#include <semaphore.h>

int main(){
	sem_unlink("/firstTacleSem");
	sem_unlink("/secondTacleSem");
	sem_unlink("/thirdTacleSem");
	sem_unlink("/fourthTacleSem");
	//no longer in use; delete last line after running once
	//sem_unlink("/cacheTacleSem");
}