Re: ulocks.h and barriers

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From: Tom Flynn (flynnt++at++cthulhu.engr.sgi.com)
Date: 07/12/2001 15:32:37

On Thu, 12 Jul 2001, Brian Furtaw wrote:

> Mark,
>
> As far as I can tell it is included in pr.h to support arena ulocks and
> usptr. I would not count on features in the ulocks.h header file being
> implemented. I believe only features that Performer required to run
> where implemented.

Precisely.
-tom

>
> Brian
>
> Mark Acosta wrote:
> >
> > Brian,
> >
> > Then what is the purpose of the ulocks.h file under Linux? Is there
> > some part of the header that is usable by the application programmer? Just
> > wondering.
> >
> > Mark Acosta
> > Magic Earth
> >
> > -----Original Message-----
> > From: Brian Furtaw [mailto:brian++at++sgi.com]
> > Sent: Thursday, July 12, 2001 7:58 AM
> > To: Mark Acosta
> > Cc: Info-Performer (E-mail)
> > Subject: Re: ulocks.h and barriers
> >
> > Mark,
> >
> > You have answered your own question. IRIX's libc barrier implementation
> > is specific to IRIX use pfuBarrier under Linux.
> >
> > Brian
> >
> > Mark Acosta wrote:
> > >
> > > I have some barrier code in my performer application. I'm porting to Linux
> > > and I noticed that the Performer package includes ulocks.h which has the
> > > declaration for all the barrier functions. But when I link, I get
> > unresolved
> > > references for the barrier routines. Are these available? Is so, where are
> > > they? I noticed that there are some pfuBarrier routines in Performer 2.4.
> > > Should I be using these instead?
> > >
> > > Thanks,
> > >
> > > Mark Acosta
> > > Magic Earth
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> > --
> > ----oOOo---- ----oOOo---- ----oOOo---- ----oOOo----
> >
> > Brian Furtaw (brian++at++sgi.com)
> > Graphics Guru Office:(301)572-3293 Fax: (253)323-8182
> > 12200-G Plum Orchard Drive OpenGL/Performer/OpenInventor/ImageVision
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> > Drivers
> > -----------------------------------------------------------------------
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>
> --
> ----oOOo---- ----oOOo---- ----oOOo---- ----oOOo----
>
> Brian Furtaw (brian++at++sgi.com)
> Graphics Guru Office:(301)572-3293 Fax: (253)323-8182
> 12200-G Plum Orchard Drive OpenGL/Performer/OpenInventor/ImageVision
> Silver Spring, Maryland 20904 Volumizer/Optimizer/React/PCI Device
> Drivers
> -----------------------------------------------------------------------
> List Archives, FAQ, FTP: http://www.sgi.com/software/performer/
> Open Development Project: http://oss.sgi.com/projects/performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
> 

--
"Mongooses are famous for their snake-fighting ability, and are
 almost always victorious because of their speed, agility, and timing
 and also because of their thick coat."

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