sd-bus: Add sd_bus_slot_get_current_* docs

man/rules/meson.build

@@ -352,10 +352,13 @@ manpages = [
   ''],
  ['sd_bus_set_sender', '3', ['sd_bus_get_sender'], ''],
  ['sd_bus_set_watch_bind', '3', ['sd_bus_get_watch_bind'], ''],
- ['sd_bus_slot_ref',
+ ['sd_bus_slot_get_bus',
   '3',
-  ['sd_bus_slot_get_bus', 'sd_bus_slot_unref', 'sd_bus_slot_unrefp'],
+  ['sd_bus_slot_get_current_handler',
+   'sd_bus_slot_get_current_message',
+   'sd_bus_slot_get_current_userdata'],
   ''],
+ ['sd_bus_slot_ref', '3', ['sd_bus_slot_unref', 'sd_bus_slot_unrefp'], ''],
  ['sd_bus_slot_set_description', '3', ['sd_bus_slot_get_description'], ''],
  ['sd_bus_slot_set_destroy_callback',
   '3',

man/sd-bus.xml

@@ -96,7 +96,10 @@
 <citerefentry><refentrytitle>sd_bus_set_method_call_timeout</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_sender</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_watch_bind</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-<citerefentry><refentrytitle>sd_bus_set_close_on_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+<citerefentry><refentrytitle>sd_bus_set_close_on_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_slot_get_current_handler</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_slot_get_current_message</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_slot_get_current_userdata</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_set_description</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_set_destroy_callback</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_set_floating</refentrytitle><manvolnum>3</manvolnum></citerefentry>,

man/sd_bus_slot_get_bus.xml

@@ -0,0 +1,88 @@
+<?xml version='1.0'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
+
+<refentry id="sd_bus_slot_get_bus" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <refentryinfo>
+    <title>sd_bus_slot_get_bus</title>
+    <productname>systemd</productname>
+  </refentryinfo>
+
+  <refmeta>
+    <refentrytitle>sd_bus_slot_get_bus</refentrytitle>
+    <manvolnum>3</manvolnum>
+  </refmeta>
+
+  <refnamediv>
+    <refname>sd_bus_slot_get_bus</refname>
+    <refname>sd_bus_slot_get_current_handler</refname>
+    <refname>sd_bus_slot_get_current_message</refname>
+    <refname>sd_bus_slot_get_current_userdata</refname>
+
+    <refpurpose>Query information attached to a bus slot object</refpurpose>
+  </refnamediv>
+
+  <refsynopsisdiv>
+    <funcsynopsis>
+      <funcsynopsisinfo>#include &lt;systemd/sd-bus.h&gt;</funcsynopsisinfo>
+
+      <funcprototype>
+        <funcdef>sd_bus *<function>sd_bus_slot_get_bus</function></funcdef>
+        <paramdef>sd_bus_slot *<parameter>slot</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>sd_bus_message_handler_t <function>sd_bus_slot_get_current_handler</function>
+        </funcdef>
+        <paramdef>sd_bus_slot *<parameter>slot</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>sd_bus_message *<function>sd_bus_slot_get_current_message</function></funcdef>
+        <paramdef>sd_bus_slot *<parameter>slot</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>void *<function>sd_bus_slot_get_current_userdata</function></funcdef>
+        <paramdef>sd_bus_slot *<parameter>slot</parameter></paramdef>
+      </funcprototype>
+    </funcsynopsis>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title>Description</title>
+
+    <para><function>sd_bus_slot_get_bus()</function> returns the bus object that message
+    <parameter>slot</parameter> is attached to.</para>
+
+    <para><function>sd_bus_slot_get_current_handler()</function>,
+    <function>sd_bus_slot_get_current_message()</function> and
+    <function>sd_bus_slot_get_current_userdata()</function> return the current handler, message and
+    userdata respectively of the bus <parameter>slot</parameter> is attached to if we're currently
+    executing the callback associated with <parameter>slot</parameter>.</para>
+  </refsect1>
+
+  <refsect1>
+    <title>Return Value</title>
+
+    <para><function>sd_bus_slot_get_bus()</function> always returns the bus object.</para>
+
+    <para>On success, <function>sd_bus_slot_get_current_handler()</function>,
+    <function>sd_bus_slot_get_current_message()</function> and
+    <function>sd_bus_slot_get_current_userdata()</function> return the requested object. On failure,
+    they return <constant>NULL</constant>.</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>,
+    </para>
+  </refsect1>
+
+</refentry>

man/sd_bus_slot_ref.xml

@@ -18,7 +18,6 @@
     <refname>sd_bus_slot_ref</refname>
     <refname>sd_bus_slot_unref</refname>
     <refname>sd_bus_slot_unrefp</refname>
-    <refname>sd_bus_slot_get_bus</refname>
 
     <refpurpose>Create and destroy references to a bus slot object</refpurpose>
   </refnamediv>
@@ -41,11 +40,6 @@
         <funcdef>void <function>sd_bus_slot_unrefp</function></funcdef>
         <paramdef>sd_bus_slot **<parameter>slotp</parameter></paramdef>
       </funcprototype>
-
-      <funcprototype>
-        <funcdef>sd_bus *<function>sd_bus_slot_get_bus</function></funcdef>
-        <paramdef>sd_bus_slot *<parameter>m</parameter></paramdef>
-      </funcprototype>
     </funcsynopsis>
   </refsynopsisdiv>
 
@@ -72,11 +66,7 @@
     execute no operation if the passed in bus object address is
     <constant>NULL</constant>. <function>sd_bus_slot_unrefp()</function> will first dereference
     its argument, which must not be <constant>NULL</constant>, and will execute no operation if
-    <emphasis>that</emphasis> is <constant>NULL</constant>.
+    <emphasis>that</emphasis> is <constant>NULL</constant>.</para>
-    </para>
-
-    <para><function>sd_bus_slot_get_bus()</function> returns the bus object that message
-    <parameter>slot</parameter> is attached to.</para>
   </refsect1>
 
   <refsect1>
@@ -85,8 +75,6 @@
     <para><function>sd_bus_slot_ref()</function> always returns the argument.</para>
 
     <para><function>sd_bus_slot_unref()</function> always returns <constant>NULL</constant>.</para>
-
-    <para><function>sd_bus_slot_get_bus()</function> always returns the bus object.</para>
   </refsect1>
 
   <xi:include href="libsystemd-pkgconfig.xml" />