/*
 * msleep.c -- ミリ秒単位のタイマー
 */

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

int msleep(int ms)
{
	struct timeval timeout;
	timeout.tv_sec = ms / 1000;
	timeout.tv_usec = (ms % 1000) * 1000;
	if (select(0, (fd_set *) 0, (fd_set *) 0, (fd_set *) 0, &timeout) < 0) {
		perror("usleep");
		return -1;
	}
	return 0;
}