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: no-threads
10 
11 
12 // <thread>
13 
14 // class thread
15 
16 // ~thread();
17 
18 #include <cassert>
19 #include <cstdlib>
20 #include <exception>
21 #include <new>
22 #include <thread>
23 
24 #include "make_test_thread.h"
25 #include "test_macros.h"
26 
27 class G
28 {
29     int alive_;
30 public:
31     static int n_alive;
32     static bool op_run;
33 
G()34     G() : alive_(1) {++n_alive;}
G(const G & g)35     G(const G& g) : alive_(g.alive_) {++n_alive;}
~G()36     ~G() {alive_ = 0; --n_alive;}
37 
operator ()()38     void operator()()
39     {
40         assert(alive_ == 1);
41         assert(n_alive >= 1);
42         op_run = true;
43     }
44 };
45 
46 int G::n_alive = 0;
47 bool G::op_run = false;
48 
f1()49 void f1()
50 {
51     std::_Exit(0);
52 }
53 
main(int,char **)54 int main(int, char**)
55 {
56     std::set_terminate(f1);
57     {
58         assert(G::n_alive == 0);
59         assert(!G::op_run);
60         G g;
61         {
62           std::thread t = support::make_test_thread(g);
63           std::this_thread::sleep_for(std::chrono::milliseconds(250));
64         }
65     }
66     assert(false);
67 
68   return 0;
69 }
70