shmem: Heartbeats for the monitor.

fairmq/shmem/FairMQShmDeviceCounter.h

@@ -0,0 +1,29 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             * 
+ *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+#ifndef FAIRMQSHMDEVICECOUNTER_H_
+#define FAIRMQSHMDEVICECOUNTER_H_
+
+#include <atomic>
+
+namespace FairMQ
+{
+namespace shmem
+{
+
+struct FairMQShmDeviceCounter
+{
+    FairMQShmDeviceCounter(unsigned int c)
+        : count(c)
+    {}
+    std::atomic<unsigned int> count;
+};
+
+} // namespace shmem
+} // namespace FairMQ
+
+#endif /* FAIRMQSHMDEVICECOUNTER_H_ */