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Date:      Mon, 6 Jan 2003 16:13:36 -0800 (PST)
From:      John Polstra <jdp@polstra.com>
To:        sparc@freebsd.org
Cc:        tmm@freebsd.org
Subject:   Re: (hopefully) working libc_r for sparc64
Message-ID:  <200301070013.h070DaEw022604@vashon.polstra.com>
In-Reply-To: <20030105023336.GD279@crow.dom2ip.de>
References:  <20030105023336.GD279@crow.dom2ip.de>

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In article <20030105023336.GD279@crow.dom2ip.de>,
Thomas Moestl  <tmm@FreeBSD.ORG> wrote:
> 
> I think I got libc_r working, after rewriting longjmp() and friends so
> that they do not require the corresponding setjmp() to be done in an
> ancestor function in the call graph any more, i.e. it can be used to
> switch stacks now. This might also get other threading packages to
> work, e.g. ruby's integrated thread manager.

How hard would it be to take this work and use it as a basis for
implementing setcontext() and getcontext()?  Those are the functions
that the Modula-3 runtime wants to use for thread switching on the
Sparc architecture.

John
-- 
  John Polstra
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Disappointment is a good sign of basic intelligence."  -- Chögyam Trungpa


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