sys/dev/raidframe/rf_debugMem.h

   1 /*      $NetBSD: rf_debugMem.h,v 1.10.6.3 2004/09/21 13:32:52 skrll Exp $       */
   2 /*
   3  * Copyright (c) 1995 Carnegie-Mellon University.
   4  * All rights reserved.
   5  *
   6  * Author: Daniel Stodolsky, Mark Holland
   7  *
   8  * Permission to use, copy, modify and distribute this software and
   9  * its documentation is hereby granted, provided that both the copyright
  10  * notice and this permission notice appear in all copies of the
  11  * software, derivative works or modified versions, and any portions
  12  * thereof, and that both notices appear in supporting documentation.
  13  *
  14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  17  *
  18  * Carnegie Mellon requests users of this software to return to
  19  *
  20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  21  *  School of Computer Science
  22  *  Carnegie Mellon University
  23  *  Pittsburgh PA 15213-3890
  24  *
  25  * any improvements or extensions that they make and grant Carnegie the
  26  * rights to redistribute these changes.
  27  */
  28
  29 /*
  30  * rf_debugMem.h -- memory leak debugging module
  31  *
  32  * IMPORTANT:  if you put the lock/unlock mutex stuff back in here, you
  33  *             need to take it out of the routines in debugMem.c
  34  *
  35  */
  36
  37 #ifndef _RF__RF_DEBUGMEM_H_
  38 #define _RF__RF_DEBUGMEM_H_
  39
  40 #include "rf_alloclist.h"
  41
  42 #include <sys/types.h>
  43 #include <sys/malloc.h>
  44
  45 #ifndef RF_DEBUG_MEM
  46 #define RF_DEBUG_MEM 0
  47 #endif
  48
  49 #if RF_DEBUG_MEM
  50 #define RF_Malloc(_p_, _size_, _cast_)                                      \
  51   {                                                                         \
  52      _p_ = _cast_ malloc((u_long)_size_, M_RAIDFRAME, M_WAITOK);            \
  53      memset((char *)_p_, 0, _size_);                                        \
  54      if (rf_memDebug) rf_record_malloc(_p_, _size_, __LINE__, __FILE__);    \
  55   }
  56 #else
  57 #define RF_Malloc(_p_, _size_, _cast_)                                      \
  58   {                                                                         \
  59      _p_ = _cast_ malloc((u_long)_size_, M_RAIDFRAME, M_WAITOK);            \
  60      memset((char *)_p_, 0, _size_);                                        \
  61   }
  62 #endif
  63
  64 #define RF_MallocAndAdd(__p_, __size_, __cast_, __alist_)                   \
  65   {                                                                         \
  66      RF_Malloc(__p_, __size_, __cast_);                                     \
  67      if (__alist_) rf_AddToAllocList(__alist_, __p_, __size_);              \
  68   }
  69
  70 #if RF_DEBUG_MEM
  71 #define RF_Free(_p_, _sz_)                                                  \
  72   {                                                                         \
  73      free((void *)(_p_), M_RAIDFRAME);                                      \
  74      if (rf_memDebug) rf_unrecord_malloc(_p_, (u_int32_t) (_sz_));          \
  75   }
  76 #else
  77 #define RF_Free(_p_, _sz_)                                                  \
  78   {                                                                         \
  79      free((void *)(_p_), M_RAIDFRAME);                                      \
  80   }
  81 #endif
  82
  83 void    rf_record_malloc(void *p, int size, int line, char *filen);
  84 void    rf_unrecord_malloc(void *p, int sz);
  85 void    rf_print_unfreed(void);
  86 int     rf_ConfigureDebugMem(RF_ShutdownList_t ** listp);
  87
  88 #endif                          /* !_RF__RF_DEBUGMEM_H_ */