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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>rpc_queue_upcall</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch01s05.html" title="SUN RPC subsystem" /><link rel="prev" href="re169.html" title="rpc_free_iostats" /><link rel="next" href="re171.html" title="rpc_mkpipe" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>rpc_queue_upcall</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re169.html">Prev</a> </td><th width="60%" align="center">SUN RPC subsystem</th><td width="20%" align="right"> <a accesskey="n" href="re171.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="rpc_queue_upcall"><a id="API-rpc-queue-upcall"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>rpc_queue_upcall —
</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">rpc_queue_upcall </b>(</code></td><td>struct inode * <var class="pdparam">inode</var>, </td></tr><tr><td> </td><td>struct rpc_pipe_msg * <var class="pdparam">msg</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2709344"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>inode</code></em></span></dt><dd><p>
inode of upcall pipe on which to queue given message
</p></dd><dt><span class="term"><em class="parameter"><code>msg</code></em></span></dt><dd><p>
message to queue
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2709388"></a><h2>Description</h2><p>
Call with an <em class="parameter"><code>inode</code></em> created by <code class="function">rpc_mkpipe</code> to queue an upcall.
A userspace process may then later read the upcall by performing a
read on an open file for this inode. It is up to the caller to
initialize the fields of <em class="parameter"><code>msg</code></em> (other than <em class="parameter"><code>msg</code></em>->list) appropriately.
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