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Diffstat (limited to 'third_party/apple_apsl/malloc.h')
| -rw-r--r-- | third_party/apple_apsl/malloc.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/apple_apsl/malloc.h b/third_party/apple_apsl/malloc.h new file mode 100644 index 0000000..a5a409f --- /dev/null +++ b/third_party/apple_apsl/malloc.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ + +#ifndef THIRD_PARTY_APPLE_APSL_MALLOC_H_ +#define THIRD_PARTY_APPLE_APSL_MALLOC_H_ + +typedef struct _ChromeMallocZone { + /* Only zone implementors should depend on the layout of this structure; + Regular callers should use the access functions below */ + void *reserved1; /* RESERVED FOR CFAllocator DO NOT USE */ + void *reserved2; /* RESERVED FOR CFAllocator DO NOT USE */ + 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 */ + void *(*malloc)(struct _malloc_zone_t *zone, size_t size); + void *(*calloc)(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */ + 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 */ + void (*free)(struct _malloc_zone_t *zone, void *ptr); + void *(*realloc)(struct _malloc_zone_t *zone, void *ptr, size_t size); + void (*destroy)(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */ + const char *zone_name; + + /* Optional batch callbacks; these may be NULL */ + 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) */ + 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 */ + + struct malloc_introspection_t *introspect; + unsigned version; + + /* aligned memory allocation. The callback may be NULL. */ + void *(*memalign)(struct _malloc_zone_t *zone, size_t alignment, size_t size); // version >= 5 + + /* free a pointer known to be in zone and known to have the given size. The callback may be NULL. */ + void (*free_definite_size)(struct _malloc_zone_t *zone, void *ptr, size_t size); // version >= 6 +} ChromeMallocZone; + +#endif // THIRD_PARTY_APPLE_APSL_MALLOC_H_ |