372 lines
8.8 KiB
HTML
372 lines
8.8 KiB
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<!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>xa_commit()--Commit an XA Transaction Branch</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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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- UNIX11 SCRIPT A converted by B2H R4.1 (346) (CMS) by V2DCIJB at -->
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<!-- RCHVMW2 on 1 Jun 1999 at 16:14:12 -->
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<!-- Edited by Kersten Feb 02 -->
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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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<!-- 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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<a name="Top_Of_Page"></a>
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<h2>xa_commit()-- Commit an XA Transaction Branch (Transaction Scoped
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Locks</h2>
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<div class="box" style="width: 80%;">
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<br>
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Syntax<br>
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<pre>
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#include <xa.h>
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int xa_switch.xa_commit_entry(XID <em>*xid</em>,
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int <em>rmid</em>, long <em>flags</em>);
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</pre>
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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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Service Program: QTNXADTP<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>A transaction manager calls <strong>xa_commit()</strong> to commit the work
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associated with <em>*xid</em>. All changes that were made to resources managed
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by DB2 UDB for iSeries during the transaction branch are made permanent.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>xid</strong></dt>
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<dd>(Input) A pointer to the transaction branch identifier. This identifier was
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generated by the transaction manager when the transaction branch was
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started.<br>
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<br>
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</dd>
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<dt><strong>rmid</strong></dt>
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<dd>(Input) An integer value that the transaction manager generated when
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calling <strong>xa_open()</strong>. The rmid identifies the resource
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manager.<br>
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<br>
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</dd>
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<dt><strong>flags</strong></dt>
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<dd>(Input) Following are the valid settings of <em>flags</em>.
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<p><em>TMNOWAIT:</em> 0x10000000L Do not commit the transaction if a blocking
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condition exists.</p>
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<p><em>TMONEPHASE:</em> 0x40000000L Use the one-phase commit optimization for
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the specified transaction branch.</p>
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<p><em>TMNOFLAGS:</em> 0x00000000L Use if no other flags are set.</p>
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</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>None</p>
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<br>
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<h3>Return Value</h3>
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<p>The following values may be returned only if
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<em>TMONEPHASE</em>(0x40000000L) was set in the <em>flags</em>
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parameter.</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 align="left" valign="top"><em>100</em></td>
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<td align="left" valign="top">[XA_RBROLLBACK]
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<p>The transaction branch was rolled back for an unspecified reason.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>101</em></td>
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<td align="left" valign="top">[XA_RBCOMMFAIL]
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<p>A communications failure occurred within the resource manager.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>102</em></td>
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<td align="left" valign="top">[XA_RBDEADLOCK]
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<p>A deadlock condition was detected within the resource manager.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>103</em></td>
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<td align="left" valign="top">[XA_RBINTEGRITY]
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<p>The resource manager detected a violation of the integrity of its
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resources.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>104</em></td>
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<td align="left" valign="top">[XA_RBOTHER]
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<p>The resource manager rolled back the transaction branch for a reason not on
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this list.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>105</em></td>
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<td align="left" valign="top">[XA_RBPROTO]
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<p>A protocol error occurred in the resource manager.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>106</em></td>
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<td align="left" valign="top">[XA_RBTIMEOUT]
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<p>A timeout occurred in the resource manager.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>107</em></td>
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<td align="left" valign="top">[XA_RBTRANSIENT]
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<p>A transient error was detected in the resource manager.</p>
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</td>
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</tr>
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</table>
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<br>
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<p>The following values may be returned for all <em>flags</em> settings.</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 align="left" valign="top"><em>-7</em></td>
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<td align="left" valign="top">[XAER_RMFAIL]
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<p>An error occurred that makes the resource manager unavailable.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>-6</em></td>
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<td align="left" valign="top">[XAER_PROTO]
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<p><strong>xa_commit()</strong> was not successful. Function was called in an
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improper context.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>-5</em></td>
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<td align="left" valign="top">[XAER_INVAL]
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<p><strong>xa_commit()</strong> was not successful. Incorrect arguments were
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specified.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>-4</em></td>
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<td align="left" valign="top">[XAER_NOTA]
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<p>The specified <em>xid</em> is not known by the resource manager.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>-3</em></td>
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<td align="left" valign="top">[XAER_RMERR]
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<p><strong>xa_commit()</strong> was not successful. The resource manager
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detected an error when committing the transaction branch.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>-2</em></td>
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<td align="left" valign="top">[XAER_ASYNC]
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<p><strong>xa_commit()</strong> was not successful. The resource manager does
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not support asynchronous operations.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>0</em></td>
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<td align="left" valign="top">[XA_OK]
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<p><strong>xa_commit()</strong> was successful.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>4</em></td>
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<td align="left" valign="top">[XA_RETRY]
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<p>The resource manager is unable to commit the transaction branch at this
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time. <em>TMNOWAIT</em>(0x10000000L) was set and a blocking condition exists.
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All resources held on behalf of <em>*xid</em> remain in a prepared state. The
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transaction manager should issue <strong>xa_commit()</strong> again at a later
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time.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>5</em></td>
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<td align="left" valign="top">[XA_HEURMIX]
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<p>Work on the transaction branch was partially committed and partially rolled
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back.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>6</em></td>
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<td align="left" valign="top">[XA_HEURRB]
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<p>Work on the transaction branch was heuristically rolled back.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>7</em></td>
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<td align="left" valign="top">[XA_HEURCOM]
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<p>Work on the transaction branch was heuristically committed.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>8</em></td>
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<td align="left" valign="top">[XA_HEURHAZ]
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<p>Work on the transaction branch may have been heuristically completed.</p>
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</td>
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</tr>
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</table>
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<br>
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<h3>Error Messages</h3>
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<p>The following messages may be sent from this function.</p>
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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" nowrap>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 width="15%" valign="top">CPE3418 E</td>
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<td width="85%" valign="top">Possible APAR condition or hardware failure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF2 E</td>
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<td align="left" valign="top">Error(s) occurred during running of &1
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API.</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
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&2 ended. Reason code &3.</td>
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</tr>
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</table>
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<br>
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<h3>Related Information</h3>
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<ul>
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<li>X/Open CAE Specification, December 1991, Distributed Transaction
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Processing: The XA Specification (ISBN:1-872630-24-3, C193 or XO/CAE/91/300),
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The Open Group.<br>
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<br>
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</li>
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<li>X/Open CAE Specification, April 1995, Distributed Transaction Processing:
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The TX (Transaction Demarcation) Specification (ISBN:1-85912-094-6, C504), The
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Open Group.</li>
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</ul>
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<br>
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<h3>Example</h3>
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<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
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for information pertaining to code examples.</p>
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<pre>
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#include <xa.h>
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main() {
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XID *xid;
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int rmid;
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long flags;
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int retcode;
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extern struct xa_switch_t xa_switch;
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retcode =
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xa_switch.xa_commit_entry(xid, rmid, flags);
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}
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</pre>
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<br>
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<hr>
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API introduced: V5R2
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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> | <a href=
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"unix.htm">UNIX-Type 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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</center>
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</body>
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</html>
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