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Re: setjmp/longjmp & signal handlers bug
On Mon, 11 Oct 2004, Christopher Faylor wrote:
> On Mon, Oct 11, 2004 at 08:56:52PM -0500, Brian Ford wrote:
> >If the handler is set to a function, then first either the handler is
> >reset to SIG_DFL, or an implementation dependent blocking of the signal
> >is performed, and next the handler is called...
> >That's Cygwin's implementation dependent blocking?
> Both cygwin and newer versions of linux, apparently.
Ok, this doesn't play well with old style *NIX code, but...
> >Can I just unblock it before calling signal again then?
> Yes. Have you tried it?
> Either clear the blocking with sigprocmask or use sigsetjmp and siglongjmp.
Yes, this works. Thank you for your time and explanation.
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
the best safety device in any aircraft is a well-trained pilot...
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