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 // <condition_variable>
13 
14 // class condition_variable;
15 
16 // typedef pthread_cond_t* native_handle_type;
17 // native_handle_type native_handle();
18 
19 #include <condition_variable>
20 #include <cassert>
21 
main()22 int main()
23 {
24     static_assert((std::is_same<std::condition_variable::native_handle_type,
25                                 pthread_cond_t*>::value), "");
26     std::condition_variable cv;
27     std::condition_variable::native_handle_type h = cv.native_handle();
28     assert(h != nullptr);
29 }
30