1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant//                     The LLVM Compiler Infrastructure
4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
97112dae6acac544a0271a85d95342c583441e2d1Dan Albert//
107112dae6acac544a0271a85d95342c583441e2d1Dan Albert// UNSUPPORTED: libcpp-has-no-threads
11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <condition_variable>
13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class condition_variable_any;
15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ~condition_variable_any();
17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <condition_variable>
19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <mutex>
20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <thread>
21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert>
22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstd::condition_variable_any* cv;
24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstd::mutex m;
25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool f_ready = false;
27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool g_ready = false;
28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid f()
30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.lock();
32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    f_ready = true;
33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    cv->notify_one();
34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    delete cv;
35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.unlock();
36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid g()
39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.lock();
41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    g_ready = true;
42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    cv->notify_one();
43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    while (!f_ready)
44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        cv->wait(m);
45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.unlock();
46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main()
49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    cv = new std::condition_variable_any;
51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::thread th2(g);
52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.lock();
53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    while (!g_ready)
54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        cv->wait(m);
55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    m.unlock();
56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::thread th1(f);
57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    th1.join();
58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    th2.join();
59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
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