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Re: [PATCH] trap -p does not display ignored signals inherited from pare


From: Siddhesh Poyarekar
Subject: Re: [PATCH] trap -p does not display ignored signals inherited from parent by a bash process
Date: Thu, 25 Mar 2010 20:09:06 +0530

On Thu, Mar 25, 2010 at 7:19 PM, Eric Blake <address@hidden> wrote:
> Technically, this is only a POSIX requirement on non-interactive shells.
>  Interactive shells may reset ignored signals on entry, effectively
> starting life as if nothing had been inherited ignored.  But I don't
> know (without looking at the sources) whether bash explicitly modifies
> inherited ignored signals in interactive shells.

Bash does not do it; ignored signals remain ignored in the subshell. I
wanted to know if it would be possible to explicitly document it in
the manpage or provide a non-standard extension to display signals
that are 'not available to play with'.

-- 
Siddhesh Poyarekar
http://siddhesh.in




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