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 // <atomic> 11 12 // template <class Integral> 13 // Integral 14 // atomic_fetch_or(volatile atomic<Integral>* obj, Integral op); 15 // 16 // template <class Integral> 17 // Integral 18 // atomic_fetch_or(atomic<Integral>* obj, Integral op); 19 20 #include <atomic> 21 #include <type_traits> 22 #include <cassert> 23 24 template <class T> 25 void 26 test() 27 { 28 { 29 typedef std::atomic<T> A; 30 A t; 31 std::atomic_init(&t, T(1)); 32 assert(std::atomic_fetch_or(&t, T(2)) == T(1)); 33 assert(t == T(3)); 34 } 35 { 36 typedef std::atomic<T> A; 37 volatile A t; 38 std::atomic_init(&t, T(3)); 39 assert(std::atomic_fetch_or(&t, T(2)) == T(3)); 40 assert(t == T(3)); 41 } 42 } 43 44 int main() 45 { 46 test<char>(); 47 test<signed char>(); 48 test<unsigned char>(); 49 test<short>(); 50 test<unsigned short>(); 51 test<int>(); 52 test<unsigned int>(); 53 test<long>(); 54 test<unsigned long>(); 55 test<long long>(); 56 test<unsigned long long>(); 57 test<wchar_t>(); 58 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 59 test<char16_t>(); 60 test<char32_t>(); 61 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 62 } 63
