#define _POSIX_SOURCE
#include <unistd.h>
#include <sys/types.h>
#include <stdio.h>
#include <time.h>
#include <signal.h>

#define TRUE 1
#define FALSE 0

int loop;

void handler( int signum )
{
	loop = FALSE;
}

int main( void )
{
	int parent = getpid();
	int child;

	loop = TRUE;

	printf( "process %d created at %d\n", getpid(), time( 0 ) );
	signal( SIGINT, handler );

	sleep( 5 );
	child = fork();

	if( child == 0 )
	{
		printf( "process %d created at %d\n", getpid(), time( 0 ) );
		printf( "press F4 to see process creation times...\n" );
		printf( "press DEL to exit...\n\n" );
	}

	while( loop == TRUE );
	printf("\n");

	return 0;
}