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doc: document caveats related to auto-dropping of closed sockets

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Bert Belder 2017-12-03 18:16:14 +01:00
parent ddb8bfc9d6
commit af9180dcfb
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doc/README.md
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@ -88,6 +88,11 @@ int epoll_ctl(HANDLE ephnd,
* Control which socket events are monitored by an epoll port.
* `ephnd` must be a HANDLE created by `epoll_create` or `epoll_create1`.
* `op` must be one of `EPOLL_CTL_ADD`, `EPOLL_CTL_MOD`, `EPOLL_CTL_DEL`.
* It is recommended to always explicitly remove a socket from its epoll
set using `EPOLL_CTL_MOD` *before* closing it. As on Linux, sockets
are automatically removed from the epoll set when they are closed, but
wepoll may not be able to detect this until the next call to
`epoll_wait()`.
* TODO: expand
* [man page](http://man7.org/linux/man-pages/man2/epoll_ctl.2.html)