Can you use epoll to monitor events related to packet loss or retransmissions?

Jun 6, 2021 ... epoll() is great because it forces the kernel developer to make a file descriptor like device for signals, while kqueue is full of “technical debt” struct epoll_event { uint32_t events; /* Epoll events */ epoll_data_t data;. /* User data variable */. }; A union is a data structure that can hold a single ... Jun 3, 2017 ... First way: select & poll. These 2 system calls are available on any Unix system, while epoll is Linux-specific. Here's basically how they work:. Jul 14, 2020 ... ... epoll.AbstractEpollChannel$AbstractEpollUnsafe$2.run(AbstractEpollChannel.java:575) ~[netty-transport-native-epoll-4.1.49.Final-linux-x86_64 ... What is epoll? epoll is an event poll and a variant of poll . It can be used either as an Edge or Level Triggered interface and scales well to large numbers of ... May 27, 2013 ... Select calls, which are O(n), epoll is an O(1) algorithm – this means that it scales well as the number of watched file descriptors increase. NioSocketChannel → EpollSocketChannel. Because the native transport is not part of the Netty core, you need to pull the netty-transport-native-epoll as a ... Dec 27, 2022 ... In this article, we will discuss how to optimize the connection processing method of NGINX and why the epoll method is particularly efficient. Dec 21, 2012 ... One straightforward way for I/O multiplexing is to have one process/thread for each connection, so that blocking in one connection does not affect others. EPOLLEXCLUSIVE. Wake only one epoll object when the associated fd has an event. The default (if this flag is not set) is to wake all epoll objects polling on a ...