46 i = gettimeofday(&tp,&tzp);
47 return ( (
double) tp.tv_sec + (
double) tp.tv_usec * 1.e-6 );
56 gettimeofday(&t,&tzp);
57 return (
double) t.tv_sec*1000000+t.tv_usec;
65 struct timespec req={0},rem={0};
66 time_t sec=(int)(n/1000);
69 req.tv_nsec=n*1000000L;