Re: [xml] libxml2 and pthreads

[Daniel Veillard <veillard redhat com>]

On Thu, Aug 19, 2004 at 03:29:30PM -0700, Ben Greear wrote:
> Daniel Veillard wrote:
> > On Thu, Aug 19, 2004 at 12:57:31PM -0700, Ben Greear wrote:
>
> >  That would force existing threaded apps using libxml2 to change
> > their initialization code, basically an API/ABI break. Impossible at this
> > point, sorry !
>
> Not really.  The default behaviour could have the current initialization 
> code
> initialize the locks with pthread-related methods.  But, if a distribution
> wanted to have a pthread-less (but still potentially thread-safe) libxml,
> then they can compile it w/out pthreads and patch any threaded applications
> to use the new external lock initialization logic.

  Okay why not, but it won't change the requirement on pthreads by
default if compiled with --with-threads on Linux. If you make a patch I
will look at it :-)

> >  There is an alternative, at least on Linux/gcc but Jakub never provided
> > the patch or information on how to really do so:
> >
> >  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=115806
>
> This is not available to non-redhat people it seems.

 Basically using "#pragma weak" for the symbols referenced from libpthread
but this is a glibc/gcc specific solution.

Daniel

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