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<a name="gio-Owning-Bus-Names"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="gio-Owning-Bus-Names.top_of_page"></a>Owning Bus Names</span></h2>
<p>Owning Bus Names — Simple API for owning bus names</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gio-Owning-Bus-Names.html#GBusAcquiredCallback" title="GBusAcquiredCallback ()">*GBusAcquiredCallback</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gio-Owning-Bus-Names.html#GBusNameAcquiredCallback" title="GBusNameAcquiredCallback ()">*GBusNameAcquiredCallback</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gio-Owning-Bus-Names.html#GBusNameLostCallback" title="GBusNameLostCallback ()">*GBusNameLostCallback</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()">g_bus_own_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-on-connection" title="g_bus_own_name_on_connection ()">g_bus_own_name_on_connection</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()">g_bus_unown_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-with-closures" title="g_bus_own_name_with_closures ()">g_bus_own_name_with_closures</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-on-connection-with-closures" title="g_bus_own_name_on_connection_with_closures ()">g_bus_own_name_on_connection_with_closures</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags">GBusNameOwnerFlags</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gio/gio.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.description"></a><h2>Description</h2>
<p>Convenience API for owning bus names.</p>
<p>A simple example for owning a name can be found in
<a class="ulink" href="https://git.gnome.org/browse/glib/tree/gio/tests/gdbus-example-own-name.c" target="_top">gdbus-example-own-name.c</a></p>
</div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GBusAcquiredCallback"></a><h3>GBusAcquiredCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GBusAcquiredCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Invoked when a connection to a message bus has been obtained.</p>
<div class="refsect3">
<a name="GBusAcquiredCallback.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>connection</p></td>
<td class="parameter_description"><p>The <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> to a message bus.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name that is requested to be owned.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data passed to <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GBusNameAcquiredCallback"></a><h3>GBusNameAcquiredCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GBusNameAcquiredCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Invoked when the name is acquired.</p>
<div class="refsect3">
<a name="GBusNameAcquiredCallback.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>connection</p></td>
<td class="parameter_description"><p>The <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> on which to acquired the name.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name being owned.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data passed to <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a> or <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-on-connection" title="g_bus_own_name_on_connection ()"><code class="function">g_bus_own_name_on_connection()</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GBusNameLostCallback"></a><h3>GBusNameLostCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GBusNameLostCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Invoked when the name is lost or <em class="parameter"><code>connection</code></em>
has been closed.</p>
<div class="refsect3">
<a name="GBusNameLostCallback.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>connection</p></td>
<td class="parameter_description"><p>The <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> on which to acquire the name or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if
the connection was disconnected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name being owned.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data passed to <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a> or <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-on-connection" title="g_bus_own_name_on_connection ()"><code class="function">g_bus_own_name_on_connection()</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-bus-own-name"></a><h3>g_bus_own_name ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_bus_own_name (<em class="parameter"><code><a class="link" href="GDBusConnection.html#GBusType" title="enum GBusType"><span class="type">GBusType</span></a> bus_type</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> flags</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusAcquiredCallback" title="GBusAcquiredCallback ()"><span class="type">GBusAcquiredCallback</span></a> bus_acquired_handler</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameAcquiredCallback" title="GBusNameAcquiredCallback ()"><span class="type">GBusNameAcquiredCallback</span></a> name_acquired_handler</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameLostCallback" title="GBusNameLostCallback ()"><span class="type">GBusNameLostCallback</span></a> name_lost_handler</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="../glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> user_data_free_func</code></em>);</pre>
<p>Starts acquiring <em class="parameter"><code>name</code></em>
on the bus specified by <em class="parameter"><code>bus_type</code></em>
and calls
<em class="parameter"><code>name_acquired_handler</code></em>
and <em class="parameter"><code>name_lost_handler</code></em>
when the name is
acquired respectively lost. Callbacks will be invoked in the
<a href="../glib-The-Main-Event-Loop.html#g-main-context-push-thread-default">thread-default main context</a>
of the thread you are calling this function from.</p>
<p>You are guaranteed that one of the <em class="parameter"><code>name_acquired_handler</code></em>
and <em class="parameter"><code>name_lost_handler</code></em>
callbacks will be invoked after calling this function - there are three
possible cases:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p><em class="parameter"><code>name_lost_handler</code></em>
with a <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> connection (if a connection to the bus
can't be made).</p></li>
<li class="listitem"><p><em class="parameter"><code>bus_acquired_handler</code></em>
then <em class="parameter"><code>name_lost_handler</code></em>
(if the name can't be
obtained)</p></li>
<li class="listitem"><p><em class="parameter"><code>bus_acquired_handler</code></em>
then <em class="parameter"><code>name_acquired_handler</code></em>
(if the name was
obtained).</p></li>
</ul></div>
<p>When you are done owning the name, just call <a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a>
with the owner id this function returns.</p>
<p>If the name is acquired or lost (for example another application
could acquire the name if you allow replacement or the application
currently owning the name exits), the handlers are also invoked.
If the <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> that is used for attempting to own the name
closes, then <em class="parameter"><code>name_lost_handler</code></em>
is invoked since it is no longer
possible for other processes to access the process.</p>
<p>You cannot use <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a> several times for the same name (unless
interleaved with calls to <a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a>) - only the first call
will work.</p>
<p>Another guarantee is that invocations of <em class="parameter"><code>name_acquired_handler</code></em>
and <em class="parameter"><code>name_lost_handler</code></em>
are guaranteed to alternate; that
is, if <em class="parameter"><code>name_acquired_handler</code></em>
is invoked then you are
guaranteed that the next time one of the handlers is invoked, it
will be <em class="parameter"><code>name_lost_handler</code></em>
. The reverse is also true.</p>
<p>If you plan on exporting objects (using e.g.
<a class="link" href="GDBusConnection.html#g-dbus-connection-register-object" title="g_dbus_connection_register_object ()"><code class="function">g_dbus_connection_register_object()</code></a>), note that it is generally too late
to export the objects in <em class="parameter"><code>name_acquired_handler</code></em>
. Instead, you can do this
in <em class="parameter"><code>bus_acquired_handler</code></em>
since you are guaranteed that this will run
before <em class="parameter"><code>name</code></em>
is requested from the bus.</p>
<p>This behavior makes it very simple to write applications that wants
to own names and export objects.
Simply register objects to be exported in <em class="parameter"><code>bus_acquired_handler</code></em>
and
unregister the objects (if any) in <em class="parameter"><code>name_lost_handler</code></em>
.</p>
<div class="refsect3">
<a name="g-bus-own-name.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bus_type</p></td>
<td class="parameter_description"><p>the type of bus to own a name on</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>the well-known name to own</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>a set of flags from the <a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> enumeration</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bus_acquired_handler</p></td>
<td class="parameter_description"><p> handler to invoke when connected to the bus of type <em class="parameter"><code>bus_type</code></em>
or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_acquired_handler</p></td>
<td class="parameter_description"><p> handler to invoke when <em class="parameter"><code>name</code></em>
is acquired or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_lost_handler</p></td>
<td class="parameter_description"><p> handler to invoke when <em class="parameter"><code>name</code></em>
is lost or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data to pass to handlers</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data_free_func</p></td>
<td class="parameter_description"><p> function for freeing <em class="parameter"><code>user_data</code></em>
or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-bus-own-name.returns"></a><h4>Returns</h4>
<p> an identifier (never 0) that an be used with
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a> to stop owning the name.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-bus-own-name-on-connection"></a><h3>g_bus_own_name_on_connection ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_bus_own_name_on_connection (<em class="parameter"><code><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> flags</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameAcquiredCallback" title="GBusNameAcquiredCallback ()"><span class="type">GBusNameAcquiredCallback</span></a> name_acquired_handler</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameLostCallback" title="GBusNameLostCallback ()"><span class="type">GBusNameLostCallback</span></a> name_lost_handler</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="../glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> user_data_free_func</code></em>);</pre>
<p>Like <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a> but takes a <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> instead of a
<a class="link" href="GDBusConnection.html#GBusType" title="enum GBusType"><span class="type">GBusType</span></a>.</p>
<div class="refsect3">
<a name="g-bus-own-name-on-connection.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>connection</p></td>
<td class="parameter_description"><p>a <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>the well-known name to own</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>a set of flags from the <a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> enumeration</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name_acquired_handler</p></td>
<td class="parameter_description"><p> handler to invoke when <em class="parameter"><code>name</code></em>
is acquired or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_lost_handler</p></td>
<td class="parameter_description"><p> handler to invoke when <em class="parameter"><code>name</code></em>
is lost or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data to pass to handlers</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data_free_func</p></td>
<td class="parameter_description"><p> function for freeing <em class="parameter"><code>user_data</code></em>
or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-bus-own-name-on-connection.returns"></a><h4>Returns</h4>
<p> an identifier (never 0) that an be used with
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a> to stop owning the name</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-bus-unown-name"></a><h3>g_bus_unown_name ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_bus_unown_name (<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> owner_id</code></em>);</pre>
<p>Stops owning a name.</p>
<div class="refsect3">
<a name="g-bus-unown-name.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>owner_id</p></td>
<td class="parameter_description"><p>an identifier obtained from <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-bus-own-name-with-closures"></a><h3>g_bus_own_name_with_closures ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_bus_own_name_with_closures (<em class="parameter"><code><a class="link" href="GDBusConnection.html#GBusType" title="enum GBusType"><span class="type">GBusType</span></a> bus_type</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> flags</code></em>,
<em class="parameter"><code><a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> *bus_acquired_closure</code></em>,
<em class="parameter"><code><a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> *name_acquired_closure</code></em>,
<em class="parameter"><code><a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> *name_lost_closure</code></em>);</pre>
<p>Version of <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a> using closures instead of callbacks for
easier binding in other languages.</p>
<p><span class="annotation">[<acronym title="Rename the original symbol's name to SYMBOL."><span class="acronym">rename-to</span></acronym> g_bus_own_name]</span></p>
<div class="refsect3">
<a name="g-bus-own-name-with-closures.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bus_type</p></td>
<td class="parameter_description"><p>the type of bus to own a name on</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>the well-known name to own</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>a set of flags from the <a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> enumeration</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bus_acquired_closure</p></td>
<td class="parameter_description"><p> <a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> to invoke when connected to
the bus of type <em class="parameter"><code>bus_type</code></em>
or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_acquired_closure</p></td>
<td class="parameter_description"><p> <a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> to invoke when <em class="parameter"><code>name</code></em>
is
acquired or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_lost_closure</p></td>
<td class="parameter_description"><p> <a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> to invoke when <em class="parameter"><code>name</code></em>
is lost or
<a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-bus-own-name-with-closures.returns"></a><h4>Returns</h4>
<p> an identifier (never 0) that an be used with
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a> to stop owning the name.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-bus-own-name-on-connection-with-closures"></a><h3>g_bus_own_name_on_connection_with_closures ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_bus_own_name_on_connection_with_closures
(<em class="parameter"><code><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> flags</code></em>,
<em class="parameter"><code><a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> *name_acquired_closure</code></em>,
<em class="parameter"><code><a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> *name_lost_closure</code></em>);</pre>
<p>Version of <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name-on-connection" title="g_bus_own_name_on_connection ()"><code class="function">g_bus_own_name_on_connection()</code></a> using closures instead of
callbacks for easier binding in other languages.</p>
<p><span class="annotation">[<acronym title="Rename the original symbol's name to SYMBOL."><span class="acronym">rename-to</span></acronym> g_bus_own_name_on_connection]</span></p>
<div class="refsect3">
<a name="g-bus-own-name-on-connection-with-closures.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>connection</p></td>
<td class="parameter_description"><p>a <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>the well-known name to own</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>a set of flags from the <a class="link" href="gio-Owning-Bus-Names.html#GBusNameOwnerFlags" title="enum GBusNameOwnerFlags"><span class="type">GBusNameOwnerFlags</span></a> enumeration</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name_acquired_closure</p></td>
<td class="parameter_description"><p> <a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> to invoke when <em class="parameter"><code>name</code></em>
is
acquired or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>name_lost_closure</p></td>
<td class="parameter_description"><p> <a href="../gobject-Closures.html#GClosure"><span class="type">GClosure</span></a> to invoke when <em class="parameter"><code>name</code></em>
is lost
or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-bus-own-name-on-connection-with-closures.returns"></a><h4>Returns</h4>
<p> an identifier (never 0) that an be used with
<a class="link" href="gio-Owning-Bus-Names.html#g-bus-unown-name" title="g_bus_unown_name ()"><code class="function">g_bus_unown_name()</code></a> to stop owning the name.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
</div>
<div class="refsect1">
<a name="gio-Owning-Bus-Names.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GBusNameOwnerFlags"></a><h3>enum GBusNameOwnerFlags</h3>
<p>Flags used in <a class="link" href="gio-Owning-Bus-Names.html#g-bus-own-name" title="g_bus_own_name ()"><code class="function">g_bus_own_name()</code></a>.</p>
<div class="refsect3">
<a name="GBusNameOwnerFlags.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="G-BUS-NAME-OWNER-FLAGS-NONE:CAPS"></a>G_BUS_NAME_OWNER_FLAGS_NONE</p></td>
<td class="enum_member_description">
<p>No flags set.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="G-BUS-NAME-OWNER-FLAGS-ALLOW-REPLACEMENT:CAPS"></a>G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT</p></td>
<td class="enum_member_description">
<p>Allow another message bus connection to claim the name.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="G-BUS-NAME-OWNER-FLAGS-REPLACE:CAPS"></a>G_BUS_NAME_OWNER_FLAGS_REPLACE</p></td>
<td class="enum_member_description">
<p>If another message bus connection owns the name and have
specified <a class="link" href="gio-Owning-Bus-Names.html#G-BUS-NAME-OWNER-FLAGS-ALLOW-REPLACEMENT:CAPS"><span class="type">G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT</span></a>, then take the name from the other connection.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
</div>
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