On Sun, 10 Jun 2001, Valentin Nechayev wrote:

>  Thu, Jun 07, 2001 at 12:04:10, bde (Bruce Evans) wrote about "Re: Terminal line 
>discipline is broken [sorta]": 
> > This may be a bug in tcsh.
> Do you really think that shell should not modify signal handling policy
> which he obtained as legacy from login? And application which resets
> them to appropriate position is buggy?

Non-interactive shells certainly shouldn't unblock/unignore blocked/ignored
signals.  I think it doesn't matter much for interactive shells.  Login
would only change the system defaults if it is broken.

> My ktracing of bash (2.04) shows that it isn't really set procmask
> to own values, but uses legacy value. Maybe I'm wrong, but this seems
> that sh & bash are buggy, not tcsh.

Bash does much more initialization for signals than sh.  Maybe it knows
what it is doing :-).


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