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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.docbook.org/xml/4.5/docbookx.dtd">
<refentry lang="en">
<refentryinfo>
<productname>RabbitMQ Server</productname>
<authorgroup>
<corpauthor>The RabbitMQ Team <<ulink url="mailto:info@rabbitmq.com"><email>info@rabbitmq.com</email></ulink>></corpauthor>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>rabbitmq-echopid.bat</refentrytitle>
<refmiscinfo class="manual">RabbitMQ Server</refmiscinfo>
</refmeta>
<refnamediv>
<refname>rabbitmq-echopid.bat</refname>
<refpurpose>return the process id of the Erlang runtime hosting RabbitMQ</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>rabbitmq-echopid.bat</command>
<arg choice="req">sname</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
RabbitMQ is an implementation of AMQP, the emerging
standard for high performance enterprise messaging. The
RabbitMQ server is a robust and scalable implementation of
an AMQP broker.
</para>
<para>
Running <command>rabbitmq-echopid</command> will attempt to
discover and echo the process id (PID) of the Erlang runtime
process (erl.exe) that is hosting RabbitMQ. To allow erl.exe
time to start up and load RabbitMQ, the script will wait for
ten seconds before timing out if a suitable PID cannot be
found.
</para>
<para>
If a PID is discovered, the script will echo it to stdout
before exiting with a ERRORLEVEL of 0. If no PID is
discovered before the timeout, nothing is written to stdout
and the script exits setting ERRORLEVEL to 1.
</para>
<para>
Note that this script only exists on Windows due to the need
to wait for erl.exe and possibly time-out. To obtain the PID
on Unix set RABBITMQ_PID_FILE before starting
rabbitmq-server and do not use "-detached".
</para>
</refsect1>
<refsect1>
<title>Options</title>
<variablelist>
<varlistentry>
<term><cmdsynopsis><arg choice="req">sname</arg></cmdsynopsis></term>
<listitem>
<para role="usage">
The short-name form of the RabbitMQ node name.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
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