[xml] XML/XSLT in a multithreaded environment

[Julius Mittenzwei <julius muenchen-sued de>]

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Hi ;-)

Im writing sort of middleware which stores XML-data and XSL-stylesheets in STL-containers to keep away load 
from my webfrontends and my database-servers.

Therefore i use the libxml/libxslt in a multithreaded environment with locking mechanisms provided by the 
ACE-Framework.

But i have one problem. I cant call xsltCleanupGlobals(); or xmlCleanupParser(); because this data may be 
used by other threads.
On the other hand, there must be some data which isnt freed allocated by xsltApplyStylesheet(). How can I 
free this data, without causing a segfault?

/Regards
Julius Mittenzwei
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