#include <sys/types.h>
#include <sys/time.h>
#include <sys/select.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char** argv)
{
	struct timeval delay;
	int i, del;

	del = atoi(argv[1]);

	for (i = 0; i < 1000; i++) {
		delay.tv_sec = 0;
		delay.tv_usec = del;
		(void) select(0, NULL, NULL, NULL, &delay);
	}
	return 0;
}