1 files changed, 36 insertions, 0 deletions
diff --git a/src/lib/lock_file_checker.h b/src/lib/lock_file_checker.h
new file mode 100644
index 000000000..76c00717d
--- /dev/null
+++ b/src/lib/lock_file_checker.h
@@ -0,0 +1,36 @@
+/*
+    Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
+
+    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 <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "checker.h"
+#include <boost/signals2.hpp>
+
+class LockFileChecker : public Checker
+{
+public:
+	LockFileChecker ();
+
+	static LockFileChecker* instance ();
+
+protected:
+	bool check () const;
+
+private:
+	static LockFileChecker* _instance;
+};