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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-11-10 05:57:41 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-11-12 17:06:33 +0900 |
| commit | c660668ed9daf15358c522c09ba3932393bd5451 (patch) | |
| tree | dd7d18e67f81df718d2085a4faeae1aedc1a2e5d /man/sd_bus_call.xml | |
| parent | 23243adf69ffed2630c778e021c3cf2e97a6b999 (diff) | |
| download | systemd-c660668ed9daf15358c522c09ba3932393bd5451.tar.gz | |
man: mention that sd_bus_call() may return a negative errno mapped from D-Bus error reply
Closes #17556.
Diffstat (limited to 'man/sd_bus_call.xml')
| -rw-r--r-- | man/sd_bus_call.xml | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/man/sd_bus_call.xml b/man/sd_bus_call.xml index 2c27f934ac..3eeccdb63e 100644 --- a/man/sd_bus_call.xml +++ b/man/sd_bus_call.xml @@ -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> |