projects / apple / libc.git / blame
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|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 734aad71 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| e9ce8d39 | 7 | * |
| 734aad71 A |
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 | |
| e9ce8d39 A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 734aad71 A |
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. | |
| e9ce8d39 A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | ||
| 26 | #import <objc/malloc.h> | |
| 27 | ||
| 28 | typedef malloc_zone_t NXZone; | |
| 29 | ||
| 30 | #define NX_NOZONE ((NXZone *)0) | |
| 31 | ||
| 32 | /********* Interface to zone based malloc ************/ | |
| 33 | ||
| 34 | extern NXZone *NXDefaultMallocZone(void); | |
| 35 | // Returns the default zone used by the malloc(3) calls | |
| 36 | ||
| 37 | extern NXZone *NXCreateZone(size_t startSize, size_t granularity, int canFree); | |
| 38 | // Create a new zone with its own memory pool. | |
| 39 | // canfree: if 0 the allocator will never free memory and mallocing will be fast | |
| 40 | ||
| 41 | extern void NXNameZone(NXZone *z, const char *name); | |
| 42 | // name a zone; The string will be copied | |
| 43 | ||
| 44 | extern void *NXZoneMalloc(malloc_zone_t *zone, size_t size); | |
| 45 | ||
| 46 | extern void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size); | |
| 47 | ||
| 48 | extern void *NXZoneCalloc(NXZone *zonep, size_t numElems, size_t byteSize); | |
| 49 | // Allocates and then clears | |
| 50 | ||
| 51 | extern void NXZoneFree(malloc_zone_t *zone, void *ptr); | |
| 52 | ||
| 53 | extern void NXDestroyZone(malloc_zone_t *zone); | |
| 54 | ||
| 55 | extern NXZone *NXZoneFromPtr(void *ptr); | |
| 56 | // Returns the zone for a pointer, or NX_NOZONE if not in any zone. | |
| 57 | // The ptr must have been returned from a malloc or realloc call. | |
| 58 |