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<html xmlns="http://www.w3.org/1999/xhtml"><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 V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch01s05.html" title="Workqueues and Kevents" /><link rel="prev" href="re106.html" title="schedule_delayed_work_on" /><link rel="next" href="re108.html" title="destroy_workqueue" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>execute_in_process_context</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re106.html">Prev</a> </td><th width="60%" align="center">Workqueues and Kevents</th><td width="20%" align="right"> <a accesskey="n" href="re108.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="execute_in_process_context"><a id="API-execute-in-process-context"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>execute_in_process_context —
reliably execute the routine with user context
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><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> </td><td>struct execute_work * <var class="pdparam">ew</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3038890"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>fn</code></em></span></dt><dd><p>
the function to execute
</p></dd><dt><span class="term"><em class="parameter"><code>ew</code></em></span></dt><dd><p>
guaranteed storage for the execute work structure (must
be available when the work executes)
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3038933"></a><h2>Description</h2><p>
Executes the function immediately if process context is available,
otherwise schedules the function for delayed execution.
</p></div><div class="refsect1" title="Returns"><a id="id3038945"></a><h2>Returns</h2><p>
0 - function was executed
1 - function was scheduled for execution
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