231 lines
6.9 KiB
HTML
231 lines
6.9 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>Close Stream (QzdmCloseStream) API</title>
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<!--File Edited December, 2001 =========================================== -->
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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 type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<h2>Close Stream (QzdmCloseStream) API</h2>
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<div class="box" style="width: 60%;">
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Required Parameter Group:<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%">Request variable</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">Length of request variable</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">3</td>
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<td align="left" valign="top">Format name of request variable</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(8)</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="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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Library Name / Service Program: QSOC/QZDMMDTA<br>
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<br>
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Default Public Authority: *EXCLUDE<br>
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<br>
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Threadsafe: No<br>
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<br>
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</div>
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<p>The Close Stream (QzdmCloseStream) API is used to close an OptiConnect stream. The Close Stream (QzdmCloseStream) API should be performed after the stream is no longer needed to free the system resources associated with the stream.</p>
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<br>
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<h3>Restrictions</h3>
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<p>The following restrictions apply:</p>
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<ul>
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<li>The OptiConnect QSOC subsystem must be started on the system prior to calling this API.<br><br></li>
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<li>A stream must be opened to the OptiConnect device driver on the system by using the Open Stream (QzdmOpenStream) API prior to calling this API.</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><em>Service Program Authority</em></dt>
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<dd>*EXECUTE</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>Request variable</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The request variable structure that describes the input for the Close Stream (QzdmCloseStream) API.</p>
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</dd>
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<dt><strong>Length of request variable</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The length of the request variable, in bytes. The length of the request variable must be at least equal to the length of the input format, and less than or equal to the maximum length of 4KB.</p>
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</dd>
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<dt><strong>Format name of request variable</strong></dt>
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<dd>INPUT; CHAR(8)
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<p>The format of the information that is provided as input for the Close Stream (QzdmCloseStream) API. The CSTR0100 format is used by this API for the request variable. See <a href="#HDRCLST100">CSTR0100 Format</a> for more information on the CSTR0100 format.</p>
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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 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><a name="HDRCLST100">CSTR0100 Format</a></h3>
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<p>The following table defines the information required for Format CSTR0100.</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(16)</td>
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<td align="left" valign="top" width="60%">Stream identifier</td>
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</tr>
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</table>
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<br><br>
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<h3><a name="HDRCLSTFLD">Field Descriptions</a></h3>
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<p><strong>Stream identifier.</strong> The OptiConnect stream that is to be closed. This field is provided as output with the Open Stream (QzdmOpenStream) API.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="3">
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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">CPF24B4 E</td>
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<td valign="top">Severe error while addressing parameter list.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C1D E</td>
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<td valign="top">Length specified in parameter &1 not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C21 E</td>
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<td valign="top">Format name &1 is not 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 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">CPF3CF1 E</td>
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<td 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">CPF9872 E</td>
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<td valign="top">Program or service program &1 in library &2 ended. Reason code &3.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFADF0 E</td>
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<td valign="top">The OptiConnect QSOC subsystem must be active.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFADF1 E</td>
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<td valign="top">OptiConnect communication error.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFADF5 E</td>
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<td valign="top">OptiConnect API internal error, function code &1, return code &2.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFADF6 E</td>
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<td valign="top">Request variable not valid, reason code &1.</td>
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</tr>
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</table>
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<br>
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<hr>
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API introduced: V3R7
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<hr>
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<center>
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<table 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> |
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<a href="comm.htm">Communications APIs</a> | <a href="aplist.htm">APIs by
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category</a></td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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