X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/5b2abdfbf4211b6592cdd02b9507555a0ecbb04b..5f4d86c1219d56604890d932a3152b3b5dd15b55:/gen/scalable_malloc.h?ds=sidebyside diff --git a/gen/scalable_malloc.h b/gen/scalable_malloc.h index 8891c3d..e6f4b02 100644 --- a/gen/scalable_malloc.h +++ b/gen/scalable_malloc.h @@ -3,24 +3,25 @@ * * @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 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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@ */ -#import +#import #define SCALABLE_MALLOC_ADD_GUARD_PAGES (1 << 0) // add a guard page before and after each VM region to help debug @@ -30,18 +31,17 @@ // do not protect postlude page #define SCALABLE_MALLOC_DO_SCRIBBLE (1 << 3) // write 0x55 onto free blocks - +#define SCALABLE_MALLOC_ABORT_ON_ERROR (1 << 4) + // call abort() on a malloc or free error, such as a double free + extern malloc_zone_t *create_scalable_zone(size_t initial_size, unsigned debug_flags); /* Create a new zone that scales for small objects or large objects */ /***** Private API for debug and performance tools ********/ -#define scalable_zone_info_count 9 // maximum number of numbers - -extern void scalable_zone_info(malloc_zone_t *zone, unsigned *info, unsigned count); - /* Fills info[] with some statistical information: - info[0]: number of objects in use - info[1]: number of bytes in use - ... +extern boolean_t scalable_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats, unsigned subzone); + /* Fills stats with some statistics; + 1 is returned on success; else 0 is returned + Currently: subzone=0 => tiny; subzone=1 => small; subzone=2 => large; subzone=3 => huge; any other subzone => returns 0 */