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updated user manual

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Sergey Lyubka 2013-03-06 13:37:01 +00:00
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UserManual.md
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@ -488,6 +488,14 @@ by the master thread. `process_new_connection()` actually processes the
connection, i.e. reads the request, parses it, and performs appropriate action
depending on a parsed request.
Master thread uses `poll()` and `accept()` to accept new connections on
listening sockets. `poll()` is used to avoid `FD_SETSIZE` limitation of
`select()`. Since there are only a few listening sockets, there is no reason
to use hi-performance alternatives like `epoll()` or `kqueue()`. Worker
threads use blocking IO on accepted sockets for reading and writing data.
All accepted sockets have `SO_RCVTIMEO` and `SO_SNDTIMEO` socket options set
(controlled by `request_timeout_ms` mongoose option, 30 seconds default) which
specify read/write timeout on client connection.
# Other Resources
- Presentation made by Arnout Vandecappelle at FOSDEM 2011 on 2011-02-06