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Date: Fri, 22 Feb 2013 22:05:03 -0500
From: KOSAKI Motohiro <>
To: Rich Felker <>
Cc: libc-alpha <>,
Subject: Re: O_EXEC and O_SEARCH

> I'd like to have a conversation with the glibc team about O_EXEC and
> O_SEARCH in the interest of hopefully developing a unified plan for
> supporting them on Linux. Presumably the reason glibc still does not
> have them is that Linux O_PATH does not exactly match their semantics
> in some cases, and O_PATH is sufficiently broken on many kernel
> versions to make offering it problematic. In particular, current
> coreutils break badly on most kernel versions around 2.6.39-3.6 or so
> if O_SEARCH and O_EXEC are defined as O_PATH.

I'm curious why don't you implement them in kernel directly?

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