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 
12 // <thread>
13 
14 // class thread
15 
16 // ~thread();
17 
18 #include <thread>
19 #include <new>
20 #include <cstdlib>
21 #include <cassert>
22 
23 #include "make_test_thread.h"
24 #include "test_macros.h"
25 
26 class G
27 {
28     int alive_;
29 public:
30     static int n_alive;
31     static bool op_run;
32 
G()33     G() : alive_(1) {++n_alive;}
G(const G & g)34     G(const G& g) : alive_(g.alive_) {++n_alive;}
~G()35     ~G() {alive_ = 0; --n_alive;}
36 
operator ()()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 
f1()48 void f1()
49 {
50     std::_Exit(0);
51 }
52 
main(int,char **)53 int main(int, char**)
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 = support::make_test_thread(g);
62           std::this_thread::sleep_for(std::chrono::milliseconds(250));
63         }
64     }
65     assert(false);
66 
67   return 0;
68 }
69