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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /man/sd_bus_reply_method_error.xml | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/sd_bus_reply_method_error.xml')
-rw-r--r-- | man/sd_bus_reply_method_error.xml | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/man/sd_bus_reply_method_error.xml b/man/sd_bus_reply_method_error.xml new file mode 100644 index 0000000..bbb916d --- /dev/null +++ b/man/sd_bus_reply_method_error.xml @@ -0,0 +1,161 @@ +<?xml version='1.0'?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + SPDX-License-Identifier: LGPL-2.1+ +--> + +<refentry id="sd_bus_reply_method_error" + xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>sd_bus_reply_method_error</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>sd_bus_reply_method_error</refentrytitle> + <manvolnum>3</manvolnum> + </refmeta> + + <refnamediv> + <refname>sd_bus_reply_method_error</refname> + <refname>sd_bus_reply_method_errorf</refname> + <refname>sd_bus_reply_method_errno</refname> + <refname>sd_bus_reply_method_errnof</refname> + + <refpurpose>Reply with an error to a method call</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> + + <funcprototype> + <funcdef>int sd_bus_reply_method_error</funcdef> + <paramdef>sd_bus_message *<parameter>call</parameter></paramdef> + <paramdef>const sd_bus_error *<parameter>e</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>int sd_bus_reply_method_errorf</funcdef> + <paramdef>sd_bus_message *<parameter>call</parameter></paramdef> + <paramdef>const char *<parameter>name</parameter></paramdef> + <paramdef>const char *<parameter>format</parameter></paramdef> + <paramdef>…</paramdef> + </funcprototype> + + <funcprototype> + <funcdef>int sd_bus_reply_method_errno</funcdef> + <paramdef>sd_bus_message *<parameter>call</parameter></paramdef> + <paramdef>int <parameter>error</parameter></paramdef> + <paramdef>const sd_bus_error *<parameter>p</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>int sd_bus_reply_method_errnof</funcdef> + <paramdef>sd_bus_message *<parameter>call</parameter></paramdef> + <paramdef>int <parameter>error</parameter></paramdef> + <paramdef>const char *<parameter>format</parameter></paramdef> + <paramdef>…</paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para>The <function>sd_bus_reply_method_error()</function> function sends an + error reply to the <parameter>call</parameter> message. The error structure + <parameter>e</parameter> specifies the error to send, and is used as described in + <citerefentry><refentrytitle>sd_bus_message_new_error</refentrytitle><manvolnum>3</manvolnum></citerefentry>. + If no reply is expected to <parameter>call</parameter>, this function returns + success without sending reply.</para> + + <para>The <function>sd_bus_reply_method_errorf()</function> is to + <function>sd_bus_reply_method_error()</function> what + <function>sd_bus_message_new_method_errorf()</function> is to + <function>sd_bus_message_new_method_error()</function>.</para> + + <para>The <function>sd_bus_reply_method_errno()</function> is to + <function>sd_bus_reply_method_error()</function> what + <function>sd_bus_message_new_method_errno()</function> is to + <function>sd_bus_message_new_method_error()</function>.</para> + + <para>The <function>sd_bus_reply_method_errnof()</function> is to + <function>sd_bus_reply_method_error()</function> what + <function>sd_bus_message_new_method_errnof()</function> is to + <function>sd_bus_message_new_method_error()</function>.</para> + </refsect1> + + <refsect1> + <title>Return Value</title> + + <para>These functions return 0 if the error reply was successfully sent or if + none was expected, and a negative errno-style error code otherwise.</para> + </refsect1> + + <refsect1 id='errors'> + <title>Errors</title> + + <para>Returned errors may indicate the following problems:</para> + + <variablelist> + <varlistentry> + <term><constant>-EINVAL</constant></term> + + <listitem><para>The call message <parameter>call</parameter> is + <constant>NULL</constant>.</para> + + <para>Message <parameter>call</parameter> is not a method call message. + </para> + + <para>Message <parameter>call</parameter> is not attached to a bus.</para> + + <para>The error <parameter>error</parameter> parameter to + <function>sd_bus_reply_method_error</function> is not set, see + <citerefentry><refentrytitle>sd_bus_error_is_set</refentrytitle><manvolnum>3</manvolnum></citerefentry>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><constant>-EPERM</constant></term> + + <listitem><para>Message <parameter>call</parameter> has been sealed. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-ENOTCONN</constant></term> + + <listitem><para>The bus to which message <parameter>call</parameter> is + attached is not connected.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-ENOMEM</constant></term> + + <listitem><para>Memory allocation failed.</para></listitem> + </varlistentry> + </variablelist> + + <para>In addition, any error message returned by + <citerefentry><refentrytitle>sd_bus_send</refentrytitle><manvolnum>1</manvolnum></citerefentry> + may be returned.</para> + </refsect1> + + <xi:include href="libsystemd-pkgconfig.xml" /> + + <refsect1> + <title>See Also</title> + + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_bus_message_new_method_error</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |