Make sure outputProc does not hang indefinitely. Allows at most 8 hours of...

Make sure outputProc does not hang indefinitely. Allows at most 8 hours of processing in non-real-time mode,but we aren't using that. Also improve the error message if the connection gpuproc<->outputproc is lost.

RTCP/Cobalt/OutputProc/src/GPUProcIO.cc

@@ -134,8 +134,8 @@ bool process(Stream &controlStream)
 
     setSelfDestructTimer(parset, outputProcTimeout);
   } else {
-    // Kill any existing alarms
-    alarm(0);
+    // Non-real-time behaviour: give processing at most 8 hours
+    alarm(8*3600);
   }
 
   // Send id string to the MAC Log Processor as context for further LOGs.
@@ -310,7 +310,7 @@ bool process(Stream &controlStream)
           finalMetaData.read(controlStream);
         } catch (LOFAR::Exception &err) {
           success = false;
-          LOG_ERROR_STR("Failed to read broken tile information: " << err);
+          LOG_ERROR_STR("Error in connection with GPUProc: " << err);
         }
 
         if (parset.settings.realTime) {