Path: utzoo!attcan!uunet!mcsun!hp4nl!kunivv1!ge
From: ge@kunivv1.sci.kun.nl (Ge' Weijers)
Newsgroups: comp.lang.misc
Subject: Re: Anyone want to design a language?
Message-ID: <1185@kunivv1.sci.kun.nl>
Date: 15 Mar 90 16:35:16 GMT
References: <22569:05:10:24@stealth.acf.nyu.edu> <12507@mcdphx.phx.mcd.mot.com> <111357@ti-csl.csc.ti.com> <8827@boring.cwi.nl>
Organization: University of Nijmegen, The Netherlands.
Lines: 18

siebren@piring.cwi.nl (Siebren van der Zee) writes:

>Right. Now if you're gonna put dynamic allocation in your language
>anyway, don't forget to handle "automatic" growing of the stacks
>in multithreaded environments.

>This cannot be done by the operating system, since the virtual
>memory just above the top of the stack that needs to be grown may
>be used by another thread's stack.

A decent, multi-segment machine can have N stacks that all grow and shrink as
needed. Say: an MC68030/SPARC/.... operating system can't ...


Ge' Weijers                                    Internet/UUCP: ge@cs.kun.nl
Faculty of Mathematics and Computer Science,   (uunet.uu.net!cs.kun.nl!ge)
University of Nijmegen, Toernooiveld 1         
6525 ED Nijmegen, the Netherlands              tel. +3180612483 (UTC-2)