TGo4RestartException.cxx

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------
 
#include "TGo4RestartException.h"
 
#include "TThread.h"
 
#include "TGo4Log.h"
#include "TGo4Thread.h"
#include "TGo4ThreadHandler.h"
#include "TGo4Runnable.h"
 
TGo4RestartException::TGo4RestartException(const TGo4RestartException &right)
  :TGo4ThreadException(right)
{
   GO4TRACE((14,"TGo4RestartException::TGo4RestartException()",__LINE__, __FILE__));
}
 
TGo4RestartException::TGo4RestartException (TGo4Runnable *runnable, const char *threadname)
: TGo4ThreadException(runnable,threadname)
{
   GO4TRACE((14,"TGo4RestartException::TGo4RestartException(TGo4Runnable *, const char *)",__LINE__, __FILE__));
   fxDescription= "!!!-- Go4 Restart Exception --!!!";
}
 
 
TGo4RestartException::~TGo4RestartException()
{
  GO4TRACE((14,"TGo4RestartException::~TGo4RestartException()",__LINE__, __FILE__));
}
 
 
TGo4RestartException & TGo4RestartException::operator=(const TGo4RestartException &right)
{
   if (&right != this)
      TGo4ThreadException::operator=(right); // copy base class members
   return *this;
}
 
Int_t TGo4RestartException::Handle ()
{
   GO4TRACE((14,"TGo4RestartException::Handle()",__LINE__, __FILE__));
   if (!GetThreadName()) {
      // no threadname specified, operate on thread of runnable
      GO4TRACE((13, "TGo4RestartException::Handle() -- recreating thread of runnable", __LINE__, __FILE__));
      fxRunnable->GetThread()->ReCreate();
   } else {
      // threadname given, use thread handler to cancel
      GO4TRACE((13, "TGo4RestartException::Handle() -- recreating thread by name", __LINE__, __FILE__));
      fxThreadHandler->ReCreate(GetThreadName());
   }
   TThread::CancelPoint(); // if thread restarts itself, this is necessary for proper cancellation:
   return 0;
}