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man: mention that sd_bus_call() may return a negative errno mapped from D-Bus error reply

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Closes #17556.
This commit is contained in:
Yu Watanabe 2020-11-10 05:57:41 +09:00
parent 23243adf69
commit c660668ed9
1 changed files with 8 additions and 2 deletions
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10
man/sd_bus_call.xml
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@ -104,7 +104,12 @@
<refsect2 id='errors'>
<title>Errors</title>
<para>Returned errors may indicate the following problems:</para>
<para>Returned errors may indicate the following problems. When
<function>sd_bus_call()</function> internally receives a D-Bus error reply, it will set
<parameter>ret_error</parameter> if it is not <constant>NULL</constant>, and will return a
negative value mapped from the error reply. See
<citerefentry><refentrytitle>sd_bus_error_get_errno</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
</para>
<variablelist>
<varlistentry>
@ -180,7 +185,8 @@
<citerefentry><refentrytitle>sd_bus_call_method</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd_bus_call_method_async</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd_bus_message_new_method_call</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd_bus_message_append</refentrytitle><manvolnum>3</manvolnum></citerefentry>
<citerefentry><refentrytitle>sd_bus_message_append</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sd_bus_error</refentrytitle><manvolnum>3</manvolnum></citerefentry>
</para>
</refsect1>