1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // UNSUPPORTED: libcpp-has-no-threads
10 
11 // <condition_variable>
12 
13 // class condition_variable_any;
14 
15 // ~condition_variable_any();
16 
17 #include <condition_variable>
18 #include <mutex>
19 #include <thread>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 
24 std::condition_variable_any* cv;
25 std::mutex m;
26 
27 bool f_ready = false;
28 bool g_ready = false;
29 
30 void f()
31 {
32     m.lock();
33     f_ready = true;
34     cv->notify_one();
35     delete cv;
36     m.unlock();
37 }
38 
39 void g()
40 {
41     m.lock();
42     g_ready = true;
43     cv->notify_one();
44     while (!f_ready)
45         cv->wait(m);
46     m.unlock();
47 }
48 
49 int main(int, char**)
50 {
51     cv = new std::condition_variable_any;
52     std::thread th2(g);
53     m.lock();
54     while (!g_ready)
55         cv->wait(m);
56     m.unlock();
57     std::thread th1(f);
58     th1.join();
59     th2.join();
60 
61   return 0;
62 }
63