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 T> 13 // bool 14 // atomic_is_lock_free(const volatile atomic<T>* obj); 15 // 16 // template <class T> 17 // bool 18 // atomic_is_lock_free(const atomic<T>* obj); 19 20 #include <atomic> 21 22 template <class T> 23 void 24 test() 25 { 26 typedef std::atomic<T> A; 27 const A ct; 28 bool b1 = std::atomic_is_lock_free(&ct); 29 const volatile A cvt; 30 bool b2 = std::atomic_is_lock_free(&cvt); 31 } 32 33 struct A 34 { 35 char _[4]; 36 }; 37 38 int main() 39 { 40 test<A>(); 41 test<char>(); 42 test<signed char>(); 43 test<unsigned char>(); 44 test<short>(); 45 test<unsigned short>(); 46 test<int>(); 47 test<unsigned int>(); 48 test<long>(); 49 test<unsigned long>(); 50 test<long long>(); 51 test<unsigned long long>(); 52 test<wchar_t>(); 53 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 54 test<char16_t>(); 55 test<char32_t>(); 56 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 57 test<int*>(); 58 test<const int*>(); 59 } 60
