message: Add all 3 epoll_ctl ops
diff: @@ -24,20 +24,33 @@ impl PalEpoll for Sys {
  fn epoll_ctl(epfd: c_int, op: c_int, fd: c_int, event: *mut epoll_event) -> c_int {
  match op {
  - EPOLL_CTL_ADD => {
  + EPOLL_CTL_ADD | EPOLL_CTL_MOD => {
  Sys::write(
  epfd,
  &Event {
  id: fd as usize,
  flags: unsafe { (*event).events as usize },
  -
  // NOTE: Danger when using non 64-bit systems. If this is
  // needed, use a box or something
  data: unsafe { mem::transmute((*event).data) },
  },
  ) as c_int
  },
  - _ => unimplemented!()
  + EPOLL_CTL_DEL => {
  + Sys::write(
  + epfd,
  + &Event {
  + id: fd as usize,
  + flags: 0,
  + //TODO: Is data required?
  + data: 0,
  + },
  + ) as c_int
  + },
  + _ => {
  + platform::errno = errno::EINVAL;
  + return -1;
  + }
  }
  }
  