Initial import of CVS-v2_8_branch

lib/rdinstancelock.h

@@ -0,0 +1,45 @@
+//   rdinstancelock.h
+//
+//   An abstract instance-locking class.
+//
+//   (C) Copyright 2002-2004 Fred Gleason <fredg@paravelsystems.com>
+//
+//    $Id: rdinstancelock.h,v 1.3 2010/07/29 19:32:33 cvs Exp $
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Library General Public License 
+//   version 2 as published by the Free Software Foundation.
+//
+//   This program 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 program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+//
+
+#ifndef RDINSTANCELOCK_H
+#define RDINSTANCELOCK_H
+
+
+class RDInstanceLock
+{
+ public:
+  RDInstanceLock(QString path);
+  ~RDInstanceLock();
+  bool lock();
+  void unlock();
+  bool locked();
+
+ private:
+  bool MakeLock();
+  QString lock_path;
+  bool lock_locked;
+};
+
+
+
+#endif  // RDINSTANCELOCK_H