27 pub fn nano_sleep(sleep_time: TimeSpec) -> Result<TimeSpec, SystemError> {  in nano_sleep()
28     if sleep_time.tv_nsec < 0 || sleep_time.tv_nsec >= 1000000000 {  in nano_sleep()
33     if sleep_time.tv_nsec < 500000 {  in nano_sleep()
35             unsafe { _rdtsc() + (sleep_time.tv_nsec as u64 * Cpu_tsc_freq) / 1000000000 };  in nano_sleep()
48         next_n_us_timer_jiffies((sleep_time.tv_nsec / 1000) as u64),  in nano_sleep()
75 pub fn us_sleep(sleep_time: TimeSpec) -> Result<TimeSpec, SystemError> {  in us_sleep()
76     match nano_sleep(sleep_time) {  in us_sleep()
94 pub extern "C" fn rs_nanosleep(sleep_time: *const timespec, rm_time: *mut timespec) -> i32 {  in rs_nanosleep()
95     if sleep_time == null_mut() {  in rs_nanosleep()
99         tv_sec: unsafe { *sleep_time }.tv_sec,  in rs_nanosleep()
100         tv_nsec: unsafe { *sleep_time }.tv_nsec,  in rs_nanosleep()
127     let sleep_time = TimeSpec {  in rs_usleep()  localVariable
131     match us_sleep(sleep_time) {  in rs_usleep()