95 lines
5.3 KiB
HTML
95 lines
5.3 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="External message queue (*EXT)" />
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<meta name="abstract" content="The external message queue (*EXT) is used to communicate with the external requester (such as a display station user) of the job." />
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<meta name="description" content="The external message queue (*EXT) is used to communicate with the external requester (such as a display station user) of the job." />
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<meta name="DC.subject" content="queue, external message (*EXT)" />
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<meta name="keywords" content="queue, external message (*EXT)" />
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<meta name="DC.Relation" scheme="URI" content="jmsgq.htm" />
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<meta name="DC.Relation" scheme="URI" content="jblog.htm" />
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<meta name="DC.Relation" scheme="URI" content="stmsg.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="msgextqueue" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>External message queue (*EXT)</title>
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</head>
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<body id="msgextqueue"><a name="msgextqueue"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">External message queue (*EXT)</h1>
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<div><p>The external message queue (*EXT) is used to communicate with the
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external requester (such as a display station user) of the job.</p>
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<p>Messages sent to *EXT are displayed in the following ways:</p>
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<ul><li>Display Program Messages screen<p>If an informational, inquiry, or notify
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message is sent to the external message queue for an interactive job, the
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message is displayed on the Display Program Messages display. Additionally,
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the procedure waits for a reply to inquiry or notify messages from the display
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station user. Should the user not enter a reply and press the Enter key or
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F3 (Exit), the default message reply is returned to the sender of the message.
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If there is no default message reply, *N is sent. If you send an inquiry or
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notify message to the external message queue for a batch job, the system sends
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the default reply back to you. If there is no default message reply, *N is
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the reply. The system reply list may override the displaying of inquiries
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or the sending of default replies to inquiries to *EXT.</p>
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</li>
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<li id="msgextqueue__msln"><a name="msgextqueue__msln"><!-- --></a>Message line of the display station<div class="p">If a status message is
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sent to the external message queue of an interactive job, the message is displayed
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on the message line of the display station. You can use status messages like
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this to inform the display station user of the progress of a long-running
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operation. For example, the system sends status messages when running the
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CPYF command if you copy a file with several members. <div class="note"><span class="notetitle">Note:</span> When your application
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completes the long-running operation, you must send another message to clear
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the message line at the display. You can use message CPI9801, which is a blank
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message, for this purpose. For example:</div>
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</div>
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<pre>PGM
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.
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.
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.
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SNDPGMMSG MSGID(CPF9898) MSGF(QCPFMSG) MSGDTA('Status 1') +
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TOPGMQ(*EXT) MSGTYPE(*STATUS)
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.
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.
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.
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SNDPGMMSG MSGID(CPF9898) MSGF(QCPFMSG) MSGDTA('Status 2') +
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TOPGMQ(*EXT) MSGTYPE(*STATUS)
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.
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.
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.
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SNDPGMMSG MSGID(CPI9801) MSGF(QCPFMSG) TOPGMQ(*EXT) +
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MSGTYPE(*STATUS)
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.
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.
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.
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ENDPGM</pre>
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</li>
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</ul>
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<p> Messages (except status messages) sent to the external message queue of
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a job are also placed on the job log.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="jmsgq.htm" title="Job message queues are created for each job on the system to handle all the message requirements of the job. Job message queues for a single job consist of an external message queue (*EXT) and a set of call message queues.">Job message queues</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="jblog.htm" title="Each job has an associated job log.">Job log</a></div>
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<div><a href="stmsg.htm" title="You can send status messages from your CL procedure or program, using the Send Program Message (SNDPGMMSG) command, to the external message queue (*EXT) for the job or to a call message queue .">Status messages</a></div>
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</div>
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</div>
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</body>
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</html>
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