Are there any performance benefits to splitting the monitored file descriptors across multiple epoll instances?

The epoll API is Linux-specific. Some other systems provide similar mechanisms, for example, FreeBSD has kqueue, and Solaris has /dev/poll. Jan 10, 2017 ... All file descriptors on Unix systems start out in "blocking mode". That means that I/O system calls like read, write, or connect can block. Jun 1, 2021 ... ... epoll.cpp:100) Exception in thread Thread-4: Bad address (C:\ci\zeromq_1602704446950\work\src\epoll.cpp:100) Traceback (most recent call ... 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 ... Jan 5, 2018 ... This tutorial assumes you're familiar and comfortable with Linux, the syntax of C and the usage of file descriptors in UNIX-like systems. May 6, 2024 ... epoll is simply a faster, and can be used wherever the latter is used since it shares the same semantics. The application enters a loop where it calls epoll_wait to wait for events. This call blocks until one or more registered file descriptors become ready or ... Dec 23, 2010 ... An epoll file descriptor has a private struct eventpoll that keeps track of which fd's are attached to this fd. · When you add a file descriptor ... Mar 1, 2017 ... I think it's just the timing and the tool that's giving you misleading data. Entities are definitely the most time consuming on most servers. Jun 21, 2019 ... On Linux , it is epoll. On FreeBSD/etc. , it is kqueue. There has been quite a bit of discussion regarding the theoretically-correct model ...