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Libevent-devel
Jul 20, 2023
API for executing callback functions on events or timeouts
The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. Furthermore, libevent also support callbacks due to signals or regular timeouts.
libevent is meant to replace the event loop found in event driven network servers. An application just needs to call event_dispatch and then add or remove events dynamically without having to change the event loop.
Currently, libevent supports /dev/poll, kqueue2, event ports, select2, poll2 and epoll4. The internal event mechanism is completely independent of the exposed event API, and a simple update of libevent can provide new functionality without having to redesign the applications. As a result, Libevent allows for portable application development and provides the most scalable event notification mechanism available on an operating system. Libevent can also be used for multi-threaded applications.
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