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 // NOTE: TSAN will report this test as leaking a thread.
13 // XFAIL: tsan
14 
15 // <thread>
16 
17 // class thread
18 
19 // ~thread();
20 
21 #include <thread>
22 #include <new>
23 #include <cstdlib>
24 #include <cassert>
25 
26 class G
27 {
28     int alive_;
29 public:
30     static int n_alive;
31     static bool op_run;
32 
33     G() : alive_(1) {++n_alive;}
34     G(const G& g) : alive_(g.alive_) {++n_alive;}
35     ~G() {alive_ = 0; --n_alive;}
36 
37     void operator()()
38     {
39         assert(alive_ == 1);
40         assert(n_alive >= 1);
41         op_run = true;
42     }
43 };
44 
45 int G::n_alive = 0;
46 bool G::op_run = false;
47 
48 void f1()
49 {
50     std::exit(0);
51 }
52 
53 int main()
54 {
55     std::set_terminate(f1);
56     {
57         assert(G::n_alive == 0);
58         assert(!G::op_run);
59         G g;
60         {
61           std::thread t(g);
62           std::this_thread::sleep_for(std::chrono::milliseconds(250));
63         }
64     }
65     assert(false);
66 }
67