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Date: Wed, 19 May 2010 23:46:16 +0100
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From: "Devon H. O'Dell" <devon.odell@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] system call trace version of 9vx available.
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2010/5/19 ron minnich <rminnich@gmail.com>:
> On Wed, May 19, 2010 at 3:02 PM, Bakul Shah <bakul+plan9@bitblocks.com> wrote:
>
>>> It gives you the option of not restarting the system call until later.
>>> There could be more complex usage scenarios.
>>
>> I don't understand this.
>
> You read the "start of the system call" message. The process is
> stopped. It has not run the system call.
>
> You have a lot of options at that point. You could, programatically,
> drop the person into acid (the debugger, not the liquid) and, when
> they exit, resume the process. You really do have lots of control.

But there's nothing more fun than watching someone scream in a HCl
bath of high molarity, especially after they've made a dumb
programming error! (Sorry for the noise, I had to.)

--dho