1 EPOLLIN 0x00000001 2 EPOLLPRI 0x00000002 3 EPOLLOUT 0x00000004 4 EPOLLERR 0x00000008 5 EPOLLHUP 0x00000010 6 EPOLLNVAL 0x00000020 7 EPOLLRDNORM 0x00000040 8 EPOLLRDBAND 0x00000080 9 EPOLLWRNORM 0x00000100 10 EPOLLWRBAND 0x00000200 11 EPOLLMSG 0x00000400 12 EPOLLRDHUP 0x00002000 13 EPOLLEXCLUSIVE 0x10000000 14 EPOLLWAKEUP 0x20000000 15 EPOLLONESHOT 0x40000000 16 EPOLLET 0x80000000 17
