EPOLLHUP 92 src/pkg/runtime/netpoll_epoll.c if(ev->events & (EPOLLIN|EPOLLRDHUP|EPOLLHUP|EPOLLERR)) EPOLLHUP 94 src/pkg/runtime/netpoll_epoll.c if(ev->events & (EPOLLOUT|EPOLLHUP|EPOLLERR))