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bug#10243: 8.14: ls --color is uninterruptible with ctrl+c (and no netwo

From: Pádraig Brady
Subject: bug#10243: 8.14: ls --color is uninterruptible with ctrl+c (and no network fs in use)
Date: Wed, 07 Dec 2011 22:53:43 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0

>From a cursory glance the change looks sensible.

Note a separate issue is there is a small chance that the ^C
representation output to the terminal, will mess things up:
I.E. even when signals are blocked the ^C etc. is output,
which can mess up ANSI codes and multibyte characters
(I have seen such corruption).

I'm just noting it here, as it's probably overkill/problematic
to disable echoing to the terminal, and explicitly
output ^C when we process_signals() like readline does.


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