std::net
PollEvent
enum PollEvent : const ushort
{
READ_PRIO = os::POLLPRI,
READ_OOB = os::POLLRDBAND,
READ = os::POLLRDNORM,
WRITE_OOB = os::POLLWRBAND,
WRITE = os::POLLWRNORM,
DISCONNECT = os::POLLHUP,
ERROR = os::POLLERR,
INVALID = os::POLLNVAL,
}