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147 lines
5.6 KiB
HTML
147 lines
5.6 KiB
HTML
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DB->get_lk_exclusive()</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
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<link rel="up" href="db.html" title="Chapter 2. The DB Handle" />
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<link rel="prev" href="dbget_heap_regionsize.html" title="DB->get_heap_regionsize()" />
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<link rel="next" href="dbget_lorder.html" title="DB->get_lorder()" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.3</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DB->get_lk_exclusive()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="dbget_heap_regionsize.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 2.
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The DB Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="dbget_lorder.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="dbget_lk_exclusive"></a>DB->get_lk_exclusive()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db.h>
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int
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DB->get_lk_exclusive(DB *db, int *onoff, int *nowait); </pre>
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<p>
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Returns whether the database handle is configured to obtain a write lock on the
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entire database. This can be set using the
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<a class="xref" href="dbset_lk_exclusive.html" title="DB->set_lk_exclusive()">DB->set_lk_exclusive()</a>
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method.
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</p>
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<p>
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The <code class="methodname">DB->get_lk_exclusive()</code> method may be
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called at any time during the life of the application.
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</p>
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<p>
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The <code class="methodname">DB->get_lk_exclusive()</code> always
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returns <code class="literal">0</code>.
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp57670144"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="idp57671696"></a>onoff</h4>
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</div>
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</div>
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</div>
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<p>
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Indicates whether the handle is configured for exclusive
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database locking. If <code class="literal">0</code>, it is not
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configured for exclusive locking. If <code class="literal">1</code>,
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then it is configured for exclusive locking.
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</p>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="idp57675144"></a>nowait</h4>
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</div>
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</div>
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</div>
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<p>
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Indicates whether the handle is configured for immediate
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locking. If <code class="literal">0</code>, then the locking
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operation will block until it can obtain an exclusive
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database lock. If <code class="literal">1</code>, then the locking
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operation will error out if it cannot immediately obtain
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an exclusive lock.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp57674632"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="db.html" title="Chapter 2. The DB Handle">DB</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp57683728"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>,
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<a class="xref" href="dbset_lk_exclusive.html" title="DB->set_lk_exclusive()">DB->set_lk_exclusive()</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="dbget_heap_regionsize.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="db.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="dbget_lorder.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DB->get_heap_regionsize() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> DB->get_lorder()</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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