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Re: Issue with Bash

From: Chet Ramey
Subject: Re: Issue with Bash
Date: Sun, 2 Aug 2020 17:42:17 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 7/31/20 10:04 AM, Ayappan P2 wrote:
> We are passing SIGHUP from another terminal ( not from the terminal which
> has the interactive bash shell) . The terminal which has the interactive
> bash closes immediately.
> The scenario is we just open two terminals. In one terminal , just invoke
> bash . And from another terminal pass SIGHUP to the parent process (ksh) of
> bash.

That part is all fine, it's the fact that bash gets SIGHUP when it calls
tcsetattr(), when SIGHUP isn't one of the signals that is documented as
valid for tcsetattr().

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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