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sd-bus: Add note about sd_bus_reply_method_return to SD_BUS_METHOD docs

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This commit is contained in:
Daan De Meyer 2020-03-30 21:11:42 +02:00
parent fc91667d77
commit 9b62e232ea
2 changed files with 34 additions and 31 deletions
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4
man/rules/meson.build
View File

@ -121,7 +121,7 @@ manpages = [
'sd_bus_match_signal',
'sd_bus_match_signal_async'],
''],
['sd_bus_add_object_vtable',
['sd_bus_add_object',
'3',
['SD_BUS_METHOD',
'SD_BUS_METHOD_WITH_NAMES',
@ -136,7 +136,7 @@ manpages = [
'SD_BUS_WRITABLE_PROPERTY',
'sd_bus_add_fallback',
'sd_bus_add_fallback_vtable',
'sd_bus_add_object'],
'sd_bus_add_object_vtable'],
''],
['sd_bus_attach_event', '3', ['sd_bus_detach_event', 'sd_bus_get_event'], ''],
['sd_bus_call', '3', ['sd_bus_call_async'], ''],

59
man/sd_bus_add_object_vtable.xml → man/sd_bus_add_object.xml
View File

@ -3,24 +3,24 @@
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="sd_bus_add_object_vtable"
<refentry id="sd_bus_add_object"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>sd_bus_add_object_vtable</title>
<title>sd_bus_add_object</title>
<productname>systemd</productname>
</refentryinfo>
<refmeta>
<refentrytitle>sd_bus_add_object_vtable</refentrytitle>
<refentrytitle>sd_bus_add_object</refentrytitle>
<manvolnum>3</manvolnum>
</refmeta>
<refnamediv>
<refname>sd_bus_add_object_vtable</refname>
<refname>sd_bus_add_fallback_vtable</refname>
<refname>sd_bus_add_object</refname>
<refname>sd_bus_add_fallback</refname>
<refname>sd_bus_add_object_vtable</refname>
<refname>sd_bus_add_fallback_vtable</refname>
<refname>SD_BUS_VTABLE_START</refname>
<refname>SD_BUS_VTABLE_END</refname>
<refname>SD_BUS_METHOD_WITH_NAMES_OFFSET</refname>
@ -78,6 +78,24 @@
<paramdef>sd_bus_error *<parameter>ret_error</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>int <function>sd_bus_add_object</function></funcdef>
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
<paramdef>sd_bus_slot **<parameter>slot</parameter></paramdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>sd_bus_message_handler_t <parameter>callback</parameter></paramdef>
<paramdef>void *<parameter>userdata</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>int <function>sd_bus_add_fallback</function></funcdef>
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
<paramdef>sd_bus_slot **<parameter>slot</parameter></paramdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>sd_bus_message_handler_t <parameter>callback</parameter></paramdef>
<paramdef>void *<parameter>userdata</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>int <function>sd_bus_add_object_vtable</function></funcdef>
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
@ -99,24 +117,6 @@
<paramdef>void *<parameter>userdata</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>int <function>sd_bus_add_object</function></funcdef>
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
<paramdef>sd_bus_slot **<parameter>slot</parameter></paramdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>sd_bus_message_handler_t <parameter>callback</parameter></paramdef>
<paramdef>void *<parameter>userdata</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>int <function>sd_bus_add_fallback</function></funcdef>
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
<paramdef>sd_bus_slot **<parameter>slot</parameter></paramdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>sd_bus_message_handler_t <parameter>callback</parameter></paramdef>
<paramdef>void *<parameter>userdata</parameter></paramdef>
</funcprototype>
<para>
<constant>SD_BUS_VTABLE_START(<replaceable>flags</replaceable>)</constant>
</para>
@ -247,8 +247,8 @@
<function>sd_bus_add_object()</function> but applies to fallback paths instead.</para>
<para>When a request is received, any associated callbacks are called sequentially until a
callback returns a non-zero integer. Return zero from a callback to defer handling of the
request to the next callback. Callbacks are called in the following order: first, callbacks
callback returns a non-zero integer. Return zero from a callback to give other callbacks the
chance to process the request. Callbacks are called in the following order: first, callbacks
attached directly to the request object path are called, followed by any D-Bus method callbacks
attached to the request object path, interface and member. Finally, the property callbacks
attached to the request object path, interface and member are called. If the final callback
@ -317,9 +317,12 @@
messages that call this method. It receives a pointer that is the
<replaceable>userdata</replaceable> parameter passed to the registration function offset
by <replaceable>offset</replaceable> bytes. This may be used to pass pointers to different
fields in the same data structure to different methods in the same vtable.
<replaceable>in_names</replaceable> and <replaceable>out_names</replaceable> should be
created using the <constant>SD_BUS_PARAM()</constant> macro, see below. Parameter
fields in the same data structure to different methods in the same vtable. To send a reply
from <parameter>handler</parameter>, call
<citerefentry><refentrytitle>sd_bus_reply_method_return</refentrytitle><manvolnum>3</manvolnum></citerefentry>
with the message the callback was invoked with. <replaceable>in_names</replaceable> and
<replaceable>out_names</replaceable> should be created using the
<constant>SD_BUS_PARAM()</constant> macro, see below. Parameter
<replaceable>flags</replaceable> is a combination of flags, see below.</para>
<para><constant>SD_BUS_METHOD_WITH_NAMES()</constant>,