From owner-freebsd-questions  Thu Sep  3 15:42:10 1998
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Date: Thu, 3 Sep 1998 15:35:50 -0700 (PDT)
From: Tom Bartol <bartol@salk.edu>
To: "Daniel M. Eischen" <deischen@iworks.interworks.org>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: pthread_attr_setscope missing from libc_r ???
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Thanks!  I'm trying this now.  VTK is trying to set it to
PTHREAD_SCOPE_SYSTEM but hopefully it won't break anything to comment out
the code.  I'll find out shortly...

Tom


On Thu, 3 Sep 1998, Daniel M. Eischen wrote:

> 
> > I'm trying to compile VTK (a multithreaded viz tool kit) but I'm getting
> > the following error in the final link step:
> >
> > vtkMultiThreader.o: Undefined symbol `_pthread_attr_setscope' referenced
> > from text segment
> 
> Just comment out the code that calls pthread_attr_setscope in VTK.
> FreeBSD doesn't have it yet, and until kernel threads come, it'll
> always be PTHREAD_SCOPE_PROCESS anyways.
> 
> > which seems to suggest that I'm missing the pthread_attr_setscope
> > function.  The function should exist according to the pthread(3) man page. 
> 
> Well, it's defintely not implemented yet, but it would be simple
> enough to add to libc_r.  Trying to set it to PTHREAD_SCOPE_SYSTEM
> would return EINVAL until kernel threads come.
> 
> Dan Eischen
> deischen@iworks.InterWorks.org
> 


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