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 // <mutex> 13 14 // class mutex; 15 16 // typedef pthread_mutex_t* native_handle_type; 17 // native_handle_type native_handle(); 18 19 #include <mutex> 20 #include <cassert> 21 22 int main() 23 { 24 std::mutex m; 25 pthread_mutex_t* h = m.native_handle(); 26 assert(h); 27 } 28
