1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>execute_in_process_context</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="ch01s06.html" title="Workqueues and Kevents"><link rel="prev" href="API-flush-scheduled-work.html" title="flush_scheduled_work"><link rel="next" href="API-destroy-workqueue.html" title="destroy_workqueue"></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">execute_in_process_context</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-flush-scheduled-work.html">Prev</a>&#160;</td><th width="60%" align="center">Workqueues and Kevents</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-destroy-workqueue.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-execute-in-process-context"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>execute_in_process_context &#8212; 
2     reliably execute the routine with user context
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">execute_in_process_context </b>(</code></td><td>work_func_t <var class="pdparam">fn</var>, </td></tr><tr><td>&#160;</td><td>struct execute_work * <var class="pdparam">ew</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1107783092"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>fn</code></em></span></dt><dd><p>
4     the function to execute
5    </p></dd><dt><span class="term"><em class="parameter"><code>ew</code></em></span></dt><dd><p>
6     guaranteed storage for the execute work structure (must
7     be available when the work executes)
8    </p></dd></dl></div></div><div class="refsect1"><a name="idp1107785740"></a><h2>Description</h2><p>
9   Executes the function immediately if process context is available,
10   otherwise schedules the function for delayed execution.
11</p></div><div class="refsect1"><a name="idp1107786468"></a><h2>Return</h2><p>
12   0 - function was executed
13   1 - function was scheduled for execution
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