docs/reference/gio/html/GDBusMethodInvocation.html

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  24 <a href="#GDBusMethodInvocation.synopsis" class="shortcut">Top</a>
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  26                   <a href="#GDBusMethodInvocation.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#GDBusMethodInvocation.object-hierarchy" class="shortcut">Object Hierarchy</a>
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  31 <div class="refentry">
  32 <a name="GDBusMethodInvocation"></a><div class="titlepage"></div>
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  34 <td valign="top">
  35 <h2><span class="refentrytitle"><a name="GDBusMethodInvocation.top_of_page"></a>GDBusMethodInvocation</span></h2>
  36 <p>GDBusMethodInvocation — Object for handling remote calls</p>
  37 </td>
  38 <td valign="top" align="right"></td>
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  40 <div class="refsynopsisdiv">
  41 <a name="GDBusMethodInvocation.synopsis"></a><h2>Synopsis</h2>
  42 <pre class="synopsis">
  43 #include &lt;gio/gio.h&gt;
  44
  45                     <a class="link" href="GDBusMethodInvocation.html#GDBusMethodInvocation-struct" title="GDBusMethodInvocation">GDBusMethodInvocation</a>;
  46 const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-sender" title="g_dbus_method_invocation_get_sender ()">g_dbus_method_invocation_get_sender</a> (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  47 const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-object-path" title="g_dbus_method_invocation_get_object_path ()">g_dbus_method_invocation_get_object_path</a>
  48                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  49 const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-interface-name" title="g_dbus_method_invocation_get_interface_name ()">g_dbus_method_invocation_get_interface_name</a>
  50                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  51 const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-method-name" title="g_dbus_method_invocation_get_method_name ()">g_dbus_method_invocation_get_method_name</a>
  52                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  53 const <a class="link" href="gio-D-Bus-Introspection-Data.html#GDBusMethodInfo"><span class="returnvalue">GDBusMethodInfo</span></a> * <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-method-info" title="g_dbus_method_invocation_get_method_info ()">g_dbus_method_invocation_get_method_info</a>
  54                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  55 <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="returnvalue">GDBusConnection</span></a> *   <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-connection" title="g_dbus_method_invocation_get_connection ()">g_dbus_method_invocation_get_connection</a>
  56                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  57 <a class="link" href="GDBusMessage.html" title="GDBusMessage"><span class="returnvalue">GDBusMessage</span></a> *      <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-message" title="g_dbus_method_invocation_get_message ()">g_dbus_method_invocation_get_message</a>
  58                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  59 <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *          <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-parameters" title="g_dbus_method_invocation_get_parameters ()">g_dbus_method_invocation_get_parameters</a>
  60                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  61 <a href="./../glib/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-get-user-data" title="g_dbus_method_invocation_get_user_data ()">g_dbus_method_invocation_get_user_data</a>
  62                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);
  63 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-value" title="g_dbus_method_invocation_return_value ()">g_dbus_method_invocation_return_value</a>
  64                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  65                                                          <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameters</code></em>);
  66 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error" title="g_dbus_method_invocation_return_error ()">g_dbus_method_invocation_return_error</a>
  67                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  68                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
  69                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
  70                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
  71                                                          <em class="parameter"><code>...</code></em>);
  72 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error-valist" title="g_dbus_method_invocation_return_error_valist ()">g_dbus_method_invocation_return_error_valist</a>
  73                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  74                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
  75                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
  76                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
  77                                                          <em class="parameter"><code><span class="type">va_list</span> var_args</code></em>);
  78 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error-literal" title="g_dbus_method_invocation_return_error_literal ()">g_dbus_method_invocation_return_error_literal</a>
  79                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  80                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
  81                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
  82                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *message</code></em>);
  83 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-gerror" title="g_dbus_method_invocation_return_gerror ()">g_dbus_method_invocation_return_gerror</a>
  84                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  85                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>);
  86 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-dbus-error" title="g_dbus_method_invocation_return_dbus_error ()">g_dbus_method_invocation_return_dbus_error</a>
  87                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  88                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *error_name</code></em>,
  89                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *error_message</code></em>);
  90 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-take-error" title="g_dbus_method_invocation_take_error ()">g_dbus_method_invocation_take_error</a> (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  91                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>);
  92 <span class="returnvalue">void</span>                <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-value-with-unix-fd-list" title="g_dbus_method_invocation_return_value_with_unix_fd_list ()">g_dbus_method_invocation_return_value_with_unix_fd_list</a>
  93                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
  94                                                          <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameters</code></em>,
  95                                                          <em class="parameter"><code><a class="link" href="GUnixFDList.html" title="GUnixFDList"><span class="type">GUnixFDList</span></a> *fd_list</code></em>);
  96 </pre>
  97 </div>
  98 <div class="refsect1">
  99 <a name="GDBusMethodInvocation.object-hierarchy"></a><h2>Object Hierarchy</h2>
 100 <pre class="synopsis">
 101   <a href="./../gobject/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
 102    +----GDBusMethodInvocation
 103 </pre>
 104 </div>
 105 <div class="refsect1">
 106 <a name="GDBusMethodInvocation.description"></a><h2>Description</h2>
 107 <p>
 108 Instances of the <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> class are used when
 109 handling D-Bus method calls. It provides a way to asynchronously
 110 return results and errors.
 111 </p>
 112 <p>
 113 The normal way to obtain a <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> object is to receive
 114 it as an argument to the <code class="function">handle_method_call()</code> function in a
 115 <a class="link" href="GDBusConnection.html#GDBusInterfaceVTable" title="GDBusInterfaceVTable"><span class="type">GDBusInterfaceVTable</span></a> that was passed to <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>.
 116 </p>
 117 </div>
 118 <div class="refsect1">
 119 <a name="GDBusMethodInvocation.details"></a><h2>Details</h2>
 120 <div class="refsect2">
 121 <a name="GDBusMethodInvocation-struct"></a><h3>GDBusMethodInvocation</h3>
 122 <pre class="programlisting">typedef struct _GDBusMethodInvocation GDBusMethodInvocation;</pre>
 123 <p>
 124 The <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> structure contains only private data and
 125 should only be accessed using the provided API.
 126 </p>
 127 <p class="since">Since 2.26</p>
 128 </div>
 129 <hr>
 130 <div class="refsect2">
 131 <a name="g-dbus-method-invocation-get-sender"></a><h3>g_dbus_method_invocation_get_sender ()</h3>
 132 <pre class="programlisting">const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       g_dbus_method_invocation_get_sender (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 133 <p>
 134 Gets the bus name that invoked the method.
 135 </p>
 136 <div class="variablelist"><table border="0">
 137 <col align="left" valign="top">
 138 <tbody>
 139 <tr>
 140 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 141 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 142 </tr>
 143 <tr>
 144 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 145 <td>A string. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>.</td>
 146 </tr>
 147 </tbody>
 148 </table></div>
 149 <p class="since">Since 2.26</p>
 150 </div>
 151 <hr>
 152 <div class="refsect2">
 153 <a name="g-dbus-method-invocation-get-object-path"></a><h3>g_dbus_method_invocation_get_object_path ()</h3>
 154 <pre class="programlisting">const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       g_dbus_method_invocation_get_object_path
 155                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 156 <p>
 157 Gets the object path the method was invoked on.
 158 </p>
 159 <div class="variablelist"><table border="0">
 160 <col align="left" valign="top">
 161 <tbody>
 162 <tr>
 163 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 164 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 165 </tr>
 166 <tr>
 167 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 168 <td>A string. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>.</td>
 169 </tr>
 170 </tbody>
 171 </table></div>
 172 <p class="since">Since 2.26</p>
 173 </div>
 174 <hr>
 175 <div class="refsect2">
 176 <a name="g-dbus-method-invocation-get-interface-name"></a><h3>g_dbus_method_invocation_get_interface_name ()</h3>
 177 <pre class="programlisting">const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       g_dbus_method_invocation_get_interface_name
 178                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 179 <p>
 180 Gets the name of the D-Bus interface the method was invoked on.
 181 </p>
 182 <div class="variablelist"><table border="0">
 183 <col align="left" valign="top">
 184 <tbody>
 185 <tr>
 186 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 187 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 188 </tr>
 189 <tr>
 190 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 191 <td>A string. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>.</td>
 192 </tr>
 193 </tbody>
 194 </table></div>
 195 <p class="since">Since 2.26</p>
 196 </div>
 197 <hr>
 198 <div class="refsect2">
 199 <a name="g-dbus-method-invocation-get-method-name"></a><h3>g_dbus_method_invocation_get_method_name ()</h3>
 200 <pre class="programlisting">const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *       g_dbus_method_invocation_get_method_name
 201                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 202 <p>
 203 Gets the name of the method that was invoked.
 204 </p>
 205 <div class="variablelist"><table border="0">
 206 <col align="left" valign="top">
 207 <tbody>
 208 <tr>
 209 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 210 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 211 </tr>
 212 <tr>
 213 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 214 <td>A string. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>.</td>
 215 </tr>
 216 </tbody>
 217 </table></div>
 218 <p class="since">Since 2.26</p>
 219 </div>
 220 <hr>
 221 <div class="refsect2">
 222 <a name="g-dbus-method-invocation-get-method-info"></a><h3>g_dbus_method_invocation_get_method_info ()</h3>
 223 <pre class="programlisting">const <a class="link" href="gio-D-Bus-Introspection-Data.html#GDBusMethodInfo"><span class="returnvalue">GDBusMethodInfo</span></a> * g_dbus_method_invocation_get_method_info
 224                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 225 <p>
 226 Gets information about the method call, if any.
 227 </p>
 228 <div class="variablelist"><table border="0">
 229 <col align="left" valign="top">
 230 <tbody>
 231 <tr>
 232 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 233 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 234 </tr>
 235 <tr>
 236 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 237 <td>A <a class="link" href="gio-D-Bus-Introspection-Data.html#GDBusMethodInfo"><span class="type">GDBusMethodInfo</span></a> or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>.</td>
 238 </tr>
 239 </tbody>
 240 </table></div>
 241 <p class="since">Since 2.26</p>
 242 </div>
 243 <hr>
 244 <div class="refsect2">
 245 <a name="g-dbus-method-invocation-get-connection"></a><h3>g_dbus_method_invocation_get_connection ()</h3>
 246 <pre class="programlisting"><a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="returnvalue">GDBusConnection</span></a> *   g_dbus_method_invocation_get_connection
 247                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 248 <p>
 249 Gets the <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> the method was invoked on.
 250 </p>
 251 <div class="variablelist"><table border="0">
 252 <col align="left" valign="top">
 253 <tbody>
 254 <tr>
 255 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 256 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 257 </tr>
 258 <tr>
 259 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 260 <td>A <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a>. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
 261 </td>
 262 </tr>
 263 </tbody>
 264 </table></div>
 265 <p class="since">Since 2.26</p>
 266 </div>
 267 <hr>
 268 <div class="refsect2">
 269 <a name="g-dbus-method-invocation-get-message"></a><h3>g_dbus_method_invocation_get_message ()</h3>
 270 <pre class="programlisting"><a class="link" href="GDBusMessage.html" title="GDBusMessage"><span class="returnvalue">GDBusMessage</span></a> *      g_dbus_method_invocation_get_message
 271                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 272 <p>
 273 Gets the <a class="link" href="GDBusMessage.html" title="GDBusMessage"><span class="type">GDBusMessage</span></a> for the method invocation. This is useful if
 274 you need to use low-level protocol features, such as UNIX file
 275 descriptor passing, that cannot be properly expressed in the
 276 <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> API.
 277 </p>
 278 <p>
 279 See <a class="xref" href="GDBusConnection.html#gdbus-server" title="Example 2. D-Bus server example">Example 2, “D-Bus server example”</a> and <a class="xref" href="GDBusConnection.html#gdbus-unix-fd-client" title="Example 4. D-Bus UNIX File Descriptor example">Example 4, “D-Bus UNIX File Descriptor example”</a> for an example of how to use this
 280 low-level API to send and receive UNIX file descriptors.
 281 </p>
 282 <div class="variablelist"><table border="0">
 283 <col align="left" valign="top">
 284 <tbody>
 285 <tr>
 286 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 287 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 288 </tr>
 289 <tr>
 290 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 291 <td>
 292 <a class="link" href="GDBusMessage.html" title="GDBusMessage"><span class="type">GDBusMessage</span></a>. Do not free, it is owned by <em class="parameter"><code>invocation</code></em>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
 293 </td>
 294 </tr>
 295 </tbody>
 296 </table></div>
 297 <p class="since">Since 2.26</p>
 298 </div>
 299 <hr>
 300 <div class="refsect2">
 301 <a name="g-dbus-method-invocation-get-parameters"></a><h3>g_dbus_method_invocation_get_parameters ()</h3>
 302 <pre class="programlisting"><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *          g_dbus_method_invocation_get_parameters
 303                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 304 <p>
 305 Gets the parameters of the method invocation. If there are no input
 306 parameters then this will return a GVariant with 0 children rather than NULL.
 307 </p>
 308 <div class="variablelist"><table border="0">
 309 <col align="left" valign="top">
 310 <tbody>
 311 <tr>
 312 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 313 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 314 </tr>
 315 <tr>
 316 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 317 <td>A <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> tuple. Do not unref this because it is owned by <em class="parameter"><code>invocation</code></em>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
 318 </td>
 319 </tr>
 320 </tbody>
 321 </table></div>
 322 <p class="since">Since 2.26</p>
 323 </div>
 324 <hr>
 325 <div class="refsect2">
 326 <a name="g-dbus-method-invocation-get-user-data"></a><h3>g_dbus_method_invocation_get_user_data ()</h3>
 327 <pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            g_dbus_method_invocation_get_user_data
 328                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>);</pre>
 329 <p>
 330 Gets the <em class="parameter"><code>user_data</code></em> <a href="./../glib/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> passed to <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>.
 331 </p>
 332 <div class="variablelist"><table border="0">
 333 <col align="left" valign="top">
 334 <tbody>
 335 <tr>
 336 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 337 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>.</td>
 338 </tr>
 339 <tr>
 340 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 341 <td>A <a href="./../glib/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>.</td>
 342 </tr>
 343 </tbody>
 344 </table></div>
 345 <p class="since">Since 2.26</p>
 346 </div>
 347 <hr>
 348 <div class="refsect2">
 349 <a name="g-dbus-method-invocation-return-value"></a><h3>g_dbus_method_invocation_return_value ()</h3>
 350 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_value
 351                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 352                                                          <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameters</code></em>);</pre>
 353 <p>
 354 Finishes handling a D-Bus method call by returning <em class="parameter"><code>parameters</code></em>.
 355 If the <em class="parameter"><code>parameters</code></em> GVariant is floating, it is consumed.
 356 </p>
 357 <p>
 358 It is an error if <em class="parameter"><code>parameters</code></em> is not of the right format.
 359 </p>
 360 <p>
 361 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 362 </p>
 363 <div class="variablelist"><table border="0">
 364 <col align="left" valign="top">
 365 <tbody>
 366 <tr>
 367 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 368 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 369 </td>
 370 </tr>
 371 <tr>
 372 <td><p><span class="term"><em class="parameter"><code>parameters</code></em> :</span></p></td>
 373 <td>A <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> tuple with out parameters for the method or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if not passing any parameters. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 374 </td>
 375 </tr>
 376 </tbody>
 377 </table></div>
 378 <p class="since">Since 2.26</p>
 379 </div>
 380 <hr>
 381 <div class="refsect2">
 382 <a name="g-dbus-method-invocation-return-error"></a><h3>g_dbus_method_invocation_return_error ()</h3>
 383 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_error
 384                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 385                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
 386                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
 387                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
 388                                                          <em class="parameter"><code>...</code></em>);</pre>
 389 <p>
 390 Finishes handling a D-Bus method call by returning an error.
 391 </p>
 392 <p>
 393 See <a class="link" href="gio-GDBusError.html#g-dbus-error-encode-gerror" title="g_dbus_error_encode_gerror ()"><code class="function">g_dbus_error_encode_gerror()</code></a> for details about what error name
 394 will be returned on the wire. In a nutshell, if the given error is
 395 registered using <a class="link" href="gio-GDBusError.html#g-dbus-error-register-error" title="g_dbus_error_register_error ()"><code class="function">g_dbus_error_register_error()</code></a> the name given
 396 during registration is used. Otherwise, a name of the form
 397 <code class="literal">org.gtk.GDBus.UnmappedGError.Quark...</code> is
 398 used. This provides transparent mapping of <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> between
 399 applications using GDBus.
 400 </p>
 401 <p>
 402 If you are writing an application intended to be portable,
 403 <span class="emphasis"><em>always</em></span> register errors with <a class="link" href="gio-GDBusError.html#g-dbus-error-register-error" title="g_dbus_error_register_error ()"><code class="function">g_dbus_error_register_error()</code></a>
 404 or use <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-dbus-error" title="g_dbus_method_invocation_return_dbus_error ()"><code class="function">g_dbus_method_invocation_return_dbus_error()</code></a>.
 405 </p>
 406 <p>
 407 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 408 </p>
 409 <div class="variablelist"><table border="0">
 410 <col align="left" valign="top">
 411 <tbody>
 412 <tr>
 413 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 414 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 415 </td>
 416 </tr>
 417 <tr>
 418 <td><p><span class="term"><em class="parameter"><code>domain</code></em> :</span></p></td>
 419 <td>A <a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> for the <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> error domain.</td>
 420 </tr>
 421 <tr>
 422 <td><p><span class="term"><em class="parameter"><code>code</code></em> :</span></p></td>
 423 <td>The error code.</td>
 424 </tr>
 425 <tr>
 426 <td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
 427 <td>printf()-style format.</td>
 428 </tr>
 429 <tr>
 430 <td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
 431 <td>Parameters for <em class="parameter"><code>format</code></em>.</td>
 432 </tr>
 433 </tbody>
 434 </table></div>
 435 <p class="since">Since 2.26</p>
 436 </div>
 437 <hr>
 438 <div class="refsect2">
 439 <a name="g-dbus-method-invocation-return-error-valist"></a><h3>g_dbus_method_invocation_return_error_valist ()</h3>
 440 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_error_valist
 441                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 442                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
 443                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
 444                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
 445                                                          <em class="parameter"><code><span class="type">va_list</span> var_args</code></em>);</pre>
 446 <p>
 447 Like <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error" title="g_dbus_method_invocation_return_error ()"><code class="function">g_dbus_method_invocation_return_error()</code></a> but intended for
 448 language bindings.
 449 </p>
 450 <p>
 451 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 452 </p>
 453 <div class="variablelist"><table border="0">
 454 <col align="left" valign="top">
 455 <tbody>
 456 <tr>
 457 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 458 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 459 </td>
 460 </tr>
 461 <tr>
 462 <td><p><span class="term"><em class="parameter"><code>domain</code></em> :</span></p></td>
 463 <td>A <a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> for the <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> error domain.</td>
 464 </tr>
 465 <tr>
 466 <td><p><span class="term"><em class="parameter"><code>code</code></em> :</span></p></td>
 467 <td>The error code.</td>
 468 </tr>
 469 <tr>
 470 <td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
 471 <td>printf()-style format.</td>
 472 </tr>
 473 <tr>
 474 <td><p><span class="term"><em class="parameter"><code>var_args</code></em> :</span></p></td>
 475 <td>
 476 <span class="type">va_list</span> of parameters for <em class="parameter"><code>format</code></em>.</td>
 477 </tr>
 478 </tbody>
 479 </table></div>
 480 <p class="since">Since 2.26</p>
 481 </div>
 482 <hr>
 483 <div class="refsect2">
 484 <a name="g-dbus-method-invocation-return-error-literal"></a><h3>g_dbus_method_invocation_return_error_literal ()</h3>
 485 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_error_literal
 486                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 487                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> domain</code></em>,
 488                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> code</code></em>,
 489                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *message</code></em>);</pre>
 490 <p>
 491 Like <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error" title="g_dbus_method_invocation_return_error ()"><code class="function">g_dbus_method_invocation_return_error()</code></a> but without <code class="function">printf()</code>-style formatting.
 492 </p>
 493 <p>
 494 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 495 </p>
 496 <div class="variablelist"><table border="0">
 497 <col align="left" valign="top">
 498 <tbody>
 499 <tr>
 500 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 501 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 502 </td>
 503 </tr>
 504 <tr>
 505 <td><p><span class="term"><em class="parameter"><code>domain</code></em> :</span></p></td>
 506 <td>A <a href="./../glib/glib/glib-Quarks.html#GQuark"><span class="type">GQuark</span></a> for the <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> error domain.</td>
 507 </tr>
 508 <tr>
 509 <td><p><span class="term"><em class="parameter"><code>code</code></em> :</span></p></td>
 510 <td>The error code.</td>
 511 </tr>
 512 <tr>
 513 <td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td>
 514 <td>The error message.</td>
 515 </tr>
 516 </tbody>
 517 </table></div>
 518 <p class="since">Since 2.26</p>
 519 </div>
 520 <hr>
 521 <div class="refsect2">
 522 <a name="g-dbus-method-invocation-return-gerror"></a><h3>g_dbus_method_invocation_return_gerror ()</h3>
 523 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_gerror
 524                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 525                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>);</pre>
 526 <p>
 527 Like <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-error" title="g_dbus_method_invocation_return_error ()"><code class="function">g_dbus_method_invocation_return_error()</code></a> but takes a <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
 528 instead of the error domain, error code and message.
 529 </p>
 530 <p>
 531 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 532 </p>
 533 <div class="variablelist"><table border="0">
 534 <col align="left" valign="top">
 535 <tbody>
 536 <tr>
 537 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 538 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 539 </td>
 540 </tr>
 541 <tr>
 542 <td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
 543 <td>A <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>.</td>
 544 </tr>
 545 </tbody>
 546 </table></div>
 547 <p class="since">Since 2.26</p>
 548 </div>
 549 <hr>
 550 <div class="refsect2">
 551 <a name="g-dbus-method-invocation-return-dbus-error"></a><h3>g_dbus_method_invocation_return_dbus_error ()</h3>
 552 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_dbus_error
 553                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 554                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *error_name</code></em>,
 555                                                          <em class="parameter"><code>const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *error_message</code></em>);</pre>
 556 <p>
 557 Finishes handling a D-Bus method call by returning an error.
 558 </p>
 559 <p>
 560 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 561 </p>
 562 <div class="variablelist"><table border="0">
 563 <col align="left" valign="top">
 564 <tbody>
 565 <tr>
 566 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 567 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 568 </td>
 569 </tr>
 570 <tr>
 571 <td><p><span class="term"><em class="parameter"><code>error_name</code></em> :</span></p></td>
 572 <td>A valid D-Bus error name.</td>
 573 </tr>
 574 <tr>
 575 <td><p><span class="term"><em class="parameter"><code>error_message</code></em> :</span></p></td>
 576 <td>A valid D-Bus error message.</td>
 577 </tr>
 578 </tbody>
 579 </table></div>
 580 <p class="since">Since 2.26</p>
 581 </div>
 582 <hr>
 583 <div class="refsect2">
 584 <a name="g-dbus-method-invocation-take-error"></a><h3>g_dbus_method_invocation_take_error ()</h3>
 585 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_take_error (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 586                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>);</pre>
 587 <p>
 588 Like <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-gerror" title="g_dbus_method_invocation_return_gerror ()"><code class="function">g_dbus_method_invocation_return_gerror()</code></a> but takes ownership
 589 of <em class="parameter"><code>error</code></em> so the caller does not need to free it.
 590 </p>
 591 <p>
 592 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 593 </p>
 594 <div class="variablelist"><table border="0">
 595 <col align="left" valign="top">
 596 <tbody>
 597 <tr>
 598 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 599 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 600 </td>
 601 </tr>
 602 <tr>
 603 <td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
 604 <td>A <a href="./../glib/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 605 </td>
 606 </tr>
 607 </tbody>
 608 </table></div>
 609 <p class="since">Since 2.30</p>
 610 </div>
 611 <hr>
 612 <div class="refsect2">
 613 <a name="g-dbus-method-invocation-return-value-with-unix-fd-list"></a><h3>g_dbus_method_invocation_return_value_with_unix_fd_list ()</h3>
 614 <pre class="programlisting"><span class="returnvalue">void</span>                g_dbus_method_invocation_return_value_with_unix_fd_list
 615                                                         (<em class="parameter"><code><a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a> *invocation</code></em>,
 616                                                          <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameters</code></em>,
 617                                                          <em class="parameter"><code><a class="link" href="GUnixFDList.html" title="GUnixFDList"><span class="type">GUnixFDList</span></a> *fd_list</code></em>);</pre>
 618 <p>
 619 Like <a class="link" href="GDBusMethodInvocation.html#g-dbus-method-invocation-return-value" title="g_dbus_method_invocation_return_value ()"><code class="function">g_dbus_method_invocation_return_value()</code></a> but also takes a <a class="link" href="GUnixFDList.html" title="GUnixFDList"><span class="type">GUnixFDList</span></a>.
 620 </p>
 621 <p>
 622 This method is only available on UNIX.
 623 </p>
 624 <p>
 625 This method will free <em class="parameter"><code>invocation</code></em>, you cannot use it afterwards.
 626 </p>
 627 <div class="variablelist"><table border="0">
 628 <col align="left" valign="top">
 629 <tbody>
 630 <tr>
 631 <td><p><span class="term"><em class="parameter"><code>invocation</code></em> :</span></p></td>
 632 <td>A <a class="link" href="GDBusMethodInvocation.html" title="GDBusMethodInvocation"><span class="type">GDBusMethodInvocation</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 633 </td>
 634 </tr>
 635 <tr>
 636 <td><p><span class="term"><em class="parameter"><code>parameters</code></em> :</span></p></td>
 637 <td>A <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> tuple with out parameters for the method or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if not passing any parameters. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 638 </td>
 639 </tr>
 640 <tr>
 641 <td><p><span class="term"><em class="parameter"><code>fd_list</code></em> :</span></p></td>
 642 <td>A <a class="link" href="GUnixFDList.html" title="GUnixFDList"><span class="type">GUnixFDList</span></a> or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 643 </td>
 644 </tr>
 645 </tbody>
 646 </table></div>
 647 <p class="since">Since 2.30</p>
 648 </div>
 649 </div>
 650 </div>
 651 <div class="footer">
 652 <hr>
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