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d1236680 | 1 | // { dg-do compile } |
1e42d2f4 | 2 | // { dg-additional-options "-pthread" { target pthread } } |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
c25639b1 JW |
4 | // { dg-require-gthreads "" } |
5 | ||
7adcbafe | 6 | // Copyright (C) 2012-2022 Free Software Foundation, Inc. |
c25639b1 JW |
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 | // PR libstdc++/53841 | |
24 | ||
25 | #include <chrono> | |
26 | #include <mutex> | |
27 | #include <condition_variable> | |
28 | ||
29 | namespace ch = std::chrono; | |
30 | ||
31 | struct FPClock : ch::system_clock | |
32 | { | |
33 | typedef double rep; | |
34 | typedef std::ratio<1> period; | |
35 | typedef ch::duration<rep, period> duration; | |
36 | typedef ch::time_point<FPClock> time_point; | |
37 | ||
38 | static time_point now() | |
39 | { return time_point(duration(system_clock::now().time_since_epoch())); } | |
40 | }; | |
41 | ||
42 | void f() | |
43 | { | |
44 | std::mutex mx; | |
45 | std::unique_lock<std::mutex> l(mx); | |
46 | std::condition_variable cv; | |
47 | cv.wait_until(l, FPClock::now()); | |
48 | } |