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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>GUnixConnection: GIO Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GIO Reference Manual"> <link rel="up" href="highlevel-socket.html" title="High-level network functionallity"> <link rel="prev" href="GSocketConnection.html" title="GSocketConnection"> <link rel="next" href="GTcpConnection.html" title="GTcpConnection"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#GUnixConnection.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GUnixConnection.object-hierarchy" class="shortcut">Object Hierarchy</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="highlevel-socket.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="GSocketConnection.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="GTcpConnection.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GUnixConnection"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GUnixConnection.top_of_page"></a>GUnixConnection</span></h2> <p>GUnixConnection — A UNIX domain GSocketConnection</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="GUnixConnection.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <span class="returnvalue">gint</span> </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-receive-fd" title="g_unix_connection_receive_fd ()">g_unix_connection_receive_fd</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">gboolean</span> </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-send-fd" title="g_unix_connection_send_fd ()">g_unix_connection_send_fd</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GCredentials.html" title="GCredentials"><span class="returnvalue">GCredentials</span></a> * </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials" title="g_unix_connection_receive_credentials ()">g_unix_connection_receive_credentials</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="GUnixConnection.html#g-unix-connection-receive-credentials-async" title="g_unix_connection_receive_credentials_async ()">g_unix_connection_receive_credentials_async</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GCredentials.html" title="GCredentials"><span class="returnvalue">GCredentials</span></a> * </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials-finish" title="g_unix_connection_receive_credentials_finish ()">g_unix_connection_receive_credentials_finish</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">gboolean</span> </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials" title="g_unix_connection_send_credentials ()">g_unix_connection_send_credentials</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="GUnixConnection.html#g-unix-connection-send-credentials-async" title="g_unix_connection_send_credentials_async ()">g_unix_connection_send_credentials_async</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">gboolean</span> </td> <td class="function_name"> <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials-finish" title="g_unix_connection_send_credentials_finish ()">g_unix_connection_send_credentials_finish</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GUnixConnection.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody><tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="GUnixConnection.html#GUnixConnection-struct" title="struct GUnixConnection">GUnixConnection</a></td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="GUnixConnection.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> GObject <span class="lineart">╰──</span> <a class="link" href="GIOStream.html" title="GIOStream">GIOStream</a> <span class="lineart">╰──</span> <a class="link" href="GSocketConnection.html" title="GSocketConnection">GSocketConnection</a> <span class="lineart">╰──</span> GUnixConnection </pre> </div> <div class="refsect1"> <a name="GUnixConnection.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gio/gunixconnection.h> </pre> </div> <div class="refsect1"> <a name="GUnixConnection.description"></a><h2>Description</h2> <p>This is the subclass of <a class="link" href="GSocketConnection.html" title="GSocketConnection"><span class="type">GSocketConnection</span></a> that is created for UNIX domain sockets.</p> <p>It contains functions to do some of the UNIX socket specific functionality like passing file descriptors.</p> <p>Note that <code class="literal"><gio/gunixconnection.h></code> belongs to the UNIX-specific GIO interfaces, thus you have to use the <code class="literal">gio-unix-2.0.pc</code> pkg-config file when using it.</p> </div> <div class="refsect1"> <a name="GUnixConnection.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="g-unix-connection-receive-fd"></a><h3>g_unix_connection_receive_fd ()</h3> <pre class="programlisting"><span class="returnvalue">gint</span> g_unix_connection_receive_fd (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Receives a file descriptor from the sending end of the connection. The sending end has to call <a class="link" href="GUnixConnection.html#g-unix-connection-send-fd" title="g_unix_connection_send_fd ()"><code class="function">g_unix_connection_send_fd()</code></a> for this to work.</p> <p>As well as reading the fd this also reads a single byte from the stream, as this is required for fd passing to work on some implementations.</p> <div class="refsect3"> <a name="g-unix-connection-receive-fd.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p><span class="type">GError</span> for error reporting, or <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-receive-fd.returns"></a><h4>Returns</h4> <p> a file descriptor on success, -1 on error.</p> </div> <p class="since">Since: <a class="link" href="api-index-2-22.html#api-index-2.22">2.22</a></p> </div> <hr> <div class="refsect2"> <a name="g-unix-connection-send-fd"></a><h3>g_unix_connection_send_fd ()</h3> <pre class="programlisting"><span class="returnvalue">gboolean</span> g_unix_connection_send_fd (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><span class="type">gint</span> fd</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Passes a file descriptor to the receiving side of the connection. The receiving end has to call <a class="link" href="GUnixConnection.html#g-unix-connection-receive-fd" title="g_unix_connection_receive_fd ()"><code class="function">g_unix_connection_receive_fd()</code></a> to accept the file descriptor.</p> <p>As well as sending the fd this also writes a single byte to the stream, as this is required for fd passing to work on some implementations.</p> <div class="refsect3"> <a name="g-unix-connection-send-fd.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>fd</p></td> <td class="parameter_description"><p>a file descriptor</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p><span class="type">GError</span> for error reporting, or <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-send-fd.returns"></a><h4>Returns</h4> <p> a <code class="literal">TRUE</code> on success, <code class="literal">NULL</code> on error.</p> </div> <p class="since">Since: <a class="link" href="api-index-2-22.html#api-index-2.22">2.22</a></p> </div> <hr> <div class="refsect2"> <a name="g-unix-connection-receive-credentials"></a><h3>g_unix_connection_receive_credentials ()</h3> <pre class="programlisting"><a class="link" href="GCredentials.html" title="GCredentials"><span class="returnvalue">GCredentials</span></a> * g_unix_connection_receive_credentials (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Receives credentials from the sending end of the connection. The sending end has to call <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials" title="g_unix_connection_send_credentials ()"><code class="function">g_unix_connection_send_credentials()</code></a> (or similar) for this to work.</p> <p>As well as reading the credentials this also reads (and discards) a single byte from the stream, as this is required for credentials passing to work on some implementations.</p> <p>This method can be expected to be available on the following platforms:</p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"><p>Linux since GLib 2.26</p></li> <li class="listitem"><p>FreeBSD since GLib 2.26</p></li> <li class="listitem"><p>GNU/kFreeBSD since GLib 2.36</p></li> <li class="listitem"><p>Solaris, Illumos and OpenSolaris since GLib 2.40</p></li> <li class="listitem"><p>GNU/Hurd since GLib 2.40</p></li> </ul></div> <p>Other ways to exchange credentials with a foreign peer includes the <a class="link" href="GUnixCredentialsMessage.html" title="GUnixCredentialsMessage"><span class="type">GUnixCredentialsMessage</span></a> type and <a class="link" href="GSocket.html#g-socket-get-credentials" title="g_socket_get_credentials ()"><code class="function">g_socket_get_credentials()</code></a> function.</p> <div class="refsect3"> <a name="g-unix-connection-receive-credentials.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>A <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> or <code class="literal">NULL</code>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p>Return location for error or <code class="literal">NULL</code>.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-receive-credentials.returns"></a><h4>Returns</h4> <p>Received credentials on success (free with <code class="function">g_object_unref()</code>), <code class="literal">NULL</code> if <em class="parameter"><code>error</code></em> is set. </p> <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></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-unix-connection-receive-credentials-async"></a><h3>g_unix_connection_receive_credentials_async ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_unix_connection_receive_credentials_async (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>, <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre> <p>Asynchronously receive credentials.</p> <p>For more details, see <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials" title="g_unix_connection_receive_credentials ()"><code class="function">g_unix_connection_receive_credentials()</code></a> which is the synchronous version of this call.</p> <p>When the operation is finished, <em class="parameter"><code>callback</code></em> will be called. You can then call <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials-finish" title="g_unix_connection_receive_credentials_finish ()"><code class="function">g_unix_connection_receive_credentials_finish()</code></a> to get the result of the operation.</p> <div class="refsect3"> <a name="g-unix-connection-receive-credentials-async.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>callback</p></td> <td class="parameter_description"><p>a <a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> to call when the request is satisfied. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until first called."><span class="acronym">scope async</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>the data to pass to callback function. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p> </div> <hr> <div class="refsect2"> <a name="g-unix-connection-receive-credentials-finish"></a><h3>g_unix_connection_receive_credentials_finish ()</h3> <pre class="programlisting"><a class="link" href="GCredentials.html" title="GCredentials"><span class="returnvalue">GCredentials</span></a> * g_unix_connection_receive_credentials_finish (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a> *result</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Finishes an asynchronous receive credentials operation started with <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials-async" title="g_unix_connection_receive_credentials_async ()"><code class="function">g_unix_connection_receive_credentials_async()</code></a>.</p> <div class="refsect3"> <a name="g-unix-connection-receive-credentials-finish.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>result</p></td> <td class="parameter_description"><p>a <a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p>a <span class="type">GError</span>, or <code class="literal">NULL</code></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-receive-credentials-finish.returns"></a><h4>Returns</h4> <p>a <a class="link" href="GCredentials.html" title="GCredentials"><span class="type">GCredentials</span></a>, or <code class="literal">NULL</code> on error. Free the returned object with <code class="function">g_object_unref()</code>. </p> <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p> </div> <hr> <div class="refsect2"> <a name="g-unix-connection-send-credentials"></a><h3>g_unix_connection_send_credentials ()</h3> <pre class="programlisting"><span class="returnvalue">gboolean</span> g_unix_connection_send_credentials (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Passes the credentials of the current user the receiving side of the connection. The receiving end has to call <a class="link" href="GUnixConnection.html#g-unix-connection-receive-credentials" title="g_unix_connection_receive_credentials ()"><code class="function">g_unix_connection_receive_credentials()</code></a> (or similar) to accept the credentials.</p> <p>As well as sending the credentials this also writes a single NUL byte to the stream, as this is required for credentials passing to work on some implementations.</p> <p>This method can be expected to be available on the following platforms:</p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"><p>Linux since GLib 2.26</p></li> <li class="listitem"><p>FreeBSD since GLib 2.26</p></li> <li class="listitem"><p>GNU/kFreeBSD since GLib 2.36</p></li> <li class="listitem"><p>Solaris, Illumos and OpenSolaris since GLib 2.40</p></li> <li class="listitem"><p>GNU/Hurd since GLib 2.40</p></li> </ul></div> <p>Other ways to exchange credentials with a foreign peer includes the <a class="link" href="GUnixCredentialsMessage.html" title="GUnixCredentialsMessage"><span class="type">GUnixCredentialsMessage</span></a> type and <a class="link" href="GSocket.html#g-socket-get-credentials" title="g_socket_get_credentials ()"><code class="function">g_socket_get_credentials()</code></a> function.</p> <div class="refsect3"> <a name="g-unix-connection-send-credentials.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>A <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> or <code class="literal">NULL</code>. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p>Return location for error or <code class="literal">NULL</code>.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-send-credentials.returns"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> if <em class="parameter"><code>error</code></em> is set.</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-unix-connection-send-credentials-async"></a><h3>g_unix_connection_send_credentials_async ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_unix_connection_send_credentials_async (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, <em class="parameter"><code><a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>, <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre> <p>Asynchronously send credentials.</p> <p>For more details, see <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials" title="g_unix_connection_send_credentials ()"><code class="function">g_unix_connection_send_credentials()</code></a> which is the synchronous version of this call.</p> <p>When the operation is finished, <em class="parameter"><code>callback</code></em> will be called. You can then call <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials-finish" title="g_unix_connection_send_credentials_finish ()"><code class="function">g_unix_connection_send_credentials_finish()</code></a> to get the result of the operation.</p> <div class="refsect3"> <a name="g-unix-connection-send-credentials-async.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cancellable</p></td> <td class="parameter_description"><p>optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <code class="literal">NULL</code> to ignore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>callback</p></td> <td class="parameter_description"><p>a <a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> to call when the request is satisfied. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until first called."><span class="acronym">scope async</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>the data to pass to callback function. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p> </div> <hr> <div class="refsect2"> <a name="g-unix-connection-send-credentials-finish"></a><h3>g_unix_connection_send_credentials_finish ()</h3> <pre class="programlisting"><span class="returnvalue">gboolean</span> g_unix_connection_send_credentials_finish (<em class="parameter"><code><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> *connection</code></em>, <em class="parameter"><code><a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a> *result</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Finishes an asynchronous send credentials operation started with <a class="link" href="GUnixConnection.html#g-unix-connection-send-credentials-async" title="g_unix_connection_send_credentials_async ()"><code class="function">g_unix_connection_send_credentials_async()</code></a>.</p> <div class="refsect3"> <a name="g-unix-connection-send-credentials-finish.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="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>result</p></td> <td class="parameter_description"><p>a <a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p>a <span class="type">GError</span>, or <code class="literal">NULL</code></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="g-unix-connection-send-credentials-finish.returns"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> if the operation was successful, otherwise <code class="literal">FALSE</code>.</p> </div> <p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p> </div> </div> <div class="refsect1"> <a name="GUnixConnection.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GUnixConnection-struct"></a><h3>struct GUnixConnection</h3> <pre class="programlisting">struct GUnixConnection;</pre> <p><a class="link" href="GUnixConnection.html" title="GUnixConnection"><span class="type">GUnixConnection</span></a> is an opaque data structure and can only be accessed using the following functions.</p> </div> </div> <div class="refsect1"> <a name="GUnixConnection.see-also"></a><h2>See Also</h2> <p><a class="link" href="GSocketConnection.html" title="GSocketConnection"><span class="type">GSocketConnection</span></a>.</p> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>