1// { dg-do compile { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* hppa*-hp-hpux11* } }
2// { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* hppa*-hp-hpux11* } }
3// { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } }
4// { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-darwin* } }
5// { dg-require-cstdint "" }
6// { dg-require-gthreads "" }
7
8// Copyright (C) 2012-2015 Free Software Foundation, Inc.
9//
10// This file is part of the GNU ISO C++ Library.  This library is free
11// software; you can redistribute it and/or modify it under the
12// terms of the GNU General Public License as published by the
13// Free Software Foundation; either version 3, or (at your option)
14// any later version.
15
16// This library is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19// GNU General Public License for more details.
20
21// You should have received a copy of the GNU General Public License along
22// with this library; see the file COPYING3.  If not see
23// <http://www.gnu.org/licenses/>.
24
25// PR libstdc++/53841
26
27#include <chrono>
28#include <mutex>
29#include <condition_variable>
30
31namespace ch = std::chrono;
32
33struct FPClock : ch::system_clock
34{
35    typedef double rep;
36    typedef std::ratio<1> period;
37    typedef ch::duration<rep, period> duration;
38    typedef ch::time_point<FPClock> time_point;
39
40    static time_point now()
41    { return time_point(duration(system_clock::now().time_since_epoch())); }
42};
43
44void f()
45{
46    std::mutex mx;
47    std::unique_lock<std::mutex> l(mx);
48    std::condition_variable cv;
49    cv.wait_until(l, FPClock::now());
50}
51