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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>Chapter 3. Events based on file descriptors</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="index.html" title="Linux Filesystems API" /><link rel="prev" href="API-proc-flush-task.html" title="proc_flush_task" /><link rel="next" href="API-eventfd-signal.html" title="eventfd_signal" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 3. Events based on file descriptors</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-proc-flush-task.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-eventfd-signal.html">Next</a></td></tr></table><hr /></div><div class="chapter" title="Chapter 3. Events based on file descriptors"><div class="titlepage"><div><div><h2 class="title"><a id="fs_events"></a>Chapter 3. Events based on file descriptors</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl><dt><span class="refentrytitle"><a href="API-eventfd-signal.html"><span>eventfd_signal</span></a></span><span class="refpurpose"> —
Adds <em class="parameter"><code>n</code></em> to the eventfd counter.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-get.html"><span>eventfd_ctx_get</span></a></span><span class="refpurpose"> —
Acquires a reference to the internal eventfd context.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-put.html"><span>eventfd_ctx_put</span></a></span><span class="refpurpose"> —
Releases a reference to the internal eventfd context.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-remove-wait-queue.html"><span>eventfd_ctx_remove_wait_queue</span></a></span><span class="refpurpose"> —
Read the current counter and removes wait queue.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-read.html"><span>eventfd_ctx_read</span></a></span><span class="refpurpose"> —
Reads the eventfd counter or wait if it is zero.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-fget.html"><span>eventfd_fget</span></a></span><span class="refpurpose"> —
Acquire a reference of an eventfd file descriptor.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-fdget.html"><span>eventfd_ctx_fdget</span></a></span><span class="refpurpose"> —
Acquires a reference to the internal eventfd context.
</span></dt><dt><span class="refentrytitle"><a href="API-eventfd-ctx-fileget.html"><span>eventfd_ctx_fileget</span></a></span><span class="refpurpose"> —
Acquires a reference to the internal eventfd context.
</span></dt></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-proc-flush-task.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-eventfd-signal.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>proc_flush_task</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>eventfd_signal</span></td></tr></table></div></body></html>
