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From: Doug Evans <dje@google.com>
To: Khoo Yit Phang <khooyp@cs.umd.edu>
Cc: gdb-patches@sourceware.org
Subject: Re: Handle SIGINT in Python
Date: Tue, 10 Jan 2012 21:47:00 -0000	[thread overview]
Message-ID: <CADPb22S9PXm67VCWSDMJLd1YFe9biGq1PiP-p0wUysXyQ_49-w@mail.gmail.com> (raw)
In-Reply-To: <A8DAE02C-D489-4C5A-A4C5-6D898A0D8A9F@cs.umd.edu>

On Tue, Jan 10, 2012 at 1:29 PM, Khoo Yit Phang <khooyp@cs.umd.edu> wrote:
> Hi,
>
> I've written a patch to GDB's Python support to allow SIGINT to interrupt a running script to address the bug http://sourceware.org/bugzilla/show_bug.cgi?id=13265 (I've attached my patch to that page).
>
> It works by installing a Python-specific SIGINT handler just before executing a Python script, and restoring the original SIGINT handler after execution as well as at calls to gdb.execute(...).
>
> There's one caveat: if an inferior is running via, e.g., gdb.execute("run"), SIGINT will interrupt the inferior but not the enclosing "python" command. I think it would be better to also interrupt the "python" command, but I'm not sure how to detect this case yet.

There is value in having the SIGINT *only* affect the inferior.
It's up to the script to handle the various reasons why the inferior
may have stopped, and you don't (generally) want to interfere with
that (by interrupting the script too).


  reply	other threads:[~2012-01-10 21:46 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-10 21:31 Khoo Yit Phang
2012-01-10 21:47 ` Doug Evans [this message]
2012-01-10 22:09   ` Khoo Yit Phang
2012-01-11 20:59   ` Tom Tromey
2012-01-11 21:06     ` Paul_Koning
2012-01-11 21:23       ` Tom Tromey
2012-01-12  0:54     ` Doug Evans
2012-01-12 15:52       ` Kevin Pouget
2012-01-12 16:48         ` Paul_Koning
2012-01-13 10:55           ` Kevin Pouget
2012-01-13 12:11             ` Paul_Koning
2012-01-10 21:49 ` Tom Tromey
2012-01-11 21:15 ` Tom Tromey
2012-01-11 21:49   ` Khoo Yit Phang
2012-01-11 22:46     ` Khoo Yit Phang
2012-01-20 21:40     ` Tom Tromey
2012-01-22 16:36       ` Khoo Yit Phang
2012-01-22 20:54         ` Khoo Yit Phang

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