1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>hrtimer_start</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch01s05.html" title="High-resolution timers"><link rel="prev" href="API-hrtimer-start-range-ns.html" title="hrtimer_start_range_ns"><link rel="next" href="API-hrtimer-try-to-cancel.html" title="hrtimer_try_to_cancel"></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">hrtimer_start</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-hrtimer-start-range-ns.html">Prev</a>&#160;</td><th width="60%" align="center">High-resolution timers</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-hrtimer-try-to-cancel.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-hrtimer-start"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>hrtimer_start &#8212; 
2     (re)start an hrtimer on the current CPU
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">hrtimer_start </b>(</code></td><td>struct hrtimer * <var class="pdparam">timer</var>, </td></tr><tr><td>&#160;</td><td>ktime_t <var class="pdparam">tim</var>, </td></tr><tr><td>&#160;</td><td>const enum hrtimer_mode <var class="pdparam">mode</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1107595164"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>timer</code></em></span></dt><dd><p>
4     the timer to be added
5    </p></dd><dt><span class="term"><em class="parameter"><code>tim</code></em></span></dt><dd><p>
6     expiry time
7    </p></dd><dt><span class="term"><em class="parameter"><code>mode</code></em></span></dt><dd><p>
8     expiry mode: absolute (HRTIMER_MODE_ABS) or
9     relative (HRTIMER_MODE_REL)
10    </p></dd></dl></div></div><div class="refsect1"><a name="idp1107598860"></a><h2>Returns</h2><p>
11   0 on success
12   1 when the timer was active
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