Re: New nvidia drivers available

From: Daniel Eischen <deischen_at_freebsd.org>
Date: Sun, 15 Aug 2004 10:03:05 -0400 (EDT)
On Sun, 15 Aug 2004, Doug Rabson wrote:

> On Sunday 15 August 2004 14:47, Daniel Eischen wrote:
> > On Sun, 15 Aug 2004, Doug Rabson wrote:
> > > > Same error message here when starting neverball. If I map
> > > > libpthread->libc_r it's working again.
> > > >
> > > > xawtv also stopped working. Fortunately setting -xvport manually
> > > > did fix that.
> > >
> > > This might be because libGL calls libpthread's version of open()
> > > before libpthread has initialised properly. This patch might fix it
> > > - it fixes neverball's map compiler for me but I haven't actually
> > > run neverball itself.
> > >
> > > Index: thr_open.c
> > > ===================================================================
> > > RCS file: /home/ncvs/src/lib/libpthread/thread/thr_open.c,v
> > > retrieving revision 1.16
> > > diff -u -r1.16 thr_open.c
> > > --- thr_open.c	9 Dec 2003 02:20:56 -0000	1.16
> > > +++ thr_open.c	15 Aug 2004 09:19:42 -0000
> > > _at__at_ -45,11 +45,15 _at__at_
> > >  int
> > >  __open(const char *path, int flags,...)
> > >  {
> > > -	struct pthread *curthread = _get_curthread();
> > > +	struct pthread *curthread;
> > >  	int	ret;
> > >  	int	mode = 0;
> > >  	va_list	ap;
> > >
> > > +	if (_thr_initial == NULL)
> > > +		_libpthread_init(NULL);
> > > +
> > > +	curthread = _get_curthread();
> >
> > I thought the C++ style constructor in thr_autoinit.c is supposed
> > to take care of things like this?
>
> The problem is that there is no particular ordering for constructors. In
> the case with neverball, the C++ constructor in libGL which initialises
> OpenGL ran first and quite reasonably tried to call open(2). This was
> intercepted by libpthread, which hadn't yet had its constructor called.

Is there something else we can do so that libpthread gets
initialized first?  Use _init()?  I'm not sure how to
not add that when building static libpthread though (let's
kill static libpthread!).

-- 
Dan Eischen
Received on Sun Aug 15 2004 - 12:03:08 UTC

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