692 lines
20 KiB
HTML
692 lines
20 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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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="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>Delete Journal Receiver Exit Program</title>
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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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<!-- Begin Header Records ========================================== -->
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<!-- JC1 SCRIPT A converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!--Edited by Kersten Oct 2001 -->
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<!-- This file has undergone html cleanup June 2002 by JET -->
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<!--End Header Records -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="top_Of_Page"></a>
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<!-- Java sync-link -->
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<script type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<h2>Delete Journal Receiver Exit Program</h2>
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<div class="box" style="width: 70%;">
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<br>
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Required Parameter Group:<br>
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<!-- iddvc RMBR -->
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">1</td>
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<td align="left" valign="top" width="50%">Delete journal receiver exit
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information</td>
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<td align="left" valign="top" width="20%">Input</td>
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<td align="left" valign="top" width="20%">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">2</td>
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<td align="left" valign="top">Status information</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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</table>
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<br>
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QSYSINC Member Name: EDLTRCV1<br>
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<!-- iddvc RMBR -->
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<br>
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Exit Point Name: QIBM_QJO_DLT_JRNRCV<br>
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<!-- iddvc RMBR -->
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<br>
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Exit Point Format Names: DRCV0100<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The Delete Journal Receiver exit program is called when a journal receiver
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is to be deleted on the server.</p>
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<p>When a journal receiver is to be deleted on the server, the operating system
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calls the user-written exit programs through the registration facility. The
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exit programs will be called before the journal receiver is actually deleted
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and can indicate whether the exit program considers the receiver eligible for
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deletion.</p>
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<p>The exit point supports an unlimited number of exit programs. For
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information about adding an exit program to an exit point, see the Registration
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Facility.</p>
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<p><strong>Note:</strong> If the Delete Journal Receiver exit program returns
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any error messages, the journal receiver will not be considered eligible for
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deletion.</p>
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<br>
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<h3>Restrictions</h3>
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<ul>
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<li>When a user specifies DLTRCV(*YES) as an attribute of a journal, the system
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will attempt to delete the journal receiver when the system sees it is no
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longer required for recovery purposes. Before the journal receiver is deleted,
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the system will call all of the exit programs registered for the
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QIBM_QJO_DLT_JRNRCV exit point. If any of the exit programs give an indication
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that the journal receiver is not eligible for deletion, then the journal
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receiver will not be deleted. Instead, the system will retry the deletion in
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the time specified for the DLTRCVDLY value for the journal. These system
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deletion attempts take place in system jobs, during an IPL and during the vary
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on of an independent ASP; therefore, the exit program will be allowed to run
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for only 5 minutes when called during either of these conditions. If the exit
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program has not completed in that time, the system cancels the call, and the
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journal receiver will not be considered eligible for deletion.<br>
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<p><strong>Note:</strong> Since these attempts do occur in system jobs, we
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recommend that the exit program not send any diagnostic, informational, or
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completion messages to the job log because those messages would only be in the
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system job logs.</p>
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</li>
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<li>If the delete journal receiver is called as part of process end, the exit
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program can run for only 5 minutes. If it exceeds 5 minutes, the call is
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canceled, and the journal receiver is not eligible for deletion.<br>
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</li>
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<li>During the call to the exit programs, the debug functions, accessed via
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Start Debug (STRDBG), are not available to help debug any exit program
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problems.<br>
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</li>
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<li>During the call to the exit programs the ASP group associated with the job
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will not be able to be changed. The ASP group associated with the job will be
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the ASP group associated with the journal receiver to be deleted.<br>
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</li>
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<li>The exit programs must exist in the system Auxiliary Storage Pool (ASP) or
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in a basic user ASP. It cannot exist in an independent ASP. Any ASP group could
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be associated with the job when the exit program is called. If the exit program
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is not found, the journal receiver will not be considered eligible for
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deletion.</li>
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</ul>
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<br>
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<h3>Authorities and Locks</h3>
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<dl>
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<dt><strong>User Profile Authority</strong></dt>
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<dd>*ALLOBJ and *SECADM to add exit programs to the registration facility</dd>
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<dd>*ALLOBJ and *SECADM to remove exit programs from the registration
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facility</dd>
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</dl>
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<br>
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<h3>Program Data</h3>
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<p>When you register the exit program, the following program data can be
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optionally provided. This program data specifies the user profile under which
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the exit program being registered will run. If the program data is not
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provided, the exit programs will run under the QUSER user profile.</p>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">Char(10)</td>
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<td align="left" valign="top" width="60%">User profile</td>
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</tr>
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</table>
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<br>
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<br>
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<h3>Required Parameter Group</h3>
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<dl>
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<dt>Delete journal receiver exit information</dt>
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<dd>INPUT; CHAR(*)
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<p>Information that is needed by the exit program for notification of any
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journal receiver deletions. For details, see <a href="#HDRDLTFMT1">Format of
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Delete Journal Receiver Exit Information</a>.</p>
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</dd>
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<dt>Status information</dt>
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<dd>OUTPUT; CHAR(*)
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<p>Information that is returned by the exit program stating whether the
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deletion can occur or not. For details, see <a href="#HDRDLTFMT2">Format of
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Status Information</a>.</p>
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</dd>
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</dl>
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<br>
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<h3><a name="HDRDLTFMT1">Format of Delete Journal Receiver Exit
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Information</a></h3>
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<p>The following table shows the structure of the delete journal receiver exit
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information for exit point format DRCV0100. For a description of the fields in
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this format, see <a href="#HDRDRCVI">Field Descriptions</a>.</p>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">BINARY(4)</td>
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<td align="left" valign="top" width="60%">Delete journal receiver exit information
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length</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">CHAR(20)</td>
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<td align="left" valign="top">Exit point name</td>
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</tr>
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<tr>
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<td align="center" valign="top">24</td>
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<td align="center" valign="top">18</td>
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<td align="left" valign="top">CHAR(8)</td>
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<td align="left" valign="top">Exit point format name</td>
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</tr>
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<tr>
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<td align="center" valign="top">32</td>
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<td align="center" valign="top">20</td>
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<td align="left" valign="top">CHAR(10)</td>
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<td align="left" valign="top">Journal receiver name</td>
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</tr>
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<tr>
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<td align="center" valign="top">42</td>
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<td align="center" valign="top">2A</td>
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<td align="left" valign="top">CHAR(10)</td>
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<td align="left" valign="top">Journal receiver library name</td>
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</tr>
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<tr>
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<td align="center" valign="top">52</td>
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<td align="center" valign="top">34</td>
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<td align="left" valign="top">CHAR(10)</td>
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<td align="left" valign="top">Journal name</td>
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</tr>
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<tr>
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<td align="center" valign="top">62</td>
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<td align="center" valign="top">3E</td>
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<td align="left" valign="top">CHAR(10)</td>
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<td align="left" valign="top">Journal library name</td>
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</tr>
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<tr>
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<td align="center" valign="top">72</td>
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<td align="center" valign="top">48</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Called by system job</td>
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</tr>
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<tr>
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<td align="center" valign="top">73</td>
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<td align="center" valign="top">49</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Called during IPL or vary on of an independent
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ASP.</td>
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</tr>
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<tr>
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<td align="center" valign="top">74</td>
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<td align="center" valign="top">4A</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Called during process end</td>
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</tr>
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<tr>
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<td align="center" valign="top">75</td>
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<td align="center" valign="top">4B</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Journal type</td>
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</tr>
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<tr>
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<td align="center" valign="top">76</td>
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<td align="center" valign="top">4C</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Remote journal type</td>
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</tr>
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<tr>
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<td align="center" valign="top">77</td>
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<td align="center" valign="top">4D</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Save status</td>
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</tr>
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<tr>
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<td align="center" valign="top">78</td>
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<td align="center" valign="top">4E</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Partial status</td>
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</tr>
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<tr>
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<td align="center" valign="top">79</td>
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<td align="center" valign="top">4F</td>
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<td align="left" valign="top">CHAR(13)</td>
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<td align="left" valign="top">Detached date and time</td>
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</tr>
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</table>
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<br>
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<br>
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<h3><a name="HDRDLTFMT2">Format of Status Information</a></h3>
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<p>The following table shows the structure of the status information. For a
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description of the fields in this format, see <a href="#HDRDRCVI">Field
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Descriptions</a>.</p>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">BINARY(4)</td>
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<td align="left" valign="top" width="60%">Delete status information length</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">CHAR(1)</td>
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<td align="left" valign="top">Delete status</td>
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</tr>
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</table>
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<br>
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<h3><a name="HDRDRCVI">Field Descriptions</a></h3>
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<p><strong>Called by system job.</strong> Whether this call was from a user job
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or a system job. The possible values are:</p>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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<tr>
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<td valign="top"><em>0</em></td>
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<td valign="top">The call is from a user job.</td>
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</tr>
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<tr>
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<td valign="top"><em>1</em></td>
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<td valign="top">The call is from a system job, and is therefore limited to 5
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minutes.</td>
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</tr>
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</table>
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<p><strong>Called during IPL or vary on of an independent ASP.</strong> Whether
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this call was during an IPL or during the vary on of an independent ASP. The
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possible values are:</p>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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<tr>
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<td valign="top"><em>0</em></td>
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<td valign="top">The call is not during an IPL or vary on of an independent
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ASP.</td>
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</tr>
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<tr>
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<td valign="top"><em>1</em></td>
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<td valign="top">The call is during an IPL or vary on of an independent ASP,
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and is therefore limited to 5 minutes.</td>
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</tr>
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</table>
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<p><strong>Called during process end.</strong> Whether this call was during
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process end. The possible values are:</p>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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<tr>
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<td valign="top"><em>0</em></td>
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<td valign="top">The call is not during process end.</td>
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</tr>
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<tr>
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<td valign="top"><em>1</em></td>
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<td valign="top">The call is during process end.</td>
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</tr>
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</table>
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<p><strong>Delete journal receiver exit information length.</strong> The length
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in bytes of all data passed to the delete journal receiver exit program.</p>
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<p><strong>Delete status.</strong> The status value that indicates whether the
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exit program considers the journal receiver eligible for deletion. The possible
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values are:</p>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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<tr>
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<td valign="top"><em>0</em></td>
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<td valign="top">The journal receiver is not eligible for deletion. Therefore,
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the delete journal receiver command will be ended, and the receiver will not be
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deleted.</td>
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</tr>
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<tr>
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<td valign="top"><em>1</em></td>
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<td valign="top">The journal receiver is eligible for deletion.</td>
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</tr>
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</table>
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<p><strong>Note:</strong> If any other value is specified for this item, it
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will be ignored, and the journal receiver will <strong>not</strong> be eligible
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for deletion.</p>
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<p><strong>Delete status information length.</strong> The length in bytes of
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all data returned from the Delete Journal Receiver exit program. The only valid
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value for this field is 5. If anything else is entered, the receiver is not
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considered eligible for deletion.</p>
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<p><strong>Detached date and time.</strong> The date and time that this journal
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receiver was detached from the journal. For a journal receiver that was
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attached to a *REMOTE journal, this is the date and time that the journal
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receiver was detached on the local system. This field is in the CYYMMDDHHMMSS
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format as follows:</p>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td valign="top"><em>C</em></td>
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<td valign="top">Century, where 0 indicates years 19<em>xx</em> and 1 indicates
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years 20<em>xx</em>.</td>
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</tr>
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<tr>
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<td valign="top"><em>YYYY</em></td>
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<td valign="top">Year</td>
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</tr>
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<tr>
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<td valign="top"><em>MM</em></td>
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<td valign="top">Month</td>
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</tr>
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<tr>
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<td valign="top"><em>DD</em></td>
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<td valign="top">Day</td>
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</tr>
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<tr>
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<td valign="top"><em>HH</em></td>
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<td valign="top">Hours</td>
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</tr>
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<tr>
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<td valign="top"><em>MM</em></td>
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<td valign="top">Minutes</td>
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</tr>
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<tr>
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<td valign="top"><em>SS</em></td>
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<td valign="top">Seconds</td>
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</tr>
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</table>
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<p>If the journal receiver was never attached to a journal, this field will be
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blank. If the journal receiver was never detached from a journal, or if this
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journal receiver is a partial receiver, this field will be all zeros.</p>
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<p><strong>Exit point format name.</strong> The format name for the delete
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journal receiver exit program. The possible format name follows:</p>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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|
<td valign="top"><em>DRCV0100</em></td>
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<td valign="top">The format name that is used before a user journal receiver is
|
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to be deleted.</td>
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</tr>
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|
</table>
|
|
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|
<p><strong>Exit point name.</strong> The name of the exit point that is calling
|
|
the exit program.</p>
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|
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|
<p><strong>Journal library name.</strong> The library name of the journal that
|
|
is associated with the journal receiver library being deleted. If there is no
|
|
journal associated with this journal receiver, this field will be blank.</p>
|
|
|
|
<p><strong>Journal name.</strong> The name of the journal that is associated
|
|
with the journal receiver being deleted. If there is no journal associated with
|
|
this journal receiver, this field will be blank.</p>
|
|
|
|
<p><strong>Journal receiver library name.</strong> The name of the journal
|
|
receiver library being deleted.</p>
|
|
|
|
<p><strong>Journal receiver name.</strong> The name of the journal receiver
|
|
being deleted.</p>
|
|
|
|
<p><strong>Journal type.</strong> An indication of whether the journal
|
|
currently associated with the journal receiver being deleted is local or
|
|
remote. The possible values are:</p>
|
|
|
|
<table cellpadding="5">
|
|
<!-- cols="15 85" -->
|
|
<tr>
|
|
<td valign="top"><em>blank</em></td>
|
|
<td valign="top">The journal receiver has not yet been attached to any journal
|
|
or the receiver is not currently associated with any journal.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>0</em></td>
|
|
<td valign="top">*LOCAL</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>1</em></td>
|
|
<td valign="top">*REMOTE</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<p><strong>Partial status.</strong> An indication of whether the journal
|
|
receiver is a partial receiver. A journal receiver is partial for one of the
|
|
following reasons:</p>
|
|
|
|
<ul>
|
|
<li>It was restored from a version that was saved while it was attached to the
|
|
journal. Additional journal entries may have been written that were not
|
|
restored.<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>It was one of a pair of dual journal receivers, and it was found damaged
|
|
while attached to the journal. The journal receiver has since been detached.
|
|
This journal receiver is considered partial because additional journal entries
|
|
may have been written to the dual journal receiver.<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>It is associated with a remote journal and it does not contain all the
|
|
journal entries that are in the associated journal receiver attached to the
|
|
source journal.</li>
|
|
</ul>
|
|
|
|
<p>The possible values are:</p>
|
|
|
|
<table cellpadding="5">
|
|
<!-- cols="5 95" -->
|
|
<tr>
|
|
<td valign="top"><em>0</em></td>
|
|
<td valign="top">The journal receiver is not a partial journal receiver.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>1</em></td>
|
|
<td valign="top">The journal receiver is a partial journal receiver.</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<p><strong>Remote journal type.</strong> If this journal receiver was attached
|
|
to a remote journal, this field is the remote journal type for that journal,
|
|
when this journal receiver was attached. The possible values are:</p>
|
|
|
|
<table cellpadding="5">
|
|
<!-- cols="10 90" -->
|
|
<tr>
|
|
<td valign="top"><em>blank</em></td>
|
|
<td valign="top">The journal receiver has not yet been attached to any
|
|
journal.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>0</em></td>
|
|
<td valign="top">The journal receiver was attached to a local journal.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>1</em></td>
|
|
<td valign="top">The journal receiver was attached to a *TYPE1 remote
|
|
journal.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>2</em></td>
|
|
<td valign="top">The journal receiver was attached to a *TYPE2 remote
|
|
journal.</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<p><strong>Save status.</strong> An indication of whether the journal receiver
|
|
has been saved after it was detached. The possible values are:</p>
|
|
|
|
<table cellpadding="5">
|
|
<!-- cols="5 95" -->
|
|
<tr>
|
|
<td valign="top"><em>0</em></td>
|
|
<td valign="top">The journal receiver has not been saved after it was
|
|
detached.</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td valign="top"><em>1</em></td>
|
|
<td valign="top">The journal receiver has been saved after it was
|
|
detached.</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<p><strong>User profile.</strong> The exit program will be called under this
|
|
user profile. If the user profile is not valid at the time the exit programs
|
|
are called, the QUSER user profile will be used.</p>
|
|
|
|
<br>
|
|
<h3>IPL Processing Guidelines</h3>
|
|
|
|
<p>The following operations may be performed during the IPL. If any other
|
|
actions take place, the Delete Journal Receiver exit program may not run
|
|
successfully or the results will be unpredictable.</p>
|
|
|
|
<ul>
|
|
<li>Working with physical files, including creating, changing, opening,
|
|
closing, clearing, and deleting<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>Database input and output operations<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>Working with data areas, including creating, changing, retrieving, and
|
|
deleting<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>Working with data queues, including creating and deleting<br>
|
|
<br>
|
|
</li>
|
|
|
|
<li>Working with message queues, including creating, clearing, changing, and
|
|
deleting</li>
|
|
</ul>
|
|
|
|
<p>Some examples of things your exit program might not be able to do during IPL
|
|
are:</p>
|
|
|
|
<ul>
|
|
<li>Signal any inquiry messages</li>
|
|
|
|
<li>Submit any other jobs</li>
|
|
|
|
<li>Use or attempt to start any remote communications activities</li>
|
|
|
|
<li>Start any subsystems</li>
|
|
</ul>
|
|
|
|
<br>
|
|
|
|
|
|
<hr>
|
|
API introduced: V4R2
|
|
|
|
<hr>
|
|
<center>
|
|
<table cellpadding="2" cellspacing="2">
|
|
<tr align="center">
|
|
<td valign="middle" align="center"><a href="#top_Of_Page">top</a> | <a href=
|
|
"jc1.htm">Journal and Commit APIs</a> | <a href="aplist.htm">APIs by
|
|
category</a></td>
|
|
</tr>
|
|
</table>
|
|
</center>
|
|
</body>
|
|
</html>
|
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|