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& operator=(shared_lock const&) = delete; 15 16 #include <shared_mutex> 17 18 #if _LIBCPP_STD_VER > 11 19 20 std::shared_timed_mutex m0; 21 std::shared_timed_mutex m1; 22 23 #endif // _LIBCPP_STD_VER > 11 24 25 int main() 26 { 27 #if _LIBCPP_STD_VER > 11 28 std::shared_lock<std::shared_timed_mutex> lk0(m0); 29 std::shared_lock<std::shared_timed_mutex> lk1(m1); 30 lk1 = lk0; 31 #else 32 # error 33 #endif // _LIBCPP_STD_VER > 11 34 } 35
