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_any;
15
16// template <class Lock>
17//   void wait(Lock& lock);
18
19#include <condition_variable>
20#include <mutex>
21#include <thread>
22#include <cassert>
23
24std::condition_variable_any cv;
25
26typedef std::timed_mutex L0;
27typedef std::unique_lock<L0> L1;
28
29L0 m0;
30
31int test1 = 0;
32int test2 = 0;
33
34void f()
35{
36    L1 lk(m0);
37    assert(test2 == 0);
38    test1 = 1;
39    cv.notify_one();
40    while (test2 == 0)
41        cv.wait(lk);
42    assert(test2 != 0);
43}
44
45int main()
46{
47    L1 lk(m0);
48    std::thread t(f);
49    assert(test1 == 0);
50    while (test1 == 0)
51        cv.wait(lk);
52    assert(test1 != 0);
53    test2 = 1;
54    lk.unlock();
55    cv.notify_one();
56    t.join();
57}
58