1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 12 // <atomic> 13 14 // template <class Integral> 15 // Integral 16 // atomic_fetch_xor_explicit(volatile atomic<Integral>* obj, Integral op); 17 // 18 // template <class Integral> 19 // Integral 20 // atomic_fetch_xor_explicit(atomic<Integral>* obj, Integral op); 21 22 #include <atomic> 23 #include <type_traits> 24 #include <cassert> 25 26 #include "atomic_helpers.h" 27 28 template <class T> 29 struct TestFn { operator ()TestFn30 void operator()() const { 31 { 32 typedef std::atomic<T> A; 33 A t; 34 std::atomic_init(&t, T(1)); 35 assert(std::atomic_fetch_xor_explicit(&t, T(2), 36 std::memory_order_seq_cst) == T(1)); 37 assert(t == T(3)); 38 } 39 { 40 typedef std::atomic<T> A; 41 volatile A t; 42 std::atomic_init(&t, T(3)); 43 assert(std::atomic_fetch_xor_explicit(&t, T(2), 44 std::memory_order_seq_cst) == T(3)); 45 assert(t == T(1)); 46 } 47 } 48 }; 49 main()50int main() 51 { 52 TestEachIntegralType<TestFn>()(); 53 } 54