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Date:      Thu, 10 Jan 2002 11:16:33 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Dan Eischen <eischen@vigrid.com>
Cc:        Peter Wemm <peter@wemm.org>, Nate Williams <nate@yogotech.com>, Daniel Eischen <eischen@pcnet1.pcnet.com>, Archie Cobbs <archie@dellroad.org>, Alfred Perlstein <bright@mu.org>, arch@FreeBSD.ORG
Subject:   Re: Request for review: getcontext, setcontext, etc
Message-ID:  <3C3DE891.99C85D24@mindspring.com>
References:  <20020110091018.0788A38CC@overcee.netplex.com.au> <3C3D8C47.D3B11B87@vigrid.com>

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Dan Eischen wrote:
> I think we determined that the only time we care about the FP state is
> when sending a signal.  In that case, the kernel should know how to
> get the FPU state and copy it out to the context.  If there are
> different FPU formats, there is a flags word that can be set accordingly
> and the userland setcontext() can be made to account for different
> floating point formats.
> 
> Currently the kernel doesn't save the FPU state in the sigcontext,
> but it should.  Wouldn't this solve the problem?

What problem?

Using FP code in signal handlers isn't legal.  Why does everyone
want to do Bezier curves in signal handlers?

-- Terry

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