#define TRUE 1
#define FALSE 0
#define N 2
Int interested[2];
void enter_region(int process);
{
	Int other /* numero dell’altro processo */
	Other = 1 – process
	Interested[process] = TURE;
	while(interested[other] == TRUE);
}
CRITICAL REGION
Void leave_region (int process);
{
	Interested[process] = FALSE;
}