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Date:      Mon, 6 Dec 1999 01:12:08 +1100 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        Martin Cracauer <cracauer@cons.org>
Cc:        Marcel Moolenaar <marcel@scc.nl>, freebsd-arch@freebsd.org
Subject:   Re: cvs commit: src/sys/i386/include signal.h
Message-ID:  <Pine.BSF.4.10.9912060109420.1630-100000@alphplex.bde.org>
In-Reply-To: <19991205135624.A4009@cons.org>

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> > > Decisions in order of importance:
> > > - Do you accept bumping mcontext_t to 512 bytes?
> > 
> > No, I'll accept ucontext_t to be bumped to a nice round number (say 512
> > bytes) and have the extra space used by mcontext_t :-)
> 
> I'm afraid that is not useful, since there are only 64 bytes left
> (with FPU status already there), not enough to keep this extension
> scheme running for future extensions.
> 
> What about 4K? :-]]]

Arrgh :-).  Remember that the whole struct must be bzeroed to prevent
leaking kernel data.  I think I prefer a variable sized "struct" like
struct dirent.

Bruce





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