workbench/network/stacks/AROSTCP/dhcp/includes/omapip/alloc.h

   1 /* alloc.h
   2
   3    Definitions for the object management API protocol memory allocation... */
   4
   5 /*
   6  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
   7  * Copyright (c) 1996-2003 by Internet Software Consortium
   8  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  19  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  *
  21  *   Internet Systems Consortium, Inc.
  22  *   950 Charter Street
  23  *   Redwood City, CA 94063
  24  *   <info@isc.org>
  25  *   http://www.isc.org/
  26  *
  27  * This software has been written for Internet Systems Consortium
  28  * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
  29  * To learn more about Internet Systems Consortium, see
  30  * ``http://www.isc.org/''.  To learn more about Vixie Enterprises,
  31  * see ``http://www.vix.com''.   To learn more about Nominum, Inc., see
  32  * ``http://www.nominum.com''.
  33  */
  34
  35 isc_result_t omapi_buffer_new (omapi_buffer_t **, const char *, int);
  36 isc_result_t omapi_buffer_reference (omapi_buffer_t **,
  37                                      omapi_buffer_t *, const char *, int);
  38 isc_result_t omapi_buffer_dereference (omapi_buffer_t **, const char *, int);
  39
  40 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
  41                 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
  42 #define DMDOFFSET (sizeof (struct dmalloc_preamble))
  43 #define DMLFSIZE 16
  44 #define DMUFSIZE 16
  45 #define DMDSIZE (DMDOFFSET + DMLFSIZE + DMUFSIZE)
  46
  47 struct dmalloc_preamble {
  48         struct dmalloc_preamble *prev, *next;
  49         const char *file;
  50         int line;
  51         size_t size;
  52         unsigned long generation;
  53         unsigned char low_fence [DMLFSIZE];
  54 };
  55 #else
  56 #define DMDOFFSET 0
  57 #define DMDSIZE 0
  58 #endif
  59
  60 /* rc_history flags... */
  61 #define RC_LEASE        1
  62 #define RC_MISC         2
  63
  64 #if defined (DEBUG_RC_HISTORY)
  65 #if !defined (RC_HISTORY_MAX)
  66 # define RC_HISTORY_MAX 256
  67 #endif
  68
  69 #if !defined (RC_HISTORY_FLAGS)
  70 # define RC_HISTORY_FLAGS (RC_LEASE | RC_MISC)
  71 #endif
  72
  73 struct rc_history_entry {
  74         const char *file;
  75         int line;
  76         void *reference;
  77         void *addr;
  78         int refcnt;
  79 };
  80
  81 #define rc_register(x, l, r, y, z, d, f) do { \
  82                 if (RC_HISTORY_FLAGS & ~(f)) { \
  83                         rc_history [rc_history_index].file = (x); \
  84                         rc_history [rc_history_index].line = (l); \
  85                         rc_history [rc_history_index].reference = (r); \
  86                         rc_history [rc_history_index].addr = (y); \
  87                         rc_history [rc_history_index].refcnt = (z); \
  88                         rc_history_next (d); \
  89                 } \
  90         } while (0)
  91 #define rc_register_mdl(r, y, z, d, f) \
  92         rc_register (__FILE__, __LINE__, r, y, z, d, f)
  93 #else
  94 #define rc_register(file, line, reference, addr, refcnt, d, f)
  95 #define rc_register_mdl(reference, addr, refcnt, d, f)
  96 #endif
  97
  98 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
  99                 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
 100 extern struct dmalloc_preamble *dmalloc_list;
 101 extern unsigned long dmalloc_outstanding;
 102 extern unsigned long dmalloc_longterm;
 103 extern unsigned long dmalloc_generation;
 104 extern unsigned long dmalloc_cutoff_generation;
 105 #endif
 106
 107 #if defined (DEBUG_RC_HISTORY)
 108 extern struct rc_history_entry rc_history [RC_HISTORY_MAX];
 109 extern int rc_history_index;
 110 extern int rc_history_count;
 111 #endif