From: Helmut Eller <eller.helmut@gmail.com>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: 24617@debbugs.gnu.org
Subject: bug#24617: 26.0.50; Handlers in `condition-case' should have programmatic access to the backtrace
Date: Thu, 29 Dec 2016 10:01:48 +0100 [thread overview]
Message-ID: <m2zijf2jnn.fsf@gmail.com> (raw)
In-Reply-To: <CAArVCkTAP5i0T7eAnKL5x81vYA+7nkzK4-7V2T_mBBO7pRcKjg@mail.gmail.com> (Philipp Stephani's message of "Wed, 28 Dec 2016 20:08:12 +0000")
On Wed, Dec 28 2016, Philipp Stephani wrote:
> Yes, that sounds like a good workaround, with the downside that other
> libraries might override signal-hook-function and disable that
> functionality.
> Do you know why ERT uses a custom debugger instead of
> signal-hook-function?
No. (I didn't write ERT.) Maybe it's difficult to determine
whether/where a condition will be handled from a signal-hook-function.
> Second, unconditionally copying the backtrace would be expensive
>
>
> Are you sure about that?
No, but I would be surprised if it were cheap.
Helmut
next prev parent reply other threads:[~2016-12-29 9:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-04 16:38 bug#24617: 26.0.50; Handlers in `condition-case' should have programmatic access to the backtrace Philipp Stephani
2016-10-04 19:41 ` Clément Pit--Claudel
2016-12-28 19:33 ` Philipp Stephani
2016-10-05 6:16 ` Helmut Eller
2016-12-28 20:08 ` Philipp Stephani
2016-12-29 9:01 ` Helmut Eller [this message]
2016-12-29 14:02 ` Clément Pit--Claudel
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