1*42e22086SApple OSS Distributions /* 2*42e22086SApple OSS Distributions * Copyright (c) 2010 Apple Inc. All rights reserved. 3*42e22086SApple OSS Distributions * 4*42e22086SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*42e22086SApple OSS Distributions * 6*42e22086SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*42e22086SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*42e22086SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*42e22086SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*42e22086SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*42e22086SApple OSS Distributions * file. 12*42e22086SApple OSS Distributions * 13*42e22086SApple OSS Distributions * The Original Code and all software distributed under the License are 14*42e22086SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*42e22086SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*42e22086SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*42e22086SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*42e22086SApple OSS Distributions * Please see the License for the specific language governing rights and 19*42e22086SApple OSS Distributions * limitations under the License. 20*42e22086SApple OSS Distributions * 21*42e22086SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*42e22086SApple OSS Distributions */ 23*42e22086SApple OSS Distributions 24*42e22086SApple OSS Distributions #include <sys/types.h> 25*42e22086SApple OSS Distributions #if defined(__arm__) 26*42e22086SApple OSS Distributions #include <arm/arch.h> 27*42e22086SApple OSS Distributions #endif 28*42e22086SApple OSS Distributions 29*42e22086SApple OSS Distributions #if defined(__ppc64__) || defined(__i386__) || defined(__x86_64__) 30*42e22086SApple OSS Distributions static int64_t __remove_counter = 0; 31*42e22086SApple OSS Distributions #else 32*42e22086SApple OSS Distributions static int32_t __remove_counter = 0; 33*42e22086SApple OSS Distributions #endif 34*42e22086SApple OSS Distributions 35*42e22086SApple OSS Distributions __uint64_t __get_remove_counter(void)36*42e22086SApple OSS Distributions__get_remove_counter(void) 37*42e22086SApple OSS Distributions { 38*42e22086SApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 39*42e22086SApple OSS Distributions return __remove_counter; 40*42e22086SApple OSS Distributions #else 41*42e22086SApple OSS Distributions return __sync_add_and_fetch(&__remove_counter, 0); 42*42e22086SApple OSS Distributions #endif 43*42e22086SApple OSS Distributions } 44*42e22086SApple OSS Distributions 45*42e22086SApple OSS Distributions void __inc_remove_counter(void)46*42e22086SApple OSS Distributions__inc_remove_counter(void) 47*42e22086SApple OSS Distributions { 48*42e22086SApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 49*42e22086SApple OSS Distributions __remove_counter++; 50*42e22086SApple OSS Distributions #else 51*42e22086SApple OSS Distributions __sync_add_and_fetch(&__remove_counter, 1); 52*42e22086SApple OSS Distributions #endif 53*42e22086SApple OSS Distributions } 54