]>
Commit | Line | Data |
---|---|---|
1b13c424 | 1 | // { dg-do run { target c++20 } } |
83a1beee | 2 | // { dg-require-gthreads "" } |
62d19588 | 3 | // { dg-additional-options "-pthread" { target pthread } } |
71dc5ae5 | 4 | // { dg-add-options libatomic } |
83a1beee | 5 | |
a945c346 | 6 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
83a1beee TR |
7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | #include <atomic> | |
83a1beee TR |
24 | #include <thread> |
25 | ||
26 | #include <testsuite_hooks.h> | |
27 | ||
56cf9372 TR |
28 | void |
29 | test01() | |
83a1beee | 30 | { |
83a1beee | 31 | std::atomic_flag a; |
b52aef3a TR |
32 | VERIFY( !a.test() ); |
33 | a.wait(true); | |
83a1beee | 34 | std::thread t([&] |
b52aef3a TR |
35 | { |
36 | a.test_and_set(); | |
37 | a.notify_one(); | |
38 | }); | |
39 | a.wait(false); | |
83a1beee | 40 | t.join(); |
56cf9372 TR |
41 | } |
42 | ||
43 | void | |
44 | test02() | |
45 | { | |
46 | std::atomic_flag a; | |
47 | VERIFY( !std::atomic_flag_test(&a) ); | |
48 | std::atomic_flag_wait(&a, true); | |
49 | std::thread t([&] | |
50 | { | |
51 | std::atomic_flag_test_and_set(&a); | |
52 | std::atomic_flag_notify_one(&a); | |
53 | }); | |
54 | std::atomic_flag_wait(&a, false); | |
55 | t.join(); | |
56 | } | |
57 | ||
58 | int | |
59 | main() | |
60 | { | |
61 | test01(); | |
62 | test02(); | |
83a1beee TR |
63 | return 0; |
64 | } |