From: Lyndon Nerenberg <lyndon@orthanc.ca>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] @{cd ...} breaks completion with ctrl-f/ins; help needed
Date: Tue, 28 Oct 2008 14:17:04 -0700 [thread overview]
Message-ID: <alpine.WNT.2.00.0810281357370.6188@gollum> (raw)
In-Reply-To: <a560a5d00810280814u11fc0623uafb9e1c504eb0c02@mail.gmail.com>
> This saving&restoring seems flawed to me due to possible race-conditions...
> I'd expect each shell had its own copy of /dev/wdir... But I may be
> easily wrong...
When a rc forks a subshell the child shares the namespace with the parent.
If you want the child rc to divorce its namespace from the parent, have it
issue 'rfork n'.
There is no race condition; this is documented behaviour.
You need to (re-)read the namespaces paper in /sys/doc/names.ps.
--lyndon
next prev parent reply other threads:[~2008-10-28 21:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-28 9:42 Rudolf Sykora
2008-10-28 10:04 ` Steve Simon
2008-10-28 15:14 ` Rudolf Sykora
2008-10-28 15:30 ` Rob Pike
2008-10-28 16:27 ` Rudolf Sykora
2008-10-28 17:16 ` andrey mirtchovski
2008-10-28 17:26 ` andrey mirtchovski
2008-10-28 17:21 ` Russ Cox
2008-10-28 21:17 ` Lyndon Nerenberg [this message]
2008-10-28 21:41 ` Rudolf Sykora
2008-10-28 22:24 ` Lyndon Nerenberg
2008-10-28 10:54 ` matt
2008-10-28 15:15 ` Rudolf Sykora
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