Clears TMemFile on each worker also at START.

	modified:   ERecoEventProcessor.cc

Author: Ryosuke Itoh

daq/expreco/src/ERecoEventProcessor.cc

@@ -199,6 +199,11 @@ int ERecoEventProcessor::UnConfigure(NSMmsg*, NSMcontext*)
 
 int ERecoEventProcessor::Start(NSMmsg* nsmm, NSMcontext* nsmc)
 {
+  // Clear DQM histogram memory
+  char cmdline[] = "hsendcommand DQMRC:CLEAR localhost 10391";
+  system(cmdline);
+  printf("ERecoEventProcessor : DQM TMemFile cleared\n");
+
   string rbufin = string(m_conf->getconf("system", "unitname")) + ":" +
                   string(m_conf->getconf("processor", "ringbufin"));
   string rbufout = string(m_conf->getconf("system", "unitname")) + ":" +