262 lines
8.0 KiB
HTML
262 lines
8.0 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>Set To Profile Token (QSYSETPT, QsySetToPrfTkn) API</title>
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<!-- Begin Header Records ========================================== -->
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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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<!-- QSYSETPT SCR450 A converted by B2H R4.1 (346) (CMS) by V2DCIJB -->
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<!-- at RCHVMW2 on 2 Oct 1999 at 10:25:04 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- Edited by Kersten Jan 02 -->
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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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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>Set To Profile Token (QSYSETPT, QsySetToPrfTkn) API</h2>
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<p><img src="delta.gif" alt="Start of change"></p>
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<div class="box" style="width: 60%;">
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<br>
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Required Parameter Group for QSYSETPT:<br>
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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%">Profile token</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(32)</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">Error code</td>
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<td align="left" valign="top">I/O</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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Default Public Authority: *USE<br>
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<br>
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Threadsafe: Yes<br>
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<br>
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</div>
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<br>
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<div class="box" style="width: 60%;">
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<br>
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Syntax for QsySetToPrfTkn:<br>
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<pre>
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#include <qsyptkn.h>
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void QsySetToPrfTkn
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(unsigned char *<em>Profile_token</em>,
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void *<em>Error_code</em>);
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</pre>
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Service Program: QSYPTKN<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p><img src="deltaend.gif" alt="End of change"></p>
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<p>The Set To Profile Token (OPM, QSYSETPT; ILE, QsySetToPrfTkn) API validates
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the profile token and changes the current thread to run under the user and
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group profiles represented by the profile token.</p>
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<p>The qualified job name does not change to reflect the new user profile. Any
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object, however, created by the thread while running under the new profile is
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owned by the new profile or its group profile. If the job is running single
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threaded and the job user identity has not been explicitly set by an API, the
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job user identity is changed to the name of the new profile. If the job is
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running multithreaded, the job user identity does not change.</p>
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<p>If the profile token is not valid, this API signals the message CPF2274 and
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puts an AF-W audit entry in the QAUDJRN audit journal.</p>
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<p>If you use this API to begin running under a specific profile, any spooled
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files created are, by default, owned by that profile. This is controlled by the
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spool file owner (SPLFOWN) parameter on the CRTPRTF command and is done by
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putting the spooled file under a QPRTJOB job. Any spooled file command that
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references the spooled file with the job special value * will access only those
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files that were created before the profiles were swapped.</p>
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<br>
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<h3>QPRTJOB</h3>
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<p>A QPRTJOB job is the name of a job under which files are spooled when the
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current job's user name is not the same as the user profile running currently.
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For example, if you use this API to set the profile to user JOE and create a
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spooled file, the file is spooled under job nnnnnn/JOE/QPRTJOB. This ensures
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that user JOE owns the spooled file and if that user uses the WRKSPLF command,
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the file is displayed.</p>
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<br>
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<h3>Output Queue Considerations</h3>
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<p>The output queue that a spooled file is placed in may be different after
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using this API. If the application using this API produces spooled output that
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needs to be on a secure output queue or the application is expecting the
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spooled output to be found on a particular output queue,
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configuration changes may be required.
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See the <a href="../rzahg/rzahgprint.htm">Printing</a> topic for
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information about which output queue contains the
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spooled output.</p>
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<br>
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<h3>Authorities and Locks</h3>
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<dl>
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<dt><em>API Public Authority</em></dt>
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<dd>*USE</dd>
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</dl>
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<br>
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<h3>Required Parameter Group</h3>
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<dl>
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<dt><strong>Profile token</strong></dt>
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<dd>INPUT; CHAR(32)
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<p>The profile token returned by the Generate Profile Token (QSYGENPT,
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QsyGenPrfTkn)API or Generate Profile Token From Profile Token (QSYGENFT,
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QsyGenPrfTknFromPrfTkn) API that represents the user profile to which to
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switch.</p>
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<br>
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</dd>
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<dt><strong>Error code</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return error information. For the format of the
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structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>.</p>
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</dd>
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</dl>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td align="left" valign="top">CPF18A8 E</td>
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<td align="left" valign="top">Error occured during set profile to profile token.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF2225 E</td>
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<td align="left" valign="top">Not able to allocate internal system object.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF2274 E</td>
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<td align="left" valign="top">Profile token is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF1 E</td>
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<td align="left" valign="top">Error code parameter not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C36 E</td>
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<td align="left" valign="top">Number of parameters, &1, entered for this API was not
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valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C90 E</td>
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<td align="left" valign="top">Literal value cannot be changed.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9872 E</td>
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<td align="left" valign="top">Program or service program &1 in library &2 ended.
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Reason code &3.</td>
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</tr>
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</table>
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<br>
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<h3>Usage Notes</h3>
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<h4>Considerations for Scope and Thread Safety</h4>
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<p>This API sets the user profile for the thread in which it is called. Thus,
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if the API is called while running multithreaded, it will result in different
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threads in the same process simultaneously running under different user
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profiles.</p>
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<p>While this API itself is threadsafe, it should only be used in a job that is
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running multithreaded when all code running in the job is known to be trusted
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and operating in a coordinated manner. Some considerations when running
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multiple threads under different user profiles are:</p>
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<ul>
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<li>The design of threads is for every thread in the job to share the same
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resources. With threads, programs share the same static and heap storage, and
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by passing pointers, they can get at each other's automatic storage. They also
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share open files and other resources, such as the same QTEMP library and the
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profile tokens used by this API.</li>
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<li>Assume two users are allowed to run their own commands or programs in
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different threads of a single job. One of the users may be able to read or
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write data of the other user. This access may occur without the system doing an
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authority check or even auditing the fact that they read or modified the
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data.</li>
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</ul>
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<br>
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<hr>
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API introduced: V4R5
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<hr>
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<table align="center" cellpadding="2" cellspacing="2">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"sec.htm">Security APIs</a> | <a href="aplist.htm">APIs by category</a></td>
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</tr>
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</table>
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</body>
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</html>
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