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From: "Russ Cox" <rsc@swtch.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
Subject: Re: [9fans] two quick questions on syscalls
Date: Thu,  8 Jan 2009 09:27:56 -0800	[thread overview]
Message-ID: <dd6fe68a0901080927q258ea97fxebf0daa9d830b44d@mail.gmail.com> (raw)
In-Reply-To: <1231434224.5141.229.camel@goose.sun.com>

On Thu, Jan 8, 2009 at 9:03 AM, Roman V. Shaposhnik <rvs@sun.com> wrote:
> 1. are the ones starting from underscore totally deprecated?

No.  Many are still minimally supported, so that it is
possible to run simple pre-9P2000 binaries (for example,
out of the dump).

> 2. what's the use for sysr1?

Sysr1 is whatever you want it to be.
During kernel hacking, it's often useful
to be define it to do some kind of
debugging action, like toggle extra
checking or output.  It has no assigned
purpose.

Russ


  parent reply	other threads:[~2009-01-08 17:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-08 17:03 Roman V. Shaposhnik
2009-01-08 17:22 ` john
2009-01-08 17:27 ` Russ Cox [this message]
2009-01-08 21:56   ` Pietro Gagliardi
2009-01-08 22:23     ` Charles Forsyth
2009-01-08 17:40 ` Charles Forsyth

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