linux-kernel - Re: [RFD] new syscalls: suspend_other/resume

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Message-ID: <20070902163621.547f5765@the-village.bc.nu>
Date:	Sun, 2 Sep 2007 16:36:21 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Oeser <ioe-lkml@...eria.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFD] new syscalls: suspend_other/resume_other?

> 	After sucessful return of this call, the affected process 
> 	is single threaded and only the calling thread runs 
> 	in this process (==MM struct).

Not quite - vfork...

> 	This call might be restricted to the main thread.

What if differing threads have differing security credentials

And if you plan to suspend all the other threads wtf is wrong with
SIGSTOP ?
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