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
13// <thread>
14
15// class thread
16
17// ~thread();
18
19#include <thread>
20#include <new>
21#include <cstdlib>
22#include <cassert>
23
24class G
25{
26    int alive_;
27public:
28    static int n_alive;
29    static bool op_run;
30
31    G() : alive_(1) {++n_alive;}
32    G(const G& g) : alive_(g.alive_) {++n_alive;}
33    ~G() {alive_ = 0; --n_alive;}
34
35    void operator()()
36    {
37        assert(alive_ == 1);
38        assert(n_alive >= 1);
39        op_run = true;
40    }
41};
42
43int G::n_alive = 0;
44bool G::op_run = false;
45
46void f1()
47{
48    std::_Exit(0);
49}
50
51int main()
52{
53    std::set_terminate(f1);
54    {
55        assert(G::n_alive == 0);
56        assert(!G::op_run);
57        G g;
58        {
59          std::thread t(g);
60          std::this_thread::sleep_for(std::chrono::milliseconds(250));
61        }
62    }
63    assert(false);
64}
65