1*4d495c6eSApple OSS Distributions /* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2010 Apple Inc. All rights reserved. 3*4d495c6eSApple OSS Distributions * 4*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*4d495c6eSApple OSS Distributions * 6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4d495c6eSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*4d495c6eSApple OSS Distributions * file. 12*4d495c6eSApple OSS Distributions * 13*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are 14*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and 19*4d495c6eSApple OSS Distributions * limitations under the License. 20*4d495c6eSApple OSS Distributions * 21*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*4d495c6eSApple OSS Distributions */ 23*4d495c6eSApple OSS Distributions 24*4d495c6eSApple OSS Distributions #include <sys/types.h> 25*4d495c6eSApple OSS Distributions #if defined(__arm__) 26*4d495c6eSApple OSS Distributions #include <arm/arch.h> 27*4d495c6eSApple OSS Distributions #endif 28*4d495c6eSApple OSS Distributions 29*4d495c6eSApple OSS Distributions #if defined(__ppc64__) || defined(__i386__) || defined(__x86_64__) 30*4d495c6eSApple OSS Distributions static int64_t __remove_counter = 0; 31*4d495c6eSApple OSS Distributions #else 32*4d495c6eSApple OSS Distributions static int32_t __remove_counter = 0; 33*4d495c6eSApple OSS Distributions #endif 34*4d495c6eSApple OSS Distributions 35*4d495c6eSApple OSS Distributions __uint64_t __get_remove_counter(void)36*4d495c6eSApple OSS Distributions__get_remove_counter(void) 37*4d495c6eSApple OSS Distributions { 38*4d495c6eSApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 39*4d495c6eSApple OSS Distributions return __remove_counter; 40*4d495c6eSApple OSS Distributions #else 41*4d495c6eSApple OSS Distributions return __sync_add_and_fetch(&__remove_counter, 0); 42*4d495c6eSApple OSS Distributions #endif 43*4d495c6eSApple OSS Distributions } 44*4d495c6eSApple OSS Distributions 45*4d495c6eSApple OSS Distributions void __inc_remove_counter(void)46*4d495c6eSApple OSS Distributions__inc_remove_counter(void) 47*4d495c6eSApple OSS Distributions { 48*4d495c6eSApple OSS Distributions #if defined(__arm__) && !defined(_ARM_ARCH_6) 49*4d495c6eSApple OSS Distributions __remove_counter++; 50*4d495c6eSApple OSS Distributions #else 51*4d495c6eSApple OSS Distributions __sync_add_and_fetch(&__remove_counter, 1); 52*4d495c6eSApple OSS Distributions #endif 53*4d495c6eSApple OSS Distributions } 54