CFBase.h 3.1 KB

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  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. #ifndef THIRD_PARTY_APPLE_APSL_CFBASE_H_
  28. #define THIRD_PARTY_APPLE_APSL_CFBASE_H_
  29. #include "CFRuntime.h"
  30. struct ChromeCFAllocatorLions {
  31. ChromeCFRuntimeBase _base;
  32. #if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
  33. 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 */
  34. void *(*malloc)(struct _malloc_zone_t *zone, size_t size);
  35. void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */
  36. 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 */
  37. void (*free)(struct _malloc_zone_t *zone, void *ptr);
  38. void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size);
  39. void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
  40. 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 */
  44. struct malloc_introspection_t *introspect;
  45. unsigned version;
  46. /* aligned memory allocation. The callback may be NULL. */
  47. void *(*memalign)(struct _malloc_zone_t *zone, size_t alignment, size_t size);
  48. /* free a pointer known to be in zone and known to have the given size. The callback may be NULL. */
  49. void (*free_definite_size)(struct _malloc_zone_t *zone, void *ptr, size_t size);
  50. #endif
  51. CFAllocatorRef _allocator;
  52. CFAllocatorContext _context;
  53. };
  54. #endif // THIRD_PARTY_APPLE_APSL_CFBASE_H_