Date: Sat, 12 Aug 2000 22:11:45 -0600 From: Wes Peters <wes@softweyr.com> To: Jonas Bulow <jonas.bulow@servicefactory.se> Cc: Ronald G Minnich <rminnich@lanl.gov>, hackers@FreeBSD.ORG Subject: Re: IPC, shared memory, syncronization Message-ID: <39962001.35378CFE@softweyr.com> References: <Pine.LNX.4.20.0008112101590.6759-100000@mini.acl.lanl.gov> <39952437.EFCAA381@servicefactory.se>
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Jonas Bulow wrote:
>
> Ronald G Minnich wrote:
> >
> > I don't know about the "bsd" or whatever way. If you're doing real
> > parallel programming and want real performance, you'll use a test-and-set
> > like function that uses the low-level machine instructions for same.
>
> That is exacly what I'm looking for! I found it to be overkill to
> involve the kernel just because I wanted to have a context switch during
> the "test-and-set".
Precisely how do you expect to "have a context switch" without "involving
the kernel"?
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
wes@softweyr.com http://softweyr.com/
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