1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// <thread>
// class thread
// thread& operator=(thread&& t);
#include <thread>
#include <cassert>
#include <utility>
#include "test_macros.h"
class G
{
int alive_;
public:
static int n_alive;
static bool op_run;
G() : alive_(1) {++n_alive;}
G(const G& g) : alive_(g.alive_) {++n_alive;}
~G() {alive_ = 0; --n_alive;}
void operator()()
{
assert(alive_ == 1);
assert(n_alive >= 1);
op_run = true;
}
};
int G::n_alive = 0;
bool G::op_run = false;
int main(int, char**)
{
assert(G::n_alive == 0);
assert(!G::op_run);
{
G g;
assert(G::n_alive == 1);
assert(!G::op_run);
std::thread t0(g);
std::thread::id id = t0.get_id();
std::thread t1;
t1 = std::move(t0);
assert(t1.get_id() == id);
assert(t0.get_id() == std::thread::id());
t1.join();
assert(G::n_alive == 1);
assert(G::op_run);
}
assert(G::n_alive == 0);
assert(G::op_run);
return 0;
}
|
