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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
// { dg-require-cstdint "" }
// { dg-require-gthreads-timed "" }
// Copyright (C) 2013-2014 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/>.
#include <mutex>
#include <chrono>
#include <thread>
#include <testsuite_hooks.h>
// PR libstdc++/57641
namespace C = std::chrono;
// custom clock with epoch 10s before system_clock's
struct clock
{
typedef C::system_clock::rep rep;
typedef C::system_clock::period period;
typedef C::system_clock::duration duration;
typedef C::time_point<clock> time_point;
static constexpr bool is_steady = C::system_clock::is_steady;
static time_point
now()
{
auto sys_time = C::system_clock::now().time_since_epoch();
return time_point(sys_time + C::seconds(10));
}
};
std::timed_mutex mx;
bool test = false;
void f()
{
test = mx.try_lock_until(clock::now() + C::milliseconds(1));
}
int main()
{
bool test = false;
std::lock_guard<std::timed_mutex> l(mx);
auto start = C::system_clock::now();
std::thread t(f);
t.join();
auto stop = C::system_clock::now();
VERIFY( (stop - start) < C::seconds(9) );
VERIFY( !test );
}
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