From: Ray Andrews <rayandrews@eastlink.ca>
To: zsh-workers@zsh.org
Subject: Re: Interrupting globs (Re: Something rotten in tar completion)
Date: Sat, 06 Dec 2014 14:57:13 -0800 [thread overview]
Message-ID: <548389C9.8030505@eastlink.ca> (raw)
In-Reply-To: <141206142744.ZM2362@torch.brasslantern.com>
On 12/06/2014 02:27 PM, Bart Schaefer wrote:
> On Dec 5, 4:32pm, Ray Andrews wrote:
> } Subject: Re: Interrupting globs (Re: Something rotten in tar completion)
> }
> } On 12/05/2014 02:07 PM, Peter Stephenson wrote:
> } >
> } >> continue to do its job of acting as a sandbox but without screwing up
> }
> } What is a sandbox?
>
> A place where you can safely play without breaking anything important,
> and where most of the mess is safely contained.
>
> In this context, that means a way to execute a command that may fail in
> an unexpected or at least unpredictable way, without having that failure
> change the rest of the shell state.
An excellent metaphor then. Sounds like a very good thing to have.
>
> } So there was no distinction between an internal error and a user break?
> } I thought the philosophy was to go overboard making very fine
> } distinctions between various breaks, and that would seem to be
> } the very first one to make.
>
> Problem here is that there really is no such thing as a "user break."
>
> There is the arrival of a signal from the operating system; some of the
> time you can assume that certain signals must have been triggered by
> something a user did, but the OS doesn't distinguish the source of the
> signal, only the type of signal. The INTterrupt signal is *usually*
> generated from the user's keyboard input, but doesn't have to be.
>
Sheesh. In DOS ^C is always a hardware interrupt, plain and simple.
It's read at the BIOS level. So we can't/don't just check the kb buffer?
It seems strange that the OS has no special flag for a keyboard
generated interupt.
next prev parent reply other threads:[~2014-12-06 22:57 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 15:54 Something rotten in tar completion Peter Stephenson
2014-12-02 16:48 ` Bart Schaefer
2014-12-02 17:26 ` Peter Stephenson
2014-12-04 16:56 ` Bart Schaefer
2014-12-04 17:12 ` Peter Stephenson
2014-12-05 8:20 ` Interrupting globs (Re: Something rotten in tar completion) Bart Schaefer
2014-12-05 14:17 ` Jérémie Roquet
2014-12-06 21:50 ` Bart Schaefer
2014-12-06 22:15 ` Bart Schaefer
2014-12-05 14:50 ` Peter Stephenson
2014-12-05 15:14 ` Jérémie Roquet
[not found] ` <22084.1417791853@thecus.kiddle.eu>
2014-12-05 15:29 ` Peter Stephenson
2014-12-05 17:03 ` Peter Stephenson
2014-12-05 17:53 ` Peter Stephenson
2014-12-05 18:06 ` Bart Schaefer
2014-12-05 18:13 ` Peter Stephenson
2014-12-05 20:34 ` Peter Stephenson
2014-12-05 22:07 ` Peter Stephenson
2014-12-06 0:32 ` Ray Andrews
2014-12-06 22:27 ` Bart Schaefer
2014-12-06 22:57 ` Ray Andrews [this message]
2014-12-06 0:36 ` Mikael Magnusson
2014-12-06 0:40 ` Mikael Magnusson
2014-12-06 22:31 ` Bart Schaefer
2014-12-06 0:52 ` Mikael Magnusson
2014-12-06 11:49 ` Mikael Magnusson
2014-12-06 17:48 ` Bart Schaefer
2014-12-07 1:42 ` Mikael Magnusson
2014-12-07 4:45 ` Bart Schaefer
2014-12-07 5:04 ` Bart Schaefer
2014-12-07 17:39 ` Peter Stephenson
2014-12-07 22:59 ` Mikael Magnusson
2014-12-07 5:18 ` Bart Schaefer
2014-12-07 17:07 ` Peter Stephenson
2014-12-07 17:19 ` Peter Stephenson
2014-12-08 11:18 ` Peter Stephenson
2014-12-08 12:43 ` Mikael Magnusson
2014-12-08 13:03 ` Peter Stephenson
2014-12-08 15:51 ` Mikael Magnusson
2014-12-08 16:41 ` Bart Schaefer
2014-12-07 17:37 ` Oliver Kiddle
2014-12-07 18:18 ` Peter Stephenson
2014-12-07 18:34 ` Bart Schaefer
2014-12-07 18:59 ` Peter Stephenson
2014-12-07 19:58 ` Bart Schaefer
2014-12-08 10:01 ` Peter Stephenson
2014-12-07 20:20 ` Peter Stephenson
2014-12-07 20:54 ` Bart Schaefer
2014-12-07 20:03 ` Peter Stephenson
2014-12-07 5:59 ` Bart Schaefer
2014-12-07 7:15 ` Mikael Magnusson
2014-12-07 16:21 ` Peter Stephenson
2014-12-07 23:01 ` Interrupts in completion, traps in _main_complete Bart Schaefer
2014-12-08 20:27 ` Peter Stephenson
2014-12-09 4:43 ` Bart Schaefer
2014-12-09 11:26 ` Peter Stephenson
2014-12-09 11:50 ` Peter Stephenson
2014-12-09 21:09 ` Peter Stephenson
2014-12-10 10:02 ` interrupt_abort incorporation Peter Stephenson
2014-12-11 10:00 ` Peter Stephenson
2014-12-04 17:24 ` Something rotten in tar completion Bart Schaefer
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