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Subject: Re: [PATCH] libio: Avoid dup already opened file descriptor
 [BZ#21393]
To: Siddhesh Poyarekar <siddhesh@gotplt.org>, libc-alpha@sourceware.org
Cc: Carlos O'Donell <carlos@redhat.com>
References: <1493996954-14556-1-git-send-email-adhemerval.zanella@linaro.org>
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 <aca141a5-b534-4c2b-331a-16c97c533f56@linaro.org>
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 <fe6f404f-2402-db29-3855-20b253f05513@linaro.org>
 <99a839f0-f873-ba0d-ab24-1f148c7f802a@gotplt.org>
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Message-ID: <b540c2fe-6547-3d05-63cb-e0df96aa9e7f@linaro.org>
Date: Mon, 22 May 2017 20:25:00 -0000
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On 22/05/2017 17:21, Siddhesh Poyarekar wrote:
> On Tuesday 23 May 2017 01:48 AM, Adhemerval Zanella wrote:
>> Alright, I will change it (I based this doc from freopen(3) btw).
> 
> Oh, which version?  I was going to suggest writing a man page patch as
> well :)
> 
> Siddhesh
> 

Release 4.04 and I in fact it came from dup3(2) (my mistake):

       EBUSY  (Linux only) This may be returned by dup2() or dup3() during a 
race condition with open(2) and dup().