linux-kernel - Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support

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Message-ID: <20070213203952.GA18130@elte.hu>
Date:	Tue, 13 Feb 2007 21:39:52 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Alan <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@....com.au>,
	Ulrich Drepper <drepper@...hat.com>,
	Zach Brown <zach.brown@...cle.com>,
	Evgeniy Polyakov <johnpol@....mipt.ru>,
	"David S. Miller" <davem@...emloft.net>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support


* Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:

> > What are the semantics of async sys_async_wait and async sys_async ?
> 
> Ooooohh. OpenVMS lives forever ;) Me likeee ;)

hm, i dont know OpenVMS - but googled around a bit for 'VMS 
asynchronous' and it gave me this:

  http://en.wikipedia.org/wiki/Asynchronous_system_trap

is AST what you mean? From a quick read AST seems to be a signal 
mechanism a bit like Unix signals, extended to kernel-space as well - 
while syslets are a different 'safe execution engine' kind of thing 
centered around the execution of system calls.

	Ingo
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