C++ busy函数代码示例

	void Write_Data(unsigned char Data)
	{
		txbuf[0] = 0x40;
		txbuf[1] = Data;
		send(2);
		while(busy());
		//for(int i = 0; i < 0xFFF; i++); //see above
	}

void StepMotor::step( StepInfo sInfo )
{
  if ( !busy() )
  {
    stepInfo = sInfo;
    mode = MODE_READY;
  }
}

	void Write_Command(unsigned char Data)
	{
		txbuf[0] = 0x00;
		txbuf[1] = Data;
		send(2);
		//for(int i = 0; i < 0xFFF; i++); //give it 4us before sending next char
		while(busy());
	}

void A110x2500Radio::end()
{
  // Wait until all operations complete.
  while (busy());

  detachInterrupt(RF_GDO0);
  pinMode (RF_SPI_CSN, INPUT);
}

void writedata(unsigned char b)		// send data to LCD
  {
	busy();							// check busy flag
	rs = 1;							// select data register
	rw = 0;							// write enable
	P0 = b;							// write enable	
	en = 1;							// send byte to LCD
	en = 0;							// apply strobe pulse						
  }

void writecmd(unsigned char a)		// send command to LCD
  {
	busy();							// check busy flag
	rs = 0;							// select command register
	rw = 0;							// write enable
	P0 = a;							// send byte to LCD
	en = 1;							// apply strobe pulse
	en = 0;
  }

void Speaker::run( unsigned int newFreq, unsigned int newDuration )
{
  if ( !busy() )
  {
    freq = newFreq;
    duration = newDuration;
    mode = MODE_SWITCH;
  }
}

Dialogs::GameDatabaseDialog::GameDatabaseDialog(wxWindow* parent)
	: BaseConfigurationDialog( parent, AddAppName(_("Game Database - %s")), 580 )
{
	ScopedBusyCursor busy( Cursor_ReallyBusy );

	*this += new Panels::GameDatabasePanel(this);
	
	AddOkCancel();
}

void HttpManager::FreeMemory() {
  for (auto it = clients_.cbegin(); it != clients_.cend(); ) {
    if (!it->busy()) {
      clients_.erase(it++);
    } else {
      ++it;
    }
  }
}

void CGE2Engine::resetGame() {
	_busyPtr = nullptr;
	busy(false);
	_spare->clear();
	_vga->_showQ->clear();
	loadScript("CGE.INI", true);
	delete _infoLine;
	_infoLine = new InfoLine(this, kInfoW);
}

void Runner::stop()
{
    if (!busy())
        MovingObject::stop();
    for (std::list<Block*>::iterator bit = field->blocks.begin(); bit != field->blocks.end(); bit++ )
        if (!(*bit)->falling)
            (*bit)->stop();
    postVX = 0;
}

void  import_tree( void )
{
	FILE *fp ;
	short transfer_type = FAMTREE_TYPE ;
	short succeed ;		/* primarily used to check if gedcom header loaded	*/

	if( get_transfer_file_name( transfer_type ) && ( fp = fopen( transfer_file, "r" ) ) )
	{
		busy( BUSY_MORE ) ;

		transfer_type = read_trans_hdr_type( fp ) ;

		switch( transfer_type )
		{
			case FAMTREE_TYPE :
				load_std_trans_hdr( fp ) ;
				if( check_hdr() )
				{
					trans_pers_oset = next_person - 1 ;
					trans_coup_oset = next_couple - 1 ;

					load_trans_people( fp ) ;
					load_trans_couples( fp ) ;
				}
				break ;
			case GEDCOM_TYPE :
				succeed = prescan_gedcom_file( fp ) ;
				if( succeed )  load_gedcom_file( fp ) ;
				break ;
			case CSV_TYPE :
								/* Only load csv data if new tree or user chooses to continue	*/
				if( next_person == 1 || rsrc_form_alert( 1, CSV_WARNING ) == 2 )
				{
					fseek( fp, 0, SEEK_SET ) ;	/* no header, so return to start of file	*/
					load_csv_file( fp ) ;
				}
				break ;
		}
		
		fclose( fp ) ;
		
		busy( BUSY_LESS ) ;
	}
}

void PlanExecutor::startBackupSaveJob() {
	if(busy() || !destinationAvailable()) {
		return;
	}
	discardUserQuestion();
	mState = BACKUP_RUNNING;
	emit stateChanged();
	startSleepInhibit();
	startBackup();
}

void Lift::addHuman(Human* human) {
    //    qDebug() << "Passengers in lift (count): " << passengers.size();
    if (passengers.size() < capacity()) {
        passengers.push_back(human);
    }
    else {
        busy(true);
        elevate();
    }
}

// Thread 함수 
DWORD WINAPI ThreadFnc( LPVOID p  )
{
	
	while(1)
	{ 
		puts( (char*)p );
		busy(); 
	}
	return 0; 
}