From: Tom Tromey <tom@tromey.com>
To: Pedro Alves <palves@redhat.com>
Cc: Tom Tromey <tom@tromey.com>,
Sergio Durigan Junior <sergiodj@redhat.com>,
Tom Tromey <tromey@adacore.com>,
gdb-patches@sourceware.org
Subject: Re: [PATCH] Merge handle_inferior_event and handle_inferior_event_1
Date: Mon, 25 Mar 2019 16:46:00 -0000 [thread overview]
Message-ID: <87ef6uj408.fsf@tromey.com> (raw)
In-Reply-To: <f4df53c8-67b5-d910-348b-5d50226ccb35@redhat.com> (Pedro Alves's message of "Mon, 25 Mar 2019 16:34:44 +0000")
>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:
Pedro> So it looks like your patch made it so that the value in question
Pedro> avoids the crash because the value in question is no longer in the
Pedro> all_values vector by the time gdb is tearing down?
Makes sense.
Pedro> Open questions then would be:
Pedro> - what was the exception in question that was thrown from
Pedro> within handle_inferior_event_1? (And if there was
Pedro> no exception, then the theory above is incorrect.)
Pedro> - why don't non-temporary xmethod values put in the value history
Pedro> cause a similar crash at tear down time?
Also, if a crash can occur during value destruction like this, then I
think it must indicate a bug somewhere else, like invalid reference
counting somewhere.
Tom
next prev parent reply other threads:[~2019-03-25 16:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190320140846.13031-1-tromey@adacore.com>
2019-03-20 16:21 ` Pedro Alves
2019-03-21 22:05 ` Sergio Durigan Junior
2019-03-22 0:01 ` Sergio Durigan Junior
2019-03-25 15:35 ` Tom Tromey
2019-03-25 16:34 ` Pedro Alves
2019-03-25 16:46 ` Tom Tromey [this message]
2019-03-25 22:20 ` Sergio Durigan Junior
2019-03-26 13:13 ` Tom Tromey
2019-03-26 16:07 ` Sergio Durigan Junior
2019-03-26 18:45 ` Tom Tromey
2019-03-26 21:50 ` Sergio Durigan Junior
2019-03-27 12:57 ` Tom Tromey
2019-03-28 14:12 ` Pedro Alves
2019-03-29 21:44 ` [PATCH] Destroy allocated values when exiting GDB (was: Re: [PATCH] Merge handle_inferior_event and handle_inferior_event_1) Sergio Durigan Junior
2019-04-01 14:08 ` [PATCH] Destroy allocated values when exiting GDB Pedro Alves
2019-04-01 14:59 ` Sergio Durigan Junior
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