linux-kernel - Re: waitid() return value strangeness when infop is NULL

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Message-Id: <20090113224759.7DFB7FC3DD@magilla.sf.frob.com>
Date:	Tue, 13 Jan 2009 14:47:59 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	mtk.manpages@...il.com
Cc:	"kernel list" <linux-kernel@...r.kernel.org>,
	"Ulrich Drepper" <drepper@...hat.com>,
	"Vegard Nossum" <vegard.nossum@...il.com>,
	"linux-man@...r.kernel.org" <linux-man@...r.kernel.org>
Subject: Re: waitid() return value strangeness when infop is NULL

> a) Is it intentional to support the infop==NULL case for waitid() --
> rather than simply giving an error return?

No.  It's just an artifact of the internals shared with wait4/waitpid.
Patch to follow.


Thanks,
Roland
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