1*d4514f0bSApple OSS Distributions /* 2*d4514f0bSApple OSS Distributions * Copyright (c) 2010 Apple Inc. All rights reserved. 3*d4514f0bSApple OSS Distributions * 4*d4514f0bSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*d4514f0bSApple OSS Distributions * 6*d4514f0bSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*d4514f0bSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*d4514f0bSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*d4514f0bSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*d4514f0bSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*d4514f0bSApple OSS Distributions * file. 12*d4514f0bSApple OSS Distributions * 13*d4514f0bSApple OSS Distributions * The Original Code and all software distributed under the License are 14*d4514f0bSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*d4514f0bSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*d4514f0bSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*d4514f0bSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*d4514f0bSApple OSS Distributions * Please see the License for the specific language governing rights and 19*d4514f0bSApple OSS Distributions * limitations under the License. 20*d4514f0bSApple OSS Distributions * 21*d4514f0bSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*d4514f0bSApple OSS Distributions */ 23*d4514f0bSApple OSS Distributions 24*d4514f0bSApple OSS Distributions #include <sys/types.h> 25*d4514f0bSApple OSS Distributions #if defined(__arm__) 26*d4514f0bSApple OSS Distributions #include <arm/arch.h> 27*d4514f0bSApple OSS Distributions #endif 28*d4514f0bSApple OSS Distributions 29*d4514f0bSApple OSS Distributions #if defined(__ppc64__) || defined(__i386__) || defined(__x86_64__) 30*d4514f0bSApple OSS Distributions static int64_t __remove_counter = 0; 31*d4514f0bSApple OSS Distributions #else 32*d4514f0bSApple OSS Distributions static int32_t __remove_counter = 0; 33*d4514f0bSApple OSS Distributions #endif 34*d4514f0bSApple OSS Distributions 35*d4514f0bSApple OSS Distributions __uint64_t __get_remove_counter(void)36*d4514f0bSApple OSS Distributions__get_remove_counter(void) 37*d4514f0bSApple OSS Distributions { 38*d4514f0bSApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 39*d4514f0bSApple OSS Distributions return __remove_counter; 40*d4514f0bSApple OSS Distributions #else 41*d4514f0bSApple OSS Distributions return __sync_add_and_fetch(&__remove_counter, 0); 42*d4514f0bSApple OSS Distributions #endif 43*d4514f0bSApple OSS Distributions } 44*d4514f0bSApple OSS Distributions 45*d4514f0bSApple OSS Distributions void __inc_remove_counter(void)46*d4514f0bSApple OSS Distributions__inc_remove_counter(void) 47*d4514f0bSApple OSS Distributions { 48*d4514f0bSApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 49*d4514f0bSApple OSS Distributions __remove_counter++; 50*d4514f0bSApple OSS Distributions #else 51*d4514f0bSApple OSS Distributions __sync_add_and_fetch(&__remove_counter, 1); 52*d4514f0bSApple OSS Distributions #endif 53*d4514f0bSApple OSS Distributions } 54