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@@ -235,8 +235,8 @@ are additional default index files, ordered before `index.cgi`.
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### enable\_keep\_alive `no`
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Enable connection keep alive, either `yes` or `no`.
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-Experimental feature. Allows clients to reuse TCP connection for subsequent
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-HTTP requests, which improves performance.
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+Allows clients to reuse TCP connection for subsequent HTTP requests,
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+which improves performance.
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For this to work when using request handlers it is important to add the
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correct Content-Length HTTP header for each request. If this is forgotten the
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client will time out.
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@@ -393,7 +393,6 @@ Note: For consistency with other timeouts, the value is configured in
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milliseconds. However, the TCP socket layer usually only offers a timeout in
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seconds, so the value should be an integer multiple of 1000.
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-
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### lua\_preload\_file
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This configuration option can be used to specify a Lua script file, which
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is executed before the actual web page script (Lua script, Lua server page
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@@ -415,6 +414,18 @@ directly to the client. Lua script parts are delimited from the standard
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content by including them between <? and ?> tags.
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An example can be found in the test directory.
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+### lua\_background\_script
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+Experimental feature, and subject to change.
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+Run a Lua script in the background, independent from any connection.
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+The script is started before network access to the server is available.
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+It can be used to prepare the document root (e.g., update files, compress
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+files, ...), check for external resources, remove old log files, etc.
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+
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+The Lua state remains open until the server is stopped.
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+In the future, some callback functions will be available to notify the
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+script on changes of the server state.
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+
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+
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### websocket\_root
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In case civetweb is built with Lua and websocket support, Lua scripts may
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be used for websockets as well. Since websockets use a different URL scheme
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