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man: Specify that only d-bus methods can be answered async

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Not properties.
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igo95862 2021-03-16 21:43:12 +03:00 committed by Lennart Poettering
parent 5e23c2f42f
commit ca1eacd8e0
1 changed files with 3 additions and 2 deletions
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5
man/sd_bus_add_object.xml
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@ -294,11 +294,12 @@
returns zero, an error reply is sent back to the caller indicating no matching object for the returns zero, an error reply is sent back to the caller indicating no matching object for the
request was found.</para> request was found.</para>
<para>Note that you can return a positive integer from a callback without <para>Note that you can return a positive integer from a <parameter>method</parameter> callback without
immediately sending a reply. This informs sd-bus this callback will take responsibility for immediately sending a reply. This informs sd-bus this callback will take responsibility for
replying to the request without forcing the callback to produce a reply immediately. This allows replying to the request without forcing the callback to produce a reply immediately. This allows
a callback to perform any number of asynchronous operations required to construct a reply. a callback to perform any number of asynchronous operations required to construct a reply.
However, if producing a reply takes too long, the method call will time out at the caller.</para> However, if producing a reply takes too long, the method call will time out at the caller. This is
only available to methods and not properties.</para>
<para>If a callback was invoked to handle a request that expects a reply and the callback <para>If a callback was invoked to handle a request that expects a reply and the callback
returns a negative value, the value is interpreted as a negative errno-style error code and sent returns a negative value, the value is interpreted as a negative errno-style error code and sent