Re: [xml] XPath supposed to be thread safe with global, read-only contexts?

[Daniel Veillard <veillard redhat com>]

On Thu, Dec 18, 2003 at 06:04:40PM +0100, Stephan A Suerken wrote:
> Hi,
>
> we have problems evaluating XPath expressions in a multi-threaded
> environment - i.e.:
>
> We have a (multi-thread-environment-)global read only document
> (xmlDoc) and associated global context (xmlXPathContext). Calling
> xmlXPathEvalExpression() with that context ist _not_ thread safe (I
> have so far boiled it down to the internal xmlXPathEvalExpr).

  the document is read-only it can be shared.
but each thread need to have it own xmlXPathContext which is read/write !

Daniel

-- 
Daniel Veillard      | Red Hat Network https://rhn.redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/