1b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 2b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 3b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// The LLVM Compiler Infrastructure 4b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 5b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// This file is dual licensed under the MIT and the University of Illinois Open 6b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// Source Licenses. See LICENSE.TXT for details. 7b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 8b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 9a8bf9de8057ad254cc642f33bd7d0a48dc1ae55cDavid 'Digit' Turner// 10a8bf9de8057ad254cc642f33bd7d0a48dc1ae55cDavid 'Digit' Turner// This test uses new symbols that were not defined in the libc++ shipped on 11a8bf9de8057ad254cc642f33bd7d0a48dc1ae55cDavid 'Digit' Turner// darwin11 and darwin12: 12a8bf9de8057ad254cc642f33bd7d0a48dc1ae55cDavid 'Digit' Turner// XFAIL: with_system_lib=x86_64-apple-darwin11 13a8bf9de8057ad254cc642f33bd7d0a48dc1ae55cDavid 'Digit' Turner// XFAIL: with_system_lib=x86_64-apple-darwin12 14b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 15b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// <memory> 16b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 17b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// shared_ptr 18b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 19b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// template <class T> 20b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// bool 21b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// atomic_compare_exchange_strong_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 22b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// shared_ptr<T> w, memory_order success, 23b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// memory_order failure); 24b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 25b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <memory> 26b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <cassert> 27b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 28b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerint main() 29b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner{ 30b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#if __has_feature(cxx_atomic) 31b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 32b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> p(new int(4)); 33b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> v(new int(3)); 34b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> w(new int(2)); 35b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner bool b = std::atomic_compare_exchange_strong_explicit(&p, &v, w, 36b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::memory_order_seq_cst, 37b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::memory_order_seq_cst); 38b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(b == false); 39b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*p == 4); 40b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*v == 4); 41b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*w == 2); 42b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 43b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 44b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> p(new int(4)); 45b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> v = p; 46b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::shared_ptr<int> w(new int(2)); 47b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner bool b = std::atomic_compare_exchange_strong_explicit(&p, &v, w, 48b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::memory_order_seq_cst, 49b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::memory_order_seq_cst); 50b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(b == true); 51b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*p == 2); 52b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*v == 4); 53b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(*w == 2); 54b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 55b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#endif 56b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner} 57