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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Florian Weimer <fweimer@redhat.com>
Cc: Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH v4 4/4] posix: Add _Fork [BZ #4737]
Date: Mon, 28 Jun 2021 15:10:12 -0300	[thread overview]
Message-ID: <f56e4a27-bf78-cc9e-7ac0-ca8852885800@linaro.org> (raw)
In-Reply-To: <87r1gmxtfb.fsf@oldenburg.str.redhat.com>



On 28/06/2021 05:52, Florian Weimer wrote:
> * Adhemerval Zanella:
> 
>> For returns_twice we have __attribute_returns_twice__, but I think we might
>> want to add it on multiple symbols (not only on _Fork). So I haven't it added
>> for now.
> 
> I was wondering if gcc knows about these functions.  It does actually
> for fork, but it uses that only for gcov as far as I can see.

Good question.  In any case, I think we would be good to add the
__attribute_returns_twice__ regardless of compiler natively supports the
symbol semantic.

> 
>> Below it is an updated patch based on your comments, is this one ok to
>> commit?
> 
> This patch looks reasonable to me.

Thanks, I will commit it shortly.

      reply	other threads:[~2021-06-28 18:10 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-23 18:43 [PATCH v4 0/4] Add _Fork implementation Adhemerval Zanella
2021-06-23 18:43 ` [PATCH v4 1/4] posix: Consolidate fork implementation Adhemerval Zanella
2021-06-24  8:15   ` Florian Weimer
2021-06-24 11:32     ` Adhemerval Zanella
2021-06-23 18:43 ` [PATCH v4 2/4] posix: Do not clobber errno by atfork handlers Adhemerval Zanella
2021-06-24  8:19   ` Florian Weimer
2021-06-24 11:05     ` Adhemerval Zanella
2021-06-24 11:19       ` Florian Weimer
2021-06-24 11:32         ` Adhemerval Zanella
2021-06-23 18:43 ` [PATCH v4 3/4] Consolidate pthread_atfork Adhemerval Zanella
2021-06-24  8:22   ` Florian Weimer
2021-06-24 11:32     ` Adhemerval Zanella
2021-06-23 18:43 ` [PATCH v4 4/4] posix: Add _Fork [BZ #4737] Adhemerval Zanella
2021-06-24  8:47   ` Florian Weimer
2021-06-24 13:34     ` Adhemerval Zanella
2021-06-28  8:52       ` Florian Weimer
2021-06-28 18:10         ` Adhemerval Zanella [this message]

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