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From: Andrew Haley <aph@redhat.com>
To: libffi-discuss@sourceware.org
Subject: Re: libffi & fork
Date: Wed, 25 Apr 2012 09:11:00 -0000	[thread overview]
Message-ID: <4F97BF9E.6070103@redhat.com> (raw)
In-Reply-To: <CAP+vr+MMKXaea2oGYH8srmMstyBVmQQYmziX=wVOgoB8g3Ofaw@mail.gmail.com>

On 04/24/2012 08:40 PM, Gaash Hazan wrote:

> I am new to libffi, so forgive me for my ignorance.
> 
> I have a python crash involving ctypes and functions callbacks (read
> closures) and fork. The crash happens when process is forked, some
> callbacks are modified and a function callback is made. I suspect that
> the problem could be related to libffi closures and fork.

There is, as far as I can see, only one way to remedy this: allow
python to map anonymous memory with both write and execute permission.
Then it should work fine.

Andrew.

  reply	other threads:[~2012-04-25  9:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAP+vr+PX9gw7Ot6Zc7AN8Gks9P+WHVQg8bX5S7YRnTRyRBHp7A@mail.gmail.com>
2012-04-24 19:41 ` Gaash Hazan
2012-04-25  9:11   ` Andrew Haley [this message]
2012-04-25 17:33     ` Gaash Hazan
2012-04-26 10:00       ` Andrew Haley
2012-04-29 15:34         ` Gaash Hazan
2012-04-29 17:58           ` Anthony Green
2012-04-30  8:32             ` Andrew Haley
2012-04-30 19:16               ` Anthony Green
2012-05-01  7:56                 ` Andrew Haley
2012-05-02 20:23                   ` Anthony Green
2012-05-04  9:00                     ` Andrew Haley
2012-05-05 13:19                       ` Anthony Green

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