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From: "Michael Kerrisk" <mtk.manpages@gmail.com>
To: "Ulrich Drepper" <drepper@redhat.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	linux-api@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [PATCH] cleanup paccept
Date: Tue, 28 Oct 2008 15:20:35 -0500	[thread overview]
Message-ID: <517f3f820810281320l5ed1df3v3717584e4284a43f@mail.gmail.com> (raw)
In-Reply-To: <517f3f820810281310y2b02705fs8b402a5ca5117f51@mail.gmail.com>

>> The actual patch which is in the kernel is different from
>> the patch in the mail: only the signal mask handling has been disabled.
>> This is why this is only a cleanup patch.
>
> And that does not explain to the world at large what this
> to-be-enabled system call does, or why it's needed.

And one further point: what is the userspace interface going to look
like for this system call?

Are we to see a repeat of the unsafe userspace implementation of
pselect() that was present in glibc before the kernel finally added a
pselect() system call?

In other words: is the userspace interface for accept4() going to be
the thinnest of wrappers, or will glibc add an unsafe
paccept()-with-signal-mask in userspace?

      reply	other threads:[~2008-10-28 20:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-28 19:09 Ulrich Drepper
2008-10-28 19:15 ` Christoph Hellwig
2008-10-28 19:17 ` Linus Torvalds
2008-10-28 20:10 ` Michael Kerrisk
2008-10-28 20:20   ` Michael Kerrisk [this message]

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