void AbstractThread::run()
{
// is the very first since there is a possibility of something being altered there
onStart();
int exceptions = 0;
bool lastWasException = false;
m_terminateRequested = false;
for (;;)
{
bool gotException = false;
// report me being alive if I am being checked for status
if( m_hangCheck != 0 )
{
m_hangCheck = 0;
}
try
{
tick();
// ensure this is recorded as 'idle' time (ideally this should
// be in tick() but we cannot guarantee it to be called there
CurrentProfileData.Start(PROFILE_IDLE);
}
catch( const CException& e )
{
gotException = true;
g_Log.CatchEvent(&e, "%s::tick", getName());
CurrentProfileData.Count(PROFILE_STAT_FAULTS, 1);
}
catch( ... )
{
gotException = true;
g_Log.CatchEvent(NULL, "%s::tick", getName());
CurrentProfileData.Count(PROFILE_STAT_FAULTS, 1);
}
if( gotException )
{
if( lastWasException )
{
exceptions++;
}
else
{
lastWasException = true;
exceptions = 0;
}
if( exceptions >= EXCEPTIONS_ALLOWED )
{
// a bad thing really happened. ALL previous EXCEPTIONS_ALLOWED ticks resulted in exception
// almost for sure we have looped somewhere and have no way to get out from this situation
// probably a thread restart can fix the problems
// but there is no real need to restart a thread, we will just simulate a thread restart,
// notifying a subclass like we have been just restarted, so it will restart it's operations
g_Log.Event(LOGL_CRIT, "'%s' thread raised too many exceptions, restarting...\n", getName());
onStart();
lastWasException = false;
}
}
else
{
lastWasException = false;
}
if( shouldExit() )
break;
m_sleepEvent.wait(m_tickPeriod);
}
}
