// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }// { dg-require-cstdint "" }// { dg-require-gthreads "" }// { dg-require-atomic-builtins "" }// Copyright (C) 2010 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 <future>#include <testsuite_hooks.h>using namespace std;struct work {typedef void result_type;void operator()(mutex& m, condition_variable& cv){unique_lock<mutex> l(m);cv.notify_one();}};void test01(){bool test __attribute__((unused)) = true;mutex m;condition_variable cv;unique_lock<mutex> l(m);future<void> f1 = async(launch::async, work(), ref(m), ref(cv));cv.wait(l);f1.get();}int main(){test01();return 0;}