libcruft-util/cruft/util/thread/ticketlock.hpp

24 lines
527 B
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2018 Danny Robson <danny@nerdcruft.net>
*/
#include <atomic>
namespace cruft::thread {
class ticketlock {
public:
ticketlock ();
void lock (void);
void unlock (void);
private:
::std::atomic<unsigned> current;
::std::atomic<unsigned> next;
};
};