Software Engineering,
   5  *                    University of Szeged, Hungary
   6  * All rights reserved.
   7  *
   8  * This code is derived from software contributed to The NetBSD Foundation
   9  * by the Department of Software Engineering, University of Szeged, Hungary
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef __CHFS_DEBUG_H__
  34 #define __CHFS_DEBUG_H__
  35
  36 #define CHFS_ERROR_PREFIX       "[CHFS ERROR]"
  37 #define CHFS_WARNING_PREFIX     "[CHFS WARNING]"
  38 #define CHFS_NOTICE_PREFIX      "[CHFS NOTICE]"
  39 #define CHFS_DBG_PREFIX "[CHFS DBG]"
  40 #define CHFS_DBG2_PREFIX        "[CHFS DBG2]"
  41 #define CHFS_DBG_EBH_PREFIX     "[CHFS DBG EBH]"
  42 #define CHFS_DBG_GC_PREFIX      "[CHFS_GC DBG]"
  43
  44 #define unlikely(x) __builtin_expect ((x), 0)
  45
  46
  47
  48 #define debug_msg(pref, fmt, ...)                                              \
  49         do {                                                                   \
  50                 printf(pref                                                    \
  51                         " %s: " fmt, __FUNCTION__ , ##__VA_ARGS__);            \
  52         } while(0)
  53
  54 #define chfs_assert(expr) do {                                               \
  55         if (unlikely(!(expr))) {                                               \
  56                 printf("CHFS assert failed in %s at %u\n", \
  57                         __func__, __LINE__);                     \
  58                 /*dump_stack();*/                                                  \
  59         }                                                                      \
  60 } while (0)
  61
  62 #ifdef DBG_MSG
  63         #define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
  64         #define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
  65         #define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
  66         #define dbg(fmt, ...) debug_msg(CHFS_DBG_PREFIX, fmt, ##__VA_ARGS__)
  67         #define dbg2(fmt, ...) debug_msg(CHFS_DBG2_PREFIX(fmt, ##__VA_ARGS__)
  68         #define dbg_ebh(fmt, ...) debug_msg(CHFS_DBG_EBH_PREFIX, fmt, ##__VA_ARGS__)
  69 #else
  70         #define chfs_err(fmt, ...) debug_msg(CHFS_ERROR_PREFIX, fmt, ##__VA_ARGS__)
  71         #define chfs_warn(fmt, ...) debug_msg(CHFS_WARNING_PREFIX, fmt, ##__VA_ARGS__)
  72         #define chfs_noti(fmt, ...) debug_msg(CHFS_NOTICE_PREFIX, fmt, ##__VA_ARGS__)
  73         #define dbg(fmt, ...)
  74         #define dbg2(fmt, ...)
  75         #define dbg_ebh(fmt, ...)
  76 #endif
  77
  78 #ifdef DBG_MSG_GC
  79         #define dbg_gc(fmt, ...) debug_msg(CHFS_DBG_GC_PREFIX, fmt, ##__VA_ARGS__)
  80 #else
  81         #define dbg_gc(fmt, ...)
  82 #endif
  83
  84 #endif /* __CHFS_DEBUG_H__ */