Re: [xml] Thread check

[Daniel Veillard <veillard redhat com>]

On Tue, Nov 19, 2002 at 02:16:32PM -0000, spinmar interfree it wrote:
> Hi,
>
> In my application I build a xml tree taking informations from diffrent sources: well I'd like to improve 
> the performance and so to use threads.

  hum ... as long as the tree is read-only that's should be fine

> My system is linux red hat 8.0: libxml2 (rpm package) was installed by default. How can I know if the 
> libexml2 has been installed with the option --with threads?

  I built that package, the thread option is not enabled.

> I have different functions: each one parses a specific source and then adds the extracted informations in 
> the same xmlDocPtr. 
> Shall I use xmlMutexPtr?

  to serialize access to the xmlDocPtr, yes. But the library ain't compiled
with threads support...

> In libxml2 shall I use:
>
> xmlNewMutex
> .......
> xmlMutexLocK
> /* read write global data */
> xmlMutexUnlock
> .......
> ?

  You won't need it for read but you will need it for writes...
try to avoid writing concurrently to the same document, use another mechanism
if you can...

Daniel

-- 
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