message: Fix use of timeout in epoll_pwait on redox
diff: @@ -105,13 +105,15 @@ impl PalEpoll for Sys {
  }
  let read = bytes_read as usize / mem::size_of::<epoll_event>();
  + let mut count = 0;
  for i in 0..read {
  unsafe {
  let event_ptr = events.add(i);
  let event = *(event_ptr as *mut Event);
  if let Some(ref timer) = timer_opt {
  if event.id as c_int == timer.fd {
  - return EINTR;
  + // Do not count timer event
  + continue;
  }
  }
  *event_ptr = epoll_event {
  @@ -119,9 +121,10 @@ impl PalEpoll for Sys {
  data: mem::transmute(event.data),
  ..Default::default()
  };
  + count += 1;
  }
  }
  - read as c_int
  + count as c_int
  }
  }
  