Re: MP-safe MSL/new()

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#1391

From: Howard Hinnant
Date: Mon, 09 Oct 2000 00:00

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In article <karsten.loeffler-96141C.08284709102000@news.belwue.de>,
Karsten Loeffler <karsten.loeffler@uni-tuebingen.de> wrote:

| I've wondered how it can be detected if memory block representented by a 
| pointer wether it was allocated by NewPtr() or MPAllocate().
| But now a will try to alloctae everything with MPAllocate without any 
| use of NewPtr()

You could rig __sys_alloc/free to detect the difference.  Just allocate
some extra space and put a flag there saying who allocated the memory. 
However be careful that the pointer you return has the proper alignment
properties (currently set to 16 byte alignment for AltiVec compatibility).

-Howard

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<karsten.loeffler-7D396D.15575505102000@newsserv.uni-tuebingen.de> <hinnant-0510001154380001@ith3-473.twcny.rr.com> <karsten.loeffler-E694CB.17013406102000@news.belwue.de> <hinnant-0610001317070001@ith3-43b.twcny.rr.com> <karsten.loeffler-96141C.08284709102000@news.belwue.de>

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From: hinnant@anti-spam_metrowerks.com (Howard Hinnant)
Subject: Re: MP-safe MSL/new()
Date: 2000/10/09
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