gen/zone.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 #import <objc/zone.h>
  27 #import <stdio.h>
  28 #import <libc.h>
  29
  30 /*********      NX functions    ************/
  31
  32 malloc_zone_t *NXDefaultMallocZone() {
  33     return malloc_default_zone();
  34 }
  35
  36 malloc_zone_t *NXCreateZone(size_t startsize, size_t granularity, int canfree) {
  37     return malloc_create_zone(startsize, 0);
  38 }
  39
  40 void NXNameZone(malloc_zone_t *z, const char *name) {
  41     malloc_set_zone_name(z, name);
  42 }
  43
  44 void *NXZoneMalloc(malloc_zone_t *zone, size_t size) {
  45     return malloc_zone_malloc(zone, size);
  46 }
  47
  48 void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size) {
  49     return malloc_zone_realloc(zone, ptr, size);
  50 }
  51
  52 void *NXZoneCalloc(malloc_zone_t *zone, size_t num_items, size_t size) {
  53     return malloc_zone_calloc(zone, num_items, size);
  54 }
  55
  56 void NXZoneFree(malloc_zone_t *zone, void *ptr) {
  57     malloc_zone_free(zone, ptr);
  58 }
  59
  60 void NXDestroyZone(malloc_zone_t *zone) {
  61     if (zone == malloc_default_zone()) return; // we avoid destroying child zones
  62     malloc_destroy_zone(zone);
  63 }
  64
  65 NXZone *NXZoneFromPtr(void *ptr) {
  66     NXZone      *zone = malloc_zone_from_ptr(ptr);
  67     if (!zone) {
  68         fprintf(stderr, "*** malloc[%d]: NXZoneFromPtr() did not find any zone for %p; returning default\n", getpid(), ptr);
  69         zone = NX_NOZONE;
  70     }
  71     return zone;
  72 }
  73
  74 void NXAddRegion(void *start, size_t size, malloc_zone_t *zone) {
  75     fprintf(stderr, "*** malloc[%d]: OBSOLETE: NXAddRegion()\n", getpid());
  76 }
  77
  78 void NXRemoveRegion(void *start) {
  79     fprintf(stderr, "*** malloc[%d]: OBSOLETE: NXRemoveRegion()\n", getpid());
  80 }
  81
  82 void NXZonePtrInfo(void *ptr) {
  83     malloc_zone_print_ptr_info(ptr);
  84 }
  85
  86 int NXMallocCheck(void) {
  87     malloc_zone_check(NULL);
  88     return 1;
  89 }
  90
  91 void _NXMallocDumpZones(void) {
  92     malloc_zone_print(NULL, 0);
  93 }
  94
  95 /*****************      UNIMPLEMENTED ENTRY POINTS      ********************/
  96
  97 void NXMergeZone(malloc_zone_t *z) {
  98     static char warned = 0;
  99     if (!warned) {
 100         fprintf(stderr, "*** malloc[%d]: NXMergeZone() now obsolete, does nothing\n", getpid());
 101         warned = 1;
 102     }
 103 }
 104
 105 boolean_t NXProtectZone(malloc_zone_t *zone, int protection) {
 106     fprintf(stderr, "*** malloc[%d]: NXProtectZone() is obsolete\n", getpid());
 107     return 0;
 108 }
 109
 110 malloc_zone_t *NXCreateChildZone(malloc_zone_t *parentzone, size_t startsize, size_t granularity, int canfree) {
 111     // We can not remove this one as it is still used by IndexingKit
 112     static char warned = 0;
 113     if (!warned) {
 114         fprintf(stderr, "*** malloc[%d]: NXCreateChildZone() now obsolete, has been defined to create new zone\n", getpid());
 115         warned = 1;
 116     }
 117     return NXCreateZone(startsize, granularity, canfree);
 118 }
 119
 120 void _NXMallocDumpFrees(void) {
 121     fprintf(stderr, "*** malloc[%d]: OBSOLETE: _NXMallocDumpFrees()\n", getpid());
 122 }
 123