//bench/incr_fcntl1.c
void *
incr(void *arg)
{
	int		i;

	for (i = 0; i < nloop; i++) {
		Writew_lock(shared.fd, 0, SEEK_SET, 0);
		shared.counter++;
		Un_lock(shared.fd, 0, SEEK_SET, 0);
	}
	return(NULL);
}
