Revert of Componentize TemplateURLService (https://codereview.chromium.org/367023002/)
[chromium-blink-merge.git] / third_party / apple_apsl / malloc.h
blob9fd1d5d4708a9c3d7cb3e023fadea7f798649871
1 /*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
21 * @APPLE_LICENSE_HEADER_END@
24 #ifndef THIRD_PARTY_APPLE_APSL_MALLOC_H_
25 #define THIRD_PARTY_APPLE_APSL_MALLOC_H_
27 typedef struct _ChromeMallocZone {
28 /* Only zone implementors should depend on the layout of this structure;
29 Regular callers should use the access functions below */
30 void *reserved1; /* RESERVED FOR CFAllocator DO NOT USE */
31 void *reserved2; /* RESERVED FOR CFAllocator DO NOT USE */
32 size_t (*size)(struct _malloc_zone_t *zone, const void *ptr); /* returns the size of a block or 0 if not in this zone; must be fast, especially for negative answers */
33 void *(*malloc)(struct _malloc_zone_t *zone, size_t size);
34 void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */
35 void *(*valloc)(struct _malloc_zone_t *zone, size_t size); /* same as malloc, but block returned is set to zero and is guaranteed to be page aligned */
36 void (*free)(struct _malloc_zone_t *zone, void *ptr);
37 void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size);
38 void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
39 const char *zone_name;
41 /* Optional batch callbacks; these may be NULL */
42 unsigned (*batch_malloc)(struct _malloc_zone_t *zone, size_t size, void **results, unsigned num_requested); /* given a size, returns pointers capable of holding that size; returns the number of pointers allocated (maybe 0 or less than num_requested) */
43 void (*batch_free)(struct _malloc_zone_t *zone, void **to_be_freed, unsigned num_to_be_freed); /* frees all the pointers in to_be_freed; note that to_be_freed may be overwritten during the process */
45 struct malloc_introspection_t *introspect;
46 unsigned version;
48 /* aligned memory allocation. The callback may be NULL. Present in version >= 5. */
49 void *(*memalign)(struct _malloc_zone_t *zone, size_t alignment, size_t size);
51 /* free a pointer known to be in zone and known to have the given size. The callback may be NULL. Present in version >= 6.*/
52 void (*free_definite_size)(struct _malloc_zone_t *zone, void *ptr, size_t size);
54 /* Empty out caches in the face of memory pressure. The callback may be NULL. Present in version >= 8. */
55 size_t (*pressure_relief)(struct _malloc_zone_t *zone, size_t goal);
56 } ChromeMallocZone;
58 #endif // THIRD_PARTY_APPLE_APSL_MALLOC_H_