Is epoll specific to Linux? What are the equivalent mechanisms in other operating systems?

Jan 3, 2022 ... epoll: The API that powers the modern internet ... I used epoll, a crucial Linux feature, to efficiently handle network requests on the Internet. 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. benwills/epoll_rcvlowat_test_client.c ... Embed Embed this gist in your website. Share Copy sharable link for this gist. Clone via HTTPS Clone using the web URL. epoll — efficient method used on Linux 2.6+. The EPOLLRDHUP (Linux 2.6.17, glibc 2.8) and EPOLLEXCLUSIVE (Linux 4.5, glibc 2.24) flags are supported since 1.11. Oct 9, 2008 ... DaemonForums.org News Feedback and Suggestions FreeBSD FreeBSD General FreeBSD Ports and Packages FreeBSD Installation and Upgrading FreeBSD Security 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 ... Aug 8, 2023 ... The release of wasmer 4.1 introduces epoll support for wasix. Epoll opens up gates for scalability and improves performance in aspects such as networking, file ... Name. epoll_ctl -- control an epoll file descriptor ; Synopsis. #include . int epoll_ctl (int epfd, int op, int fd, struct epoll_event * event); ... Jan 3, 2010 ... poll is much simpler for easy cases; it is probably just as efficient for small numbers of file descriptors. 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”

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what is epoll

• Can you distinguish between different reasons for connection termination (e.g., graceful close, reset) using epoll?
• How does epoll interact with user-space buffering and caching mechanisms? Can user-space buffering affect the efficiency of edge-triggered I/O with epoll?
• How can you ensure the integrity and consistency of the epoll state in multi-threaded or multi-process applications?
• How do you share an epoll instance between multiple processes? What are the synchronization requirements when multiple threads or processes are interacting with the same epoll instance or the file descriptors it monitors?
• What are the common patterns for using epoll with multiple threads or processes?
• What are the potential drawbacks of using epoll? How does epoll compare to select in terms of performance?
• How does epoll handle fairness among the monitored file descriptors?
• What are some techniques for optimizing interrupt handling for high-performance network applications that use epoll?
• How does the kernel manage the epoll data structures?
• What are the limitations of using epoll for very low-level packet manipulation? How does epoll interact with network offloading technologies like TCP Segmentation Offload (TSO) or Large Receive Offload (LRO)?