1*d8b80295SApple OSS Distributions /* 2*d8b80295SApple OSS Distributions * Copyright (c) 2010 Apple Inc. All rights reserved. 3*d8b80295SApple OSS Distributions * 4*d8b80295SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*d8b80295SApple OSS Distributions * 6*d8b80295SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*d8b80295SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*d8b80295SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*d8b80295SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*d8b80295SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*d8b80295SApple OSS Distributions * file. 12*d8b80295SApple OSS Distributions * 13*d8b80295SApple OSS Distributions * The Original Code and all software distributed under the License are 14*d8b80295SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*d8b80295SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*d8b80295SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*d8b80295SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*d8b80295SApple OSS Distributions * Please see the License for the specific language governing rights and 19*d8b80295SApple OSS Distributions * limitations under the License. 20*d8b80295SApple OSS Distributions * 21*d8b80295SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*d8b80295SApple OSS Distributions */ 23*d8b80295SApple OSS Distributions 24*d8b80295SApple OSS Distributions #include <sys/types.h> 25*d8b80295SApple OSS Distributions #if defined(__arm__) 26*d8b80295SApple OSS Distributions #include <arm/arch.h> 27*d8b80295SApple OSS Distributions #endif 28*d8b80295SApple OSS Distributions 29*d8b80295SApple OSS Distributions #if defined(__ppc64__) || defined(__i386__) || defined(__x86_64__) 30*d8b80295SApple OSS Distributions static int64_t __remove_counter = 0; 31*d8b80295SApple OSS Distributions #else 32*d8b80295SApple OSS Distributions static int32_t __remove_counter = 0; 33*d8b80295SApple OSS Distributions #endif 34*d8b80295SApple OSS Distributions 35*d8b80295SApple OSS Distributions __uint64_t __get_remove_counter(void)36*d8b80295SApple OSS Distributions__get_remove_counter(void) 37*d8b80295SApple OSS Distributions { 38*d8b80295SApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 39*d8b80295SApple OSS Distributions return __remove_counter; 40*d8b80295SApple OSS Distributions #else 41*d8b80295SApple OSS Distributions return __sync_add_and_fetch(&__remove_counter, 0); 42*d8b80295SApple OSS Distributions #endif 43*d8b80295SApple OSS Distributions } 44*d8b80295SApple OSS Distributions 45*d8b80295SApple OSS Distributions void __inc_remove_counter(void)46*d8b80295SApple OSS Distributions__inc_remove_counter(void) 47*d8b80295SApple OSS Distributions { 48*d8b80295SApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 49*d8b80295SApple OSS Distributions __remove_counter++; 50*d8b80295SApple OSS Distributions #else 51*d8b80295SApple OSS Distributions __sync_add_and_fetch(&__remove_counter, 1); 52*d8b80295SApple OSS Distributions #endif 53*d8b80295SApple OSS Distributions } 54