/* Copyright (C) 2018 Carl Hetherington This file is part of DCP-o-matic. DCP-o-matic 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 2 of the License, or (at your option) any later version. DCP-o-matic 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 DCP-o-matic. If not, see . */ #include "checker.h" #include class LockFileChecker : public Checker { public: LockFileChecker (); static LockFileChecker* instance (); protected: bool check () const; private: static LockFileChecker* _instance; };