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, libcpp-has-thread-api-external
11
12 // XFAIL: windows
13
14 // <mutex>
15
16 // class mutex;
17
18 // typedef pthread_mutex_t* native_handle_type;
19 // native_handle_type native_handle();
20
21 #include <mutex>
22 #include <cassert>
23
main()24 int main()
25 {
26 std::mutex m;
27 pthread_mutex_t* h = m.native_handle();
28 assert(h);
29 }
30