827c827 < * block or return EAGAIN is 0xfffffffffffffffe, so the descriptor --- > * block or return EAGAIN is 0xFFFFFFFFFFFFFFFE, so the descriptor 834c834 < if (engine->u.epoll.neventfd++ >= 0xfffffffe) { --- > if (engine->u.epoll.neventfd++ >= 0xFFFFFFFE) {