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Vendor import of libc++ trunk r300422:
[FreeBSD/FreeBSD.git] / test / libcxx / thread / thread.threads / thread.thread.class / thread.thread.member / native_handle.pass.cpp
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, libcpp-has-thread-api-external
11
12 // XFAIL: windows
13
14 // <thread>
15
16 // class thread
17
18 // native_handle_type native_handle();
19
20 #include <thread>
21 #include <new>
22 #include <cstdlib>
23 #include <cassert>
24
25 class G
26 {
27     int alive_;
28 public:
29     static int n_alive;
30     static bool op_run;
31
32     G() : alive_(1) {++n_alive;}
33     G(const G& g) : alive_(g.alive_) {++n_alive;}
34     ~G() {alive_ = 0; --n_alive;}
35
36     void operator()()
37     {
38         assert(alive_ == 1);
39         assert(n_alive >= 1);
40         op_run = true;
41     }
42 };
43
44 int G::n_alive = 0;
45 bool G::op_run = false;
46
47 int main()
48 {
49     {
50         G g;
51         std::thread t0(g);
52         pthread_t pid = t0.native_handle();
53         assert(pid != 0);
54         t0.join();
55     }
56 }