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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 3/3] Refactor atfork handlers
Date: Tue, 20 Feb 2018 14:58:01 +0100	[thread overview]
Message-ID: <9a266bea-818d-64da-198e-64f1c19a7915@redhat.com> (raw)
In-Reply-To: <2fc18517-d23d-a298-e458-88ceff1cfc33@linaro.org>

On 02/20/2018 02:48 PM, Adhemerval Zanella wrote:

> The atfork_run_prepare will instruct __run_fork_handlers to take the internal
> atfork_lock handler:
> 
>    void
>    __run_fork_handlers (enum __run_fork_handler_type who)
>    {
>      struct fork_handler *runp;
> 
>      if (who == atfork_run_prepare)
>        {
>          lll_lock (atfork_lock, LLL_PRIVATE);
> 
> And it will prevent to add new registration until either the parent or the child
> call __run_fork_handlers with either 'atfork_run_child' or 'atfork_run_parent'
> to release the lock.

Oh, sorry, I missed that.  So the patch does not have this problem. 
This does not settle the deadlock issue, though.

Thanks,
Florian


  reply	other threads:[~2018-02-20 13:56 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-07 13:09 [PATCH 1/3] Refactor Linux ARCH_FORK implementation Adhemerval Zanella
2018-02-07 13:09 ` [PATCH 2/3] dynarray: Implement remove function Adhemerval Zanella
2018-02-07 14:48   ` Alexander Monakov
2018-02-07 16:06     ` Adhemerval Zanella
2018-02-07 13:09 ` [PATCH 3/3] Refactor atfork handlers Adhemerval Zanella
2018-02-07 15:07   ` Florian Weimer
2018-02-07 17:16     ` Adhemerval Zanella
2018-02-08  8:32       ` Florian Weimer
2018-02-08 12:50         ` Adhemerval Zanella
2018-02-20 11:29           ` Florian Weimer
2018-02-20 13:00             ` Adhemerval Zanella
2018-02-20 13:05               ` Florian Weimer
2018-02-20 13:27                 ` Adhemerval Zanella
2018-02-20 13:42                   ` Florian Weimer
2018-02-20 13:48                     ` Adhemerval Zanella
2018-02-20 13:58                       ` Florian Weimer [this message]
2018-02-20 14:23                         ` Adhemerval Zanella
2018-02-23 10:41                           ` Florian Weimer
2018-02-23 12:10                             ` Adhemerval Zanella
2018-02-27  8:25                               ` Florian Weimer
2018-03-07 16:51 ` [PATCH 1/3] Refactor Linux ARCH_FORK implementation Adhemerval Zanella
2018-03-08 12:05 ` Florian Weimer
2018-03-08 12:58   ` Adhemerval Zanella

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