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// { dg-do run }
// { dg-options "-pthread" }
// { dg-require-effective-target c++11 }
// { dg-require-effective-target pthread }
// { dg-require-gthreads "" }
// Copyright (C) 2008-2018 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 <functional> // std::unary_function, std::ref, std::cref
#include <thread>
#include <system_error>
#include <testsuite_hooks.h>
struct noncopyable : std::unary_function<std::thread::id&, void>
{
noncopyable() = default;
~noncopyable() = default;
noncopyable(const noncopyable&) = delete;
noncopyable& operator=(const noncopyable&) = delete;
void operator()(std::thread::id& id) const
{
id = std::this_thread::get_id();
}
};
// same as 3, but function is noncopyable function object
// thread variadic cons not copied when std::ref
// thread variadic cons copied when not std::ref
// thread variadic cons not copied when std::cref
// thread variadic cons copied when not std::cref
// no errors
void test03()
{
try
{
std::thread::id t1_id1;
noncopyable nc1;
std::thread t1(std::ref(nc1), std::ref(t1_id1));
std::thread::id t1_id2 = t1.get_id();
VERIFY( t1.joinable() );
t1.join();
VERIFY( !t1.joinable() );
VERIFY( t1_id1 == t1_id2 );
std::thread::id t2_id1;
noncopyable nc2;
std::thread t2(std::cref(nc2), std::ref(t2_id1));
std::thread::id t2_id2 = t2.get_id();
VERIFY( t2.joinable() );
t2.join();
VERIFY( !t2.joinable() );
VERIFY( t2_id1 == t2_id2 );
}
catch(const std::system_error&)
{
VERIFY( false );
}
catch(...)
{
VERIFY( false );
}
}
int main()
{
test03();
return 0;
}
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