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List:       xerces-c-dev
Subject:    [jira] Updated: (XERCESC-1652) DOMDocumentTypeImpl is not thread
From:       "Jesse Pelton (JIRA)" <xerces-c-dev () xml ! apache ! org>
Date:       2006-11-28 20:12:24
Message-ID: 31796315.1164744744498.JavaMail.jira () brutus
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     [ http://issues.apache.org/jira/browse/XERCESC-1652?page=all ]

Jesse Pelton updated XERCESC-1652:
----------------------------------

    Attachment: DOMDocumentTypeImpl.diff

> DOMDocumentTypeImpl is not thread safe
> --------------------------------------
> 
> Key: XERCESC-1652
> URL: http://issues.apache.org/jira/browse/XERCESC-1652
> Project: Xerces-C++
> Issue Type: Bug
> Components: DOM
> Affects Versions: 2.7.0
> Environment: Multithreaded programs
> Reporter: Jesse Pelton
> Attachments: DOMDocumentTypeImpl.diff
> 
> 
> DOMDocumentTypeImpl.cpp uses a static gDocTypeDocument() method to return a \
> singleton doctype document that provides various utility services (allocating named \
> node maps, cloning strings, and so on). Any calls to methods of this static \
> document that can modify its instance data, including calls that allocate memory, \
> must be synchronized to keep the document's state consistent. Patch against the \
> trunk to follow, but note that it should be reviewed carefully. First, I pretty \
> much blindly copied the synchronization code from DOMImplementationRegistry.cpp and \
> may have gotten something wrong. Second, the patch is adapted from changes I made \
> to v2.7.0 code and has not been tested (or even compiled) (Updates to the trunk \
> prevent successful application of a patch against v2.7.0 to code from the trunk.) \
> And lastly, it's possible that the trunk updates obsolete my patch, though it still \
> seems relevant.

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