[xsd-users] Reentrant parser?

[Boris Kolpackov]

Hi Mark,

mhoffm1060 at aol.com <mhoffm1060 at aol.com> writes:

> I was wondering if the xml parsing method ( for istreams ) is reentrant?

Yes, it is.


> ( Or does each call to the method use the same instance of the Xerces
> parser? )

No, each call creates a new parser.


> Basically I have an object that can potentially try to parse two XML
> files in different thread contexts, and it is crashing in the Xerces DLL ).

You will need to call xercesc::XMLPlatformUtils::Initialize() and
xercesc::XMLPlatformUtils::Terminate() in your main() as well as
pass the xml_schema::flags::dont_initialize to the parsing function.

Xerces-C++ Initialize() and Terminate() are not safe to call from
separate threads and that's exactly what may happen when you call
one of the parsing functions from two different threads.


hth,
-boris
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