Non-re-entrant code in signal handler

Jason Abernathy <[email protected]> Mon, 09 Dec 2013 14:01:06 -0800
Newsgroups	gmane.comp.video.graphicsmagick.bugs
Message-ID	<[email protected]>
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I believe that non-re-entrant code is being executed within the 
MagickSignalHandler function.

In particular, DestroyMagickInfo eventually calls free(), which is not 
async-safe. This leads to a deadlock on my system (Ubuntu 12.04, 
GraphicsMagick 1.3.12).

Cheers,
Jason

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    I believe that non-re-entrant code is being executed within the
    MagickSignalHandler function.<br>
    <br>
    In particular, DestroyMagickInfo eventually calls free(), which is
    not async-safe. This leads to a deadlock on my system (Ubuntu 12.04,
    GraphicsMagick 1.3.12).<br>
    <br>
    Cheers,<br>
    Jason
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