From: "Bruce Ellis" <bruce.ellis@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] new system calls - semacquire, semrelease
Date: Mon, 27 Mar 2006 03:11:45 +1000 [thread overview]
Message-ID: <775b8d190603260911h73f5b3ceqb03c5724ab95f6fb@mail.gmail.com> (raw)
In-Reply-To: <8C5B5ACA-74AF-4CE4-B968-2AE392D8069B@orthanc.ca>
boyd would put keys in pipes so core dumps (incidental or nasty)
wouldn't give them away. interesting to think about, given my
current plumbing problems (water not bytes).
brucee
On 3/26/06, Lyndon Nerenberg <lyndon@orthanc.ca> wrote:
>
> On Mar 25, 2006, at 8:12 AM, Russ Cox wrote:
>
> > much like the old trick of storing a byte in a pipe
> > and using it as an interprocess lock.
>
> It's a brilliant trick. It let us write some very portable code (to
> windows, too, no less) with almost no effort. Don't knock
> inginuity. (Or insanity. But that's just labels ...)
>
> --lyndon
>
next prev parent reply other threads:[~2006-03-26 17:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-24 0:43 Russ Cox
2006-03-24 0:52 ` Bruce Ellis
2006-03-25 4:50 ` William Josephson
2006-03-25 6:46 ` Bruce Ellis
2006-03-25 9:22 ` Charles Forsyth
2006-03-25 16:04 ` Bruce Ellis
2006-03-25 16:12 ` Russ Cox
2006-03-26 7:27 ` Lyndon Nerenberg
2006-03-26 17:11 ` Bruce Ellis [this message]
2006-03-26 18:59 ` Charles Forsyth
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