netdev - Re: [PATCH 06/18] flag parameters: eventfd

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Date:	Sun, 4 May 2008 21:49:03 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Ulrich Drepper <drepper@...hat.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	mtk.manpages@...il.com,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 06/18] flag parameters: eventfd

On Sun, 4 May 2008, Ulrich Drepper wrote:

> This patch adds the new eventfd2 syscall.  It extends the old eventfd
> syscall by one parameter which is meant to hold a flag value.  In this
> patch the only flag support is EFD_CLOEXEC which causes the close-on-exec
> flag for the returned file descriptor to be set.
> 
> A new flag EFD_CLOEXEC is used instead of reusing O_CLOEXEC to prevent
> exhaustion of the int bit field in case we need more flags.
> 
> The following test must be adjusted for architectures other than x86 and
> x86-64 and in case the syscall numbers changed.

> Signed-off-by: Ulrich Drepper <drepper@...hat.com>

Acked-by: Davide Libenzi <davidel@...ilserver.org>



- Davide


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