Consensus on MT-, AS- and AC-Safety docs.
Florian Weimer
fweimer@redhat.com
Wed Nov 27 21:12:00 GMT 2013
On 11/20/2013 09:46 PM, Rich Felker wrote:
> All AS-safe functions have the potential to modify errno (since all
> functions in the standard library do); many are even required to
> modify it. When using any library function in a signal handler, it's
> the programmer's responsibility to save errno and restore its value
> before returning.
I think we should do that in the code that wraps the signal handler
call, to address this class of errors once and for all. Is this feasible?
--
Florian Weimer / Red Hat Product Security Team
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