Re: igc, macOS avoiding signals

[Gerd Möllmann]

Pip Cet <pipcet@protonmail.com> writes:

>> In mainline... (pondering to put a smiley).
>
> I'll throw Zig in and run away quickly.

(Zig would be fine, weren't it for the future plans of its inventor,
which irritated me enough that I didn't try it in earnest.)

>
>> But something else: Given what I now believe, I think I want to
>> understand better (a bit) why everything appears to work just fine on
>> macOS, with signals. Could you perhaps check if I'm off? MacOS only.
>
> Do we know that?  

Well, that it "appears to..." I know for fact :-). It never happened for
me. But please see my other mails.

> I think macOS doesn't use signals as heavily as other platforms do,
> and I don't know how SIGPROF is handled on that platform, but I would
> not be surprised if that or SIGALRM require the signal checking thing
> on macOS, too.

SIGPROF and SIGLARM are signals in macOS. Only the hardware faults are
not, like EXC_BAD_ACCESS and the float exceptions. Others I don't
remember ATM.