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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 329774 $ -->
<refentry xml:id="eventconfig.setmaxdispatchinterval" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>EventConfig::setMaxDispatchInterval</refname>
<refpurpose>Prevents priority inversion</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier>
<type>void</type>
<methodname>EventConfig::setMaxDispatchInterval</methodname>
<methodparam>
<type>int</type>
<parameter>max_interval</parameter>
</methodparam>
<methodparam>
<type>int</type>
<parameter>max_callbacks</parameter>
</methodparam>
<methodparam>
<type>int</type>
<parameter>min_priority</parameter>
</methodparam>
</methodsynopsis>
<para>
Prevents priority inversion by limiting how many low-priority event
callbacks can be invoked before checking for more high-priority events.
</para>
<note>
<para>
Available since
<literal>libevent 2.1.0-alpha</literal>
.
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term>
<parameter>max_interval</parameter>
</term>
<listitem>
<para>
An interval after which Libevent should stop running callbacks and check
for more events, or
<constant>0</constant>
, if there should be no such interval.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>max_callbacks</parameter>
</term>
<listitem>
<para>
A number of callbacks after which Libevent should stop running callbacks
and check for more events, or
<constant>-1</constant>
, if there should be no such limit.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>min_priority</parameter>
</term>
<listitem>
<para>
A priority below which
<parameter>max_interval</parameter>
and
<parameter>max_callbacks</parameter>
should not be enforced. If this is set to
<constant>0</constant>
, they are enforced for events of every priority; if it's set to
<constant>1</constant>
, they're enforced for events of priority
<constant>1</constant>
and above, and so on.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns &true; on success, otherwise &false;.
</para>
</refsect1>
</refentry>
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