projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | ||
| 23 | #import <objc/malloc.h> | |
| 24 | ||
| 25 | typedef malloc_zone_t NXZone; | |
| 26 | ||
| 27 | #define NX_NOZONE ((NXZone *)0) | |
| 28 | ||
| 29 | /********* Interface to zone based malloc ************/ | |
| 30 | ||
| 31 | extern NXZone *NXDefaultMallocZone(void); | |
| 32 | // Returns the default zone used by the malloc(3) calls | |
| 33 | ||
| 34 | extern NXZone *NXCreateZone(size_t startSize, size_t granularity, int canFree); | |
| 35 | // Create a new zone with its own memory pool. | |
| 36 | // canfree: if 0 the allocator will never free memory and mallocing will be fast | |
| 37 | ||
| 38 | extern void NXNameZone(NXZone *z, const char *name); | |
| 39 | // name a zone; The string will be copied | |
| 40 | ||
| 41 | extern void *NXZoneMalloc(malloc_zone_t *zone, size_t size); | |
| 42 | ||
| 43 | extern void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size); | |
| 44 | ||
| 45 | extern void *NXZoneCalloc(NXZone *zonep, size_t numElems, size_t byteSize); | |
| 46 | // Allocates and then clears | |
| 47 | ||
| 48 | extern void NXZoneFree(malloc_zone_t *zone, void *ptr); | |
| 49 | ||
| 50 | extern void NXDestroyZone(malloc_zone_t *zone); | |
| 51 | ||
| 52 | extern NXZone *NXZoneFromPtr(void *ptr); | |
| 53 | // Returns the zone for a pointer, or NX_NOZONE if not in any zone. | |
| 54 | // The ptr must have been returned from a malloc or realloc call. | |
| 55 |