linux-kernel - Re: [PATCH 2/3] signal: introduce do_sigtimedwait() to factor out compat/native code

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Message-ID: <20110425162504.GC30828@mtj.dyndns.org>
Date:	Mon, 25 Apr 2011 18:25:04 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Nikita V. Youshchenko" <nyoushchenko@...sta.com>,
	Matt Fleming <matt@...sole-pimps.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] signal: introduce do_sigtimedwait() to factor out
 compat/native code

Hey,

On Mon, Apr 25, 2011 at 05:33:16PM +0200, Oleg Nesterov wrote:
> On 04/25, Tejun Heo wrote:
> >
> > Just one more thing.
> >
> > On Sat, Apr 23, 2011 at 07:59:40PM +0200, Oleg Nesterov wrote:
> > > +int do_sigtimedwait(sigset_t *these, siginfo_t *info, long timeout)
> >
> > Maybe @these isn't the base name here?  It implies that these are the
                           ^^^^
                     oops, best

> > signals the function is interested in but in reality it is the
> > negation of that.
> 
> Yees, I simply copied the old name. And yes, I tried to invent the
> better name but failed.
> 
> Hmm. I think this patch can do a bit more. We can factor out
> sigdelsetmask(SIGKILL | SIGSTOP) + signotset() as well, I'll resend.
> 
> Still, what should be the name? @set? @mask? @which?

Given that next_signal() and friends already use @mask, probably
@mask?  As long as positive selection and negative masking are clearly
distinguishible...

Thanks.

-- 
tejun
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