/*------------------------------------------------------------------------
* handleCallback - LAB 4Q2 LAB 4Q3 this method handles the invocation of callback functions for MYSIGALRM and
* MYSIGRECV signals, MYSIGXCPU is take care of in the clkhandler.c . If the conditions
* are met then the corresponding callback function is invoked right after being context
* switched in .
*------------------------------------------------------------------------
*/
void handleCallback()
{
struct procent *ptcurr;
ptcurr = &proctab[currpid];
// MYSIGRECV related callback processing
if(ptcurr->callback != NULL)
{
if(ptcurr->prhasmsg == TRUE){ // ensure that a message has arrived
void (*callbackfn) () = ptcurr->callback;
callbackfn();
ptcurr->prhasmsg = FALSE; // RESET the message buffer flag
}
}
// MYSIGALARM related callback processing
if (ptcurr->alarmfunc!= NULL) {
if(ptcurr->alarmTimeOut)
{
ptcurr->alarmTimeOut = FALSE;
ptcurr->alarmtime = 0;
void (*alarmFunction) () = ptcurr->alarmfunc;
alarmFunction();
ptcurr->alarmfunc = NULL;
}
}
}
/**
* Allows other active objects to run while waiting for the specified time.
*
*/
void CTestStepCsdAgt::DelayL(TInt aMicroseconds)
{
// Construct and start the timer
TCallBack callbackfn(CTestStepCsdAgt::TimerCallback, this);
CPeriodic *regularUpdater = CPeriodic::NewL(CActive::EPriorityStandard);
CleanupStack::PushL(regularUpdater);
regularUpdater->Start(aMicroseconds,aMicroseconds,callbackfn);
// Block until timer complete
CActiveScheduler::Start();
// Stop and delete the timer
regularUpdater->Cancel();
CleanupStack::PopAndDestroy();
}
