message: Add epoll constants
diff: @@ -19,6 +19,19 @@ pub const EPOLL_CTL_ADD: c_int = 1;
  pub const EPOLL_CTL_DEL: c_int = 2;
  pub const EPOLL_CTL_MOD: c_int = 3;
  +pub const EPOLLIN: u32 = 0x0001;
  +pub const EPOLLPRI: u32 = 0x0002;
  +pub const EPOLLOUT: u32 = 0x0004;
  +pub const EPOLLERR: u32 = 0x0008;
  +pub const EPOLLHUP: u32 = 0x0010;
  +pub const EPOLLNVAL: u32 = 0x0020;
  +pub const EPOLLRDNORM: u32 = 0x0040;
  +pub const EPOLLRDBAND: u32 = 0x0080;
  +pub const EPOLLWRNORM: u32 = 0x0100;
  +pub const EPOLLWRBAND: u32 = 0x0200;
  +pub const EPOLLMSG: u32 = 0x0400;
  +pub const EPOLLRDHUP: u32 = 0x2000;
  +
  #[repr(C)]
  pub union epoll_data {
  ptr: *mut c_void,
  