gistfile1.txt

#[cfg(target_os = "macos")]
native mod c {
  fn mach_absolute_time() -> u64;
}

#[cfg(target_os = "macos")]
#[link_name=""]
#[link_args = "-framework CoreServices"]
native mod CoreServices {
  fn AbsoluteToNanoseconds(abs: *u64) -> u64;
}