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 // <mutex> 11 12 // class recursive_mutex; 13 14 // typedef pthread_mutex_t* native_handle_type; 15 // native_handle_type native_handle(); 16 17 #include <mutex> 18 #include <cassert> 19 20 int main() 21 { 22 std::recursive_mutex m; 23 pthread_mutex_t* h = m.native_handle(); 24 assert(h); 25 } 26