1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>fcntl_setlease</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Filesystems API"><link rel="up" href="file_locks.html" title="File Locks"><link rel="prev" href="API-check-conflicting-open.html" title="check_conflicting_open"><link rel="next" href="API-sys-flock.html" title="sys_flock"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">fcntl_setlease</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-check-conflicting-open.html">Prev</a>&#160;</td><th width="60%" align="center">File Locks</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-sys-flock.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-fcntl-setlease"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>fcntl_setlease &#8212; 
2     sets a lease on an open file
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">fcntl_setlease </b>(</code></td><td>unsigned int <var class="pdparam">fd</var>, </td></tr><tr><td>&#160;</td><td>struct file * <var class="pdparam">filp</var>, </td></tr><tr><td>&#160;</td><td>long <var class="pdparam">arg</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1102095124"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>fd</code></em></span></dt><dd><p>
4     open file descriptor
5    </p></dd><dt><span class="term"><em class="parameter"><code>filp</code></em></span></dt><dd><p>
6     file pointer
7    </p></dd><dt><span class="term"><em class="parameter"><code>arg</code></em></span></dt><dd><p>
8     type of lease to obtain
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1102098636"></a><h2>Description</h2><p>
10   Call this fcntl to establish a lease on the file.
11   Note that you also need to call <code class="constant">F_SETSIG</code> to
12   receive a signal when the lease is broken.
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