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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
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
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.
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
returns a negative value, the value is interpreted as a negative errno-style error code and sent