Exemplos de counterA em C++ (Cpp)

Exemplo n.º 1

Arquivo: Prog.cpp Projeto: msisov/cpp-labs

int main() {
	LimitedCounter counterA(0, 5);
	RoundupCounter counterB(0, 5);

	UseCounter(&counterA, 8); UseCounter(&counterB, 8);

	cout << "Counter A: " << counterA << endl; // output should be 5
	cout << "Counter B: " << counterB << endl; // output should be 2

	return 0;
}

Exemplo n.º 2

Arquivo: IscDevice.cpp Projeto: cdaffara/symbian-oss_adapt

// -----------------------------------------------------------------------------
// DIscDevice::CancelSending
// Cancels sending of frames to Domestic OS
// ( other items were commented in a header ).
// -----------------------------------------------------------------------------
//
EXPORT_C TInt DIscDevice::CancelSending( const TUint16 aChannelId, const TAny* aChannelPtr )
    {
    C_TRACE( ( _T( "DIscDevice::CancelSending - Caller is channel: %d (0x%x)" ), aChannelId, aChannelPtr ) );
    
    TInt error( KErrNotFound );
    TInt irqLevel( 0 );

    TInt counterA( 0 );
    TInt counterB( 0 );

    TIscSendFrameInfo* temp = NULL;
    TDes8* frame = NULL;

    irqLevel = DisableIrqs();

    if ( KIscControlChannel == aChannelId )
        {
        // empty control send queue
        while ( !iControlSendQueue->Empty() )
            {
            temp = iControlSendQueue->GetFirstFrameInfo();
            frame = ( TDes8* )iControlSendQueue->RemoveFirst();
            if ( temp && frame )
                {
                if ( temp->iChannelId == aChannelId && 
                     temp->iChannelPtr == ( DIscChannel* )aChannelPtr )
                    {
                    // sender found, no need to store the frame
                    counterB++;
                    }
                else
                    {
                    iTempQueue->Add( frame, temp->iChannelId, temp->iChannelPtr, temp->iFrameInfo );
                    }
                }
            else
                {
                // should never came here
                TRACE_ASSERT_ALWAYS;
                }
            counterA++;
            temp = NULL;
            frame = NULL;
            }  
        
        while ( !iTempQueue->Empty() )
            {
            temp = iTempQueue->GetFirstFrameInfo();
            frame = ( TDes8* )iTempQueue->RemoveFirst();
            if ( temp && frame )
                {
                iControlSendQueue->Add( frame, temp->iChannelId, temp->iChannelPtr, temp->iFrameInfo );
                }
            else
                {
                // should never came here
                TRACE_ASSERT_ALWAYS;
                }
            temp = NULL;
            frame = NULL;
            }
        }
    else
        {
        // empty normal send queue
        while ( !iSendQueue->Empty() )
            {
            temp = iSendQueue->GetFirstFrameInfo();
            frame = ( TDes8* )iSendQueue->RemoveFirst();
            if ( temp && frame )
                {
                if ( temp->iChannelId == aChannelId  && 
                     temp->iChannelPtr == ( DIscChannel* )aChannelPtr )            
                    {
                    // sender found, no need to store frame
                    counterB++;                
                    }
                else
                    {
                    iTempQueue->Add( frame, temp->iChannelId, temp->iChannelPtr, temp->iFrameInfo );
                    }
                }
            else
                {
                // should never came here
                TRACE_ASSERT_ALWAYS;
                }
            counterA++;
            temp = NULL;
            frame = NULL;
            }  

        while ( !iTempQueue->Empty() )
            {
            temp = iTempQueue->GetFirstFrameInfo();
            frame = ( TDes8* )iTempQueue->RemoveFirst();
            if ( temp && frame )
                {
                iSendQueue->Add( frame, temp->iChannelId, temp->iChannelPtr, temp->iFrameInfo );
                }
            else
                {
                // should never came here
                TRACE_ASSERT_ALWAYS;
                }

            temp = NULL;
            frame = NULL;
            }
        }
        
    RestoreIrqs( irqLevel );

    C_TRACE( ( _T( "DIscDevice::CancelSending() - Frames in queue: Before: %d, After: %d" ), counterA, ( counterA-counterB ) ) );
    C_TRACE( ( _T( "DIscDevice::CancelSending() - So channel 0x%x 0x%x had %d pending messages!" ), aChannelId, aChannelPtr, counterB ) );

    // if there weren't any frames that were cancelled return KErrNotFound, otherwise return KErrNone
    if ( counterB > 0 )
        {        
        error = KErrNone;
        }
    
    return error;

    }