/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #import <objc/malloc.h> typedef malloc_zone_t NXZone; #define NX_NOZONE ((NXZone *)0) /********* Interface to zone based malloc ************/ extern NXZone *NXDefaultMallocZone(void); // Returns the default zone used by the malloc(3) calls extern NXZone *NXCreateZone(size_t startSize, size_t granularity, int canFree); // Create a new zone with its own memory pool. // canfree: if 0 the allocator will never free memory and mallocing will be fast extern void NXNameZone(NXZone *z, const char *name); // name a zone; The string will be copied extern void *NXZoneMalloc(malloc_zone_t *zone, size_t size); extern void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size); extern void *NXZoneCalloc(NXZone *zonep, size_t numElems, size_t byteSize); // Allocates and then clears extern void NXZoneFree(malloc_zone_t *zone, void *ptr); extern void NXDestroyZone(malloc_zone_t *zone); extern NXZone *NXZoneFromPtr(void *ptr); // Returns the zone for a pointer, or NX_NOZONE if not in any zone. // The ptr must have been returned from a malloc or realloc call.