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Re: Saving errno around signal handlers


On 02/28/2014 10:19 PM, Roland McGrath wrote:
POSIX has green-lighted saving errno around signal handlers.

I don't even know what you might think that means.  Whenever talking about
a change in a standard, provide a reference to the actual change in the
actual standard.

It's about this change:

  <http://austingroupbugs.net/view.php?id=807>

At present, many signal handlers are incorrect, even though they only call async-signal-safe functions because they fail to save and restore errno.

--
Florian Weimer / Red Hat Product Security Team


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