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List:       tuhs
Subject:    Re: [TUHS] 211bsd kermit working
From:       Will Senn <will.senn () gmail ! com>
Date:       2020-08-10 13:24:17
Message-ID: 2cd016ff-3441-2c0e-ec22-85cba2b67293 () gmail ! com
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On 8/10/20 8:12 AM, Noel Chiappa wrote:
>      > From: Will Senn
>
>      > $c
>      > 0177520: ~signal(016,01) from ~sysinit+034
>      > 0177542: ~sysinit() from ~main+010
>      > 0177560: _main() from start+0104
>
>      > If this means it got signal 16... or 1 from the sysinit call (called
>      > from main)
>
> I'm not sure that interpretation is correct. I think that trace shows signal()
> being called from sysinit().
>
> On V6, signal() was a system call which one could use to set the handlers for
> signals (or set them to be ignored, or back to the default action). In. 2.11
> it seems to be a shim layer which provides the same interface, but uses
> the Berserkly signal system interface underneath:
>
>    https://www.tuhs.org/cgi-bin/utree.pl?file=2.11BSD/include/signal.h
>    https://www.tuhs.org/cgi-bin/utree.pl?file=2.11BSD/man/cat3/signal.0
>
> So maybe the old binary for kermit is still trying to use the (perhaps
> now-removed) signal system call?
>
> 	     Noel
>

Noel,

That makes a lot more sense. I'm still trying to locate source.

Thanks,

Will


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