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Date: Sat, 25 Sep 2004 05:21:49 -0700
From: Bruce M Simpson <bms@spc.org>
To: Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= <des@des.no>
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Subject: Re: execute a user process in the kernel
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On Sat, Sep 25, 2004 at 01:35:07PM +0200, Dag-Erling Smørgrav wrote:
> > If we were to implement POSIX spawn(), we'd need something like this.
> 
> Uh, no.  posix_spawn(3) can be implemented entirely in userland and
> does not require any special kernel support.

Discussions with peter@ and others on IRC have been ongoing regarding doing
it in kernel space, so as to avoid unnecessarily expensive VM fork operations
when 'spawning' a process.

I'd be interested to hear more about your proposal for doing this in userland.

BMS