while(psleft>0){		

printf("\n\ncurrent time is :  %d\n", currentTime);

		for(ii=0; ii<psleft; ii++){
		if(process_list[ii].start_time == currentTime){		
		IQueueStore(ii);		
		}
		}	
		
		if(IQueueSize()==0){
		printf("idle\n");
		}
		
		if(IQueueSize()>0){
		PID = IQueueRetrieve();
		printf("running process %d for 5 timesharess \n", PID);
		process_list[PID].time_left = process_list[PID].time_left-timeSlice;
		}

		if(process_list[PID].time_left>0){
		IQueueStore(PID);
		}
		
		if(process_list[PID].time_left==0){
		psleft=psleft-1;
		}

currentTime = currentTime +5;
sleep(2);
}//end while