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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* 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 "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2010, 2011, 2012 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>
int do_work1(int value) { return value; }
int do_work2(int value) { return value * 2; }
int work1(int value)
{
auto handle = std::async([=] { return do_work2(value); });
int tmp = do_work1(value);
return tmp + handle.get();
}
int work2(int value)
{
auto handle = std::async(do_work2, value);
int tmp = do_work1(value);
return tmp + handle.get();
}
// libstdc++/42819
void test01()
{
bool test __attribute__((unused)) = true;
VERIFY( work1(1) == 3 );
VERIFY( work2(2) == 6 );
}
int main()
{
test01();
return 0;
}
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