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// { dg-do compile { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* hppa*-hp-hpux11* } }
// { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* powerpc-ibm-aix* hppa*-hp-hpux11* } }
// { dg-require-effective-target c++11 }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// Copyright (C) 2012-2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// PR libstdc++/53841
#include <chrono>
#include <mutex>
#include <condition_variable>
namespace ch = std::chrono;
struct FPClock : ch::system_clock
{
typedef double rep;
typedef std::ratio<1> period;
typedef ch::duration<rep, period> duration;
typedef ch::time_point<FPClock> time_point;
static time_point now()
{ return time_point(duration(system_clock::now().time_since_epoch())); }
};
void f()
{
std::mutex mx;
std::unique_lock<std::mutex> l(mx);
std::condition_variable cv;
cv.wait_until(l, FPClock::now());
}
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