RE: [xml] Differences in DOM parsing on Windows and UNIX?

["Stéphane Bidoul" <stephane bidoul softwareag com>]

I can't test on Solaris.
Any chance you can trace what's going on in
xmlOnceInit(), where mainthread is initialized?

-sbi

> -----Original Message-----
> From: Ed Day [mailto:eday obj-sys com]
> Sent: 13 October, 2003 19:19
> To: Stéphane Bidoul
> Cc: xml gnome org
> Subject: Re: [xml] Differences in DOM parsing on Windows and UNIX?
>
>
> The problem appears to be that xmlIsMainThread does not work
> on Solaris.  I
> put the following diag messages into the code:
>
> #ifdef HAVE_PTHREAD_H
>    result = (mainthread == pthread_self());
>    printf ("mainthread = %x, pthread_self() = %x, result = %d\n",
>            mainthread, pthread_self(), result);
>    return (result);
>    /* return(mainthread == pthread_self()); */
>    ...
>
> The result of this printf is as follows:
>
> mainthread = 0, pthread_self() = 1, result = 0
>
> Regards,
>
> Ed Day
>
> ----- Original Message -----
> From: "Stéphane Bidoul" <stephane bidoul softwareag com>
> To: "'Ed Day'" <eday obj-sys com>
> Cc: <xml gnome org>
> Sent: Saturday, October 11, 2003 6:59 AM
> Subject: RE: [xml] Differences in DOM parsing on Windows and UNIX?
>
>
> > > Well, there is not that much to it.  When the code was as follows:
> > >
> > >          xmlInitParser();
> > >          xmlKeepBlanksDefault(0);
> > >          xmlLineNumbersDefault(1);  // set line numbers
> > >
> > >          pXmlDoc = xmlParseFile (fileSpec);
> > >
> > >          if (0 == pXmlDoc) {
> > >             printf ("Error parsing XML file\n");
> > >             return 1;
> > >          }
> > >
> > >          xmlCleanupParser();
> > >
> > > I got the blank nodes.  When I changed it to:
> > >
> > >          xmlInitParser();
> > > #ifdef LIBXML_THREAD_ENABLED
> > >          xmlThrDefKeepBlanksDefaultValue(0);
> > > #else
> > >          xmlKeepBlanksDefault(0);
> > > #endif
> > >          xmlLineNumbersDefault(1);  // set line numbers
> > >
> > >          pXmlDoc = xmlParseFile (fileSpec);
> > >
> > >          if (0 == pXmlDoc) {
> > >             printf ("Error parsing XML file\n");
> > >             return 1;
> > >          }
> > >
> > >          xmlCleanupParser();
> > >
> > > They went away.
> >
> > I really don't see why it would be different for
> xmlKeepBlanksDefault
> > and xmlLineNumbersDefault: all globals are treated equally
> > in libxml (I'm pretty sure, because that code is actually
> generated).
> > You should check again, IMHO.
> >
> > > It really should not be necessary for me to have to deal with
> > > a #define like
> > > LIBXML_THREAD_ENABLED in my mainline code.
> >
> > If your program has only one thread, you don't need to.
> > Just have a look at xmllint.c: it only
> > does xmlKeepBlanksDefault(0) and that does not
> > depend on LIBXML_THREAD_ENABLED.
> >
> > Assume test.xml:
> >
> > <!DOCTYPE a [
> > <!ELEMENT a (b)>
> > <!ELEMENT b EMPTY>
> > ]>
> > <a>
> >     <b/>
> > </a>
> >
> > ~>xmllint --noblanks test.xml
> > <?xml version="1.0"?>
> > <!DOCTYPE a [
> > <!ELEMENT a (b)>
> > <!ELEMENT b EMPTY>
> > ]>
> > <a><b/></a>
> >
> > If your program has several threads, either
> > do xmlThrDefKeepBlanksDefaultValue() before creating
> > your threads or do xmlKeepBlanksDefault() in each thread.
> >
> > -sbi
> >
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