From: Ludovic Rousseau (ludovic.rousseaugmail.com)
Date: Tue Sep 01 2009 - 04:38:28 CDT

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2009/8/31 Douglas E. Engert <deengertanl.gov>:
> pcscdeamon.c sets up a signal handler for SIGUSR1 to call signal_reload.
> But on Solaris (at least and it looks like HP too) the man pages say:
>
>     If signal()is used,  disp  is  the address of a signal handler, and sig
> is
>     not  SIGILL, SIGTRAP, or  SIGPWR, the system first sets  the
>     signal's disposition to  SIG_DFL before executing the signal
>     handler.
>
> Thus the first use of pcscd -H works, but the second time causes the deamon
> to not cache the signal and end.
>
> This looks like this has been in previous versions as well.
> The patch has the signal handler reenable the signal.

Patch applied in revision 4375.
http://lists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2009-September/003893.html

Thanks.

> Use of sigaction  might be a better solution.

I am no sure how to use sigaction(2) for this problem. So unless you
find a problem with signal(2) I will not change the code.

Regards,

--
 Dr. Ludovic Rousseau

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