nuclear@2: #include <unistd.h>
nuclear@2: #include <sys/time.h>
nuclear@2: 
nuclear@2: unsigned long get_msec()
nuclear@2: {
nuclear@2: 	static struct timeval tv0;
nuclear@2: 	struct timeval tv;
nuclear@2: 
nuclear@2: 	gettimeofday(&tv, 0);
nuclear@2: 	if(tv0.tv_sec == 0 && tv0.tv_usec == 0) {
nuclear@2: 		tv0 = tv;
nuclear@2: 		return 0;
nuclear@2: 	}
nuclear@2: 	return (tv.tv_sec - tv0.tv_sec) * 1000 + (tv.tv_usec - tv0.tv_usec) / 1000;
nuclear@2: }
nuclear@7: 
nuclear@7: void wait_for(unsigned long msec)
nuclear@7: {
nuclear@7: 	usleep(msec * 1000);
nuclear@7: }