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 // <shared_mutex> 11 12 // template <class Mutex> class shared_lock; 13 14 // shared_lock(shared_lock const&) = delete; 15 16 #include <shared_mutex> 17 18 #if _LIBCPP_STD_VER > 11 19 std::shared_timed_mutex m; 20 #endif // _LIBCPP_STD_VER > 11 21 22 int main() 23 { 24 #if _LIBCPP_STD_VER > 11 25 std::shared_lock<std::shared_timed_mutex> lk0(m); 26 std::shared_lock<std::shared_timed_mutex> lk = lk0; 27 #else 28 # error 29 #endif // _LIBCPP_STD_VER > 11 30 } 31
