linux-kernel - Re: [patch 6/9] signalfd/timerfd v1

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Message-ID: <Pine.LNX.4.64.0703101340550.10330@woody.linux-foundation.org>
Date:	Sat, 10 Mar 2007 13:44:24 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Nicholas Miell <nmiell@...cast.net>
cc:	Davide Libenzi <davidel@...ilserver.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 6/9] signalfd/timerfd v1 - timerfd core ...



On Sat, 10 Mar 2007, Nicholas Miell wrote:
> 
> That's what the sigevent structure is for -- to describe how events
> should be signaled to userspace, whether by signal delivery, thread
> creation, or queuing to event completion ports. If if you think
> extending it would be bad, I can show you the line in POSIX where it
> encourages the contrary.

I'm sorry, but by pointing to the POSIX timer stuff, you're just making 
your argument weaker.

POSIX timers are a horrible crock and over-designed to be a union of 
everything that has ever been done. Nasty. We had tons of bugs in the 
original setup because they were so damn nasty.

I'd rather look at just about *anything* else for good design than from 
some of the abortions that are posix-timers.

		Linus
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