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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml">
+ <head>
+ <title xmlns:xlink="http://www.w3.org/1999/xlink">eglGetSyncAttrib - EGL Reference Pages</title>
+ <link rel="stylesheet" type="text/css" href="khronos-man.css"/>
+ <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"/>
+ </head>
+ <body>
+ <header/>
+ <div class="refentry" id="eglGetSyncAttrib">
+ <div class="titlepage"/>
+ <div class="refnamediv">
+ <h2>Name</h2>
+ <p>eglGetSyncAttrib —
+ Return an attribute of a sync object
+ </p>
+ </div>
+ <div class="refsynopsisdiv">
+ <h2>C Specification</h2>
+ <div class="funcsynopsis">
+ <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table">
+ <tr>
+ <td>
+ <code class="funcdef">EGLBoolean <strong class="fsfunc">eglGetSyncAttrib</strong>(</code>
+ </td>
+ <td>(EGLDisplay <var class="pdparam">display</var>, </td>
+ </tr>
+ <tr>
+ <td> </td>
+ <td>EGLSync <var class="pdparam">sync</var>, </td>
+ </tr>
+ <tr>
+ <td> </td>
+ <td>EGLint <var class="pdparam">attribute</var>, </td>
+ </tr>
+ <tr>
+ <td> </td>
+ <td>EGLAttrib *<var class="pdparam">value</var><code>)</code>;</td>
+ </tr>
+ </table>
+ <div class="funcprototype-spacer"> </div>
+ </div>
+ </div>
+ <div class="refsect1" id="parameters">
+ <h2>Parameters</h2>
+ <div class="variablelist">
+ <dl class="variablelist">
+ <dt>
+ <span class="term">
+ <em class="parameter">
+ <code>display</code>
+ </em>
+ </span>
+ </dt>
+ <dd>
+ <p>
+ Specifies the <abbr class="acronym">EGL</abbr> display connection.
+ </p>
+ </dd>
+ <dt>
+ <span class="term">
+ <em class="parameter">
+ <code>sync</code>
+ </em>
+ </span>
+ </dt>
+ <dd>
+ <p>
+ Specifies the sync object to query.
+ </p>
+ </dd>
+ <dt>
+ <span class="term">
+ <em class="parameter">
+ <code>attribute</code>
+ </em>
+ </span>
+ </dt>
+ <dd>
+ <p>
+ Specifies the EGL sync object attribute to query.
+ </p>
+ </dd>
+ <dt>
+ <span class="term">
+ <em class="parameter">
+ <code>value</code>
+ </em>
+ </span>
+ </dt>
+ <dd>
+ <p>
+ Returns the requested attribute value.
+ </p>
+ </dd>
+ </dl>
+ </div>
+ </div>
+ <div class="refsect1" id="description">
+ <h2>Description</h2>
+ <p>
+ <code class="function">eglGetSyncAttrib</code> is used to query
+ attributes of the sync object <em class="parameter"><code>sync</code></em>. Legal
+ values for <em class="parameter"><code>attribute</code></em> depend on the type
+ of sync object, as shown in table
+ <a class="xref" href="#tab-syncattr" title="Table 1.  Attributes accepted by eglGetSyncAttrib">Table 1, “
+ Attributes accepted by <code class="function">eglGetSyncAttrib</code>
+ ”</a>. Assuming no errors are
+ generated, <code class="constant">EGL_TRUE</code> is returned and the
+ value of the queried attribute is returned in
+ *<em class="parameter"><code>value</code></em>.
+ </p>
+ <div class="table" id="tab-syncattr">
+ <div class="table-title">Table 1. 
+ Attributes accepted by <code class="function">eglGetSyncAttrib</code>
+ </div>
+ <div class="table-contents">
+ <table style="border-collapse: collapse; border-top: 2px solid ; border-bottom: 2px solid ; border-left: 2px solid ; border-right: 2px solid ; ">
+ <colgroup>
+ <col/>
+ <col/>
+ <col/>
+ </colgroup>
+ <thead>
+ <tr>
+ <th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Attribute</th>
+ <th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Description</th>
+ <th style="text-align: left; border-bottom: 2px solid ; ">Supported Sync Objects</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Attribute</td>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Description</td>
+ <td style="text-align: left; border-bottom: 2px solid ; ">Supported Sync Objects</td>
+ </tr>
+ <tr>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
+ <code class="constant">EGL_SYNC_TYPE</code>
+ </td>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Type of the sync object</td>
+ <td style="text-align: left; border-bottom: 2px solid ; ">All</td>
+ </tr>
+ <tr>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
+ <code class="constant">EGL_SYNC_STATUS</code>
+ </td>
+ <td style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">Status of the sync object</td>
+ <td style="text-align: left; border-bottom: 2px solid ; ">All</td>
+ </tr>
+ <tr>
+ <td style="text-align: left; border-right: 2px solid ; ">
+ <code class="constant">EGL_SYNC_CONDITION</code>
+ </td>
+ <td style="text-align: left; border-right: 2px solid ; ">Signaling condition</td>
+ <td style="text-align: left; ">
+ <code class="constant">EGL_SYNC_FENCE</code> or
+ <code class="constant">EGL_SYNC_CL_EVENT</code>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </div>
+ </div>
+ <br class="table-break"/>
+ </div>
+ <div class="refsect1" id="errors">
+ <h2>Errors</h2>
+ <p>
+ On failure, <code class="function">eglGetSyncAttrib</code> returns
+ <code class="constant">EGL_FALSE</code> and *<em class="parameter"><code>value</code></em>
+ is not modified.
+ </p>
+ <p>
+ If <em class="parameter"><code>sync</code></em> is not a valid sync object for
+ <em class="parameter"><code>display</code></em>, an
+ <code class="constant">EGL_BAD_PARAMETER</code> error is generated.
+ </p>
+ <p>
+ If <em class="parameter"><code>attribute</code></em> is not one of the attributes
+ in table <a class="xref" href="#tab-syncattr" title="Table 1.  Attributes accepted by eglGetSyncAttrib">Table 1, “
+ Attributes accepted by <code class="function">eglGetSyncAttrib</code>
+ ”</a>, an
+ <code class="constant">EGL_BAD_ATTRIBUTE</code> error is generated.
+ </p>
+ <p>
+ If <em class="parameter"><code>attribute</code></em> is not supported for the
+ type of sync object passed in <em class="parameter"><code>sync</code></em>, an
+ <code class="constant">EGL_BAD_MATCH</code> error is generated.
+ </p>
+ <p>
+ If <em class="parameter"><code>display</code></em> does not match the display
+ passed to <code class="function">eglCreateSync</code> when
+ <em class="parameter"><code>sync</code></em> was created, behaviour is undefined.
+ </p>
+ </div>
+ <div class="refsect1" id="notes">
+ <h2>Notes</h2>
+ <p>
+ <code class="function">eglGetSyncAttrib</code> is available only if the
+ EGL version is 1.5 or greater.
+ </p>
+ </div>
+ <div class="refsect1" id="seealso">
+ <h2>See Also</h2>
+ <p>
+ <a class="citerefentry" href="eglCreateSync.xhtml"><span class="citerefentry"><span class="refentrytitle">eglCreateSync</span></span></a>
+ </p>
+ </div>
+ <p>
+ </p>
+ <div class="refsect3" id="copyright">
+ <img src="KhronosLogo.jpg"/>
+ <p>
+ Copyright © 2003-2014 The Khronos Group Inc.
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and/or associated documentation files (the
+ "Materials"), to deal in the Materials without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Materials, and to
+ permit persons to whom the Materials are furnished to do so, subject to
+ the condition that this copyright notice and permission notice shall be included
+ in all copies or substantial portions of the Materials.
+ </p>
+ </div>
+ <p>
+</p>
+ </div>
+ <footer/>
+ </body>
+</html>
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