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1. epoll - Wikipedia
Link: https://en.wikipedia.org/wiki/Epoll
Description: webepoll is a Linux kernel system call for a scalable I/O event notification mechanism, first introduced in version 2.5.45 of the Linux kernel. Its function is to monitor multiple file descriptors to see whether I/O is possible on any of them.
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2. epoll(7) - Linux manual page - man7.org
Link: https://www.man7.org/linux/man-pages/man7/epoll.7.html
Description: webThe central concept of the epoll API is the epoll instance, an. in-kernel data structure which, from a user-space perspective, can be considered as a container for two lists: • The interest list (sometimes also called the epoll set): the. set of …
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3. epoll(7): I/O event notification facility - Linux man page
Link: https://linux.die.net/man/7/epoll
Description: webThe following interfaces can be used to limit the amount of kernel memory consumed by epoll: /proc/sys/fs/epoll/max_user_watches (since Linux 2.6.28) This specifies a limit on the total number of file descriptors that a user can register across all epoll instances on the system. The limit is per real user ID.
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4. Async IO on Linux: select, poll, and epoll - Julia Evans
Link: https://jvns.ca/blog/2017/06/03/async-io-on-linux--select--poll--and-epoll/
Description: webJun 3, 2017 · The epoll group of system calls (epoll_create, epoll_ctl, epoll_wait) give the Linux kernel a list of file descriptors to track and ask for updates about activity on those file descriptors. Here are the steps to using epoll: Call epoll_create to tell the kernel you’re gong to be epolling! It gives you an id back
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5. linux - How do I use epoll? - Stack Overflow
Link: https://stackoverflow.com/questions/31230708/how-do-i-use-epoll
Description: webJul 5, 2015 · To use epoll(7), there's really not much to say besides what you can read in man 7 epoll: Create an epoll instance with epoll_create(2) or the more recent variant epoll_create1(2). Register interest in file descriptors with epoll_ctl(2). Call epoll_wait(2) to wait for an I/O event, possibly blocking the calling thread until some event is available
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6. epoll(4): I/O event notification facility - Linux man page
Link: https://linux.die.net/man/4/epoll
Description: webepoll is a variant of poll(2) that can be used either as Edge or Level Triggered interface and scales well to large numbers of watched fds. Three system calls are provided to set up and control an epoll set: epoll_create(2), epoll_ctl(2), epoll_wait(2). An epoll set is connected to a file descriptor created by epoll_create(2).
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7. pniewiejski/learn-io-polling: What is epoll? - GitHub
Link: https://github.com/pniewiejski/learn-io-polling
Description: webepoll_create and epoll_create1. There are two functions that can "create" a new epoll instance. Or as the manual says "open an epoll file descriptor". When epoll_create or epoll_create1 is called, the kernel will create a new instance of epoll - a special data structure inside the kernel.
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8. epoll_create(2) - Linux manual page - man7.org
Link: https://www.man7.org/linux/man-pages/man2/epoll_create.2.html
Description: webepoll_create() returns a file descriptor referring to the new epoll instance. This file descriptor is used for all the subsequent calls to the epoll interface. When no longer required, the file descriptor returned by epoll_create () should be closed by using close(2) .
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9. How epoll works efficiently - SoByte
Link: https://www.sobyte.net/post/2022-04/epoll-efficiently/
Description: webApr 10, 2022 · epoll in layman’s terms. Combined with the above three items, epoll is a mechanism that notifies the kernel when the kernel buffer of a file descriptor is not empty by sending a readable signal, and notifies the kernel when the write buffer is full by sending a writable signal. APIs of epoll.
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10. E-Poll Surveys - Express Yourself! Take Online Surveys
Link: http://e-poll.com/
Description: webDo you want to share your opinions and earn rewards? Join E-Poll, a free online survey site that lets you express yourself and get paid for it. Sign up today and start earning points for gift cards, cash and more.