Date: Tue, 31 Aug 1999 13:38:12 +0200 From: Marcel Moolenaar <marcel@scc.nl> To: hackers@FreeBSD.ORG Subject: Re: More than 32 signals. Thought? Message-ID: <37CBBEA4.C03DB96E@scc.nl> References: <37CABABF.33E13FF@netscape.net>, <Pine.BSF.4.10.9908311122040.340-100000@salmon.nlsystems.com>
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Doug Rabson wrote:
>
> On Mon, 30 Aug 1999, Francis Jordan wrote:
>
> > Do as NetBSD does to remain compatible? Or borrow a few thoughts from
> > Solaris, which also has 128 signals:
> >
> > typedef struct { /* signal set type */
> > unsigned long __sigbits[4];
> > } sigset_t;
>
> Please be careful with your datatypes when formulating this. If you are
> going to pack 32 signals into one field, make it u_int32_t, not int or
> long.
I also was not quite happy with the choice of type for __sigbits. Is it
worth having __sigbits to be the size that most suits the architecture (32
for i386; 64 for alpha) because of the frequent bit manipulations that are
expected to be performed with it?
--
Marcel Moolenaar mailto:marcel@scc.nl
SCC Internetworking & Databases http://www.scc.nl/
Amsterdam, The Netherlands tel: +31 20 4200655
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