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- // { dg-do run }
- // { dg-additional-options "-pthread" { target pthread } }
- // { dg-require-effective-target c++11 }
- // { dg-require-gthreads "" }
- // Copyright (C) 2010-2022 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 <system_error>
- #include <testsuite_hooks.h>
- int main()
- {
- typedef std::mutex mutex_type;
- typedef std::unique_lock<mutex_type> lock_type;
- try
- {
- mutex_type m1, m2, m3;
- lock_type l1(m1, std::defer_lock),
- l2(m2, std::defer_lock),
- l3(m3, std::defer_lock);
- try
- {
- std::lock(l1, l2, l3);
- VERIFY( l1.owns_lock() );
- VERIFY( l2.owns_lock() );
- VERIFY( l3.owns_lock() );
- }
- catch (const std::system_error& e)
- {
- VERIFY( false );
- }
- }
- catch (const std::system_error& e)
- {
- VERIFY( false );
- }
- catch (...)
- {
- VERIFY( false );
- }
- return 0;
- }
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