1 /* 2 * Copyright (c) 2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24 #include <sys/types.h> 25 #if defined(__arm__) 26 #include <arm/arch.h> 27 #endif 28 29 #if defined(__ppc64__) || defined(__i386__) || defined(__x86_64__) 30 static int64_t __remove_counter = 0; 31 #else 32 static int32_t __remove_counter = 0; 33 #endif 34 35 __uint64_t __get_remove_counter(void)36__get_remove_counter(void) 37 { 38 #if defined(__arm__) && !defined(_ARM_ARCH_6) 39 return __remove_counter; 40 #else 41 return __sync_add_and_fetch(&__remove_counter, 0); 42 #endif 43 } 44 45 void __inc_remove_counter(void)46__inc_remove_counter(void) 47 { 48 #if defined(__arm__) && !defined(_ARM_ARCH_6) 49 __remove_counter++; 50 #else 51 __sync_add_and_fetch(&__remove_counter, 1); 52 #endif 53 } 54