75 lines
5.5 KiB
HTML
75 lines
5.5 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 name="DC.Type" content="task" />
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<meta name="DC.Title" content="Using a sender copy message to obtain a reply" />
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<meta name="abstract" content="This topic describes how to obtain a reply to an inquiry message by using a sender copy message." />
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<meta name="description" content="This topic describes how to obtain a reply to an inquiry message by using a sender copy message." />
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<meta name="DC.subject" content="sender copy message, message, using a sender copy message, obtaining a reply" />
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<meta name="DC.Relation" scheme="URI" content="msghandlereplies.htm" />
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<meta name="DC.Relation" scheme="URI" content="immmsg.htm" />
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<meta name="DC.Relation" scheme="URI" content="xsmsg.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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<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>Using a sender copy message to obtain a reply</title>
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</head>
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<body id="sndrcpy"><a name="sndrcpy"><!-- --></a>
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<img src="./delta.gif" alt="Start of change" /><!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Using a sender copy message to obtain a reply</h1>
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<div><p>This topic describes how to obtain a reply to an inquiry message
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by using a sender copy message.</p>
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<div class="section"> <p> When an inquiry message is sent it expects a reply. To allow
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the sender of an inquiry message to obtain a reply, a sender copy message
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is issued and associated internally with the inquiry message. A sender copy
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message is a copy of the inquiry message that is used by the sender to obtain
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the reply that was sent to its associated inquiry message. Sending and inquiry
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and obtaining the reply can be done rather easily when using the <span class="cmdname">SNDUSRMSG</span> command
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in a program or procedure. If the <span class="cmdname">SNDUSRMSG</span> command is
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not used, the function to send an inquiry and obtain the reply can be done
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by the <span class="cmdname">SNDPGMMSG</span> and <span class="cmdname">RCVMSG</span> commands
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in a program or procedure. An inquiry can be sent with the <span class="cmdname">SNDPGMMSG</span> command
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and the reply can be obtained using the <span class="cmdname">RCVMSG</span> command.
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For example, when an inquiry message is sent with the <span class="cmdname">SNDPGMMSG</span> command,
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the message reference key (MRK) of the sender copy can be returned on the <span class="cmdname">SNDPGMMSG</span> command
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on the KEYVAR parameter. The sender copy message is placed on the reply message
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queue that is specified on the <span class="cmdname">SNDPGMMSG</span> command. When
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a reply is sent to the inquiry message, internal message handling will also
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send the same reply to the sender copy message. Then the program can obtain
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the reply with <span class="cmdname">RCVMSG</span> by doing the following:</p>
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<ul><li>using the MRK of the sender copy from the KEYVAR parameter of <span class="cmdname">SNDPGMMSG</span> and
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specify it on the MSGKEY parameter of the <span class="cmdname">RCVMSG</span> command</li>
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<li>specifying a message type of reply</li>
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<li>providing a wait time to allow time for a reply to be sent to the inquiry
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message</li>
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</ul>
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</div>
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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="msghandlereplies.htm" title="This topic covers using a sender copy message to obtain a reply, finding the job that sent a reply, using the system reply list, and using reply handling exit programs.">Handle replies to inquiry messages</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="immmsg.htm" title="This example shows how a procedure sends an inquiry message and handles the reply.">Example: Send an immediate message and handling a reply</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="xsmsg.htm" title="This topic contains six message examples: send a completion message, send a completion message with variable text, send an inquiry message and receive its reply, send an inquiry message and receive a reply with Send User Message (SNDUSRMSG), send an escape message, and send an informational message to multiple users.">Examples: Send messages</a></div>
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</div>
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</div>
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<img src="./deltaend.gif" alt="End of change" /></body>
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</html>
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