1 /* 2 * Copyright (c) 2011 Apple Inc. All rights reserved. 3 * 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. 12 * 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. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 /* CFBase.c 24 Copyright (c) 1998-2011, Apple Inc. All rights reserved. 25 Responsibility: Christopher Kane 26 */ 27 28 #ifndef THIRD_PARTY_APPLE_APSL_CFBASE_H_ 29 #define THIRD_PARTY_APPLE_APSL_CFBASE_H_ 30 31 #include "CFRuntime.h" 32 33 struct ChromeCFAllocatorLions { 34 ChromeCFRuntimeBase _base; 35 #if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED 36 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 */ 37 void *(*malloc)(struct _malloc_zone_t *zone, size_t size); 38 void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */ 39 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 */ 40 void (*free)(struct _malloc_zone_t *zone, void *ptr); 41 void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size); 42 void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */ 43 const char *zone_name; 44 45 /* Optional batch callbacks; these may be NULL */ 46 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) */ 47 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 */ 48 49 struct malloc_introspection_t *introspect; 50 unsigned version; 51 52 /* aligned memory allocation. The callback may be NULL. */ 53 void *(*memalign)(struct _malloc_zone_t *zone, size_t alignment, size_t size); 54 55 /* free a pointer known to be in zone and known to have the given size. The callback may be NULL. */ 56 void (*free_definite_size)(struct _malloc_zone_t *zone, void *ptr, size_t size); 57 #endif 58 CFAllocatorRef _allocator; 59 CFAllocatorContext _context; 60 }; 61 62 #endif // THIRD_PARTY_APPLE_APSL_CFBASE_H_ 63