From: Tom Tromey <tom@tromey.com>
To: Pedro Alves <palves@redhat.com>
Cc: Tom Tromey <tom@tromey.com>, gdb-patches@sourceware.org
Subject: Re: [RFC 17/17] Simplify gdbserver's serial event handling
Date: Fri, 04 Oct 2019 22:08:00 -0000 [thread overview]
Message-ID: <874l0orwnq.fsf@tromey.com> (raw)
In-Reply-To: <a87c195a-a1ed-1143-de2a-d8b363cb706d@redhat.com> (Pedro Alves's message of "Thu, 26 Sep 2019 18:36:36 +0100")
>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:
Pedro> On 2/24/19 4:51 PM, Tom Tromey wrote:
>> Currently, when gdbserver handles a serial event, it also calls
>> 'reschedule' to install a timer that is then used to process any data
>> that remains after the previous packet was processed.
>>
>> It seemed better to me to simply have the file descriptor callback
>> loop, processing packets until complete.
Pedro> I would rather not do this change, because it potentially starves other
Pedro> event sources. I've had to fix starvation issues like that in several
Pedro> places in gdb throughout the years -- see url I pointed that justifying
Pedro> need for async serial events, random_pending_event_thread in
Pedro> infrun.c, etc.
I have dropped it.
Tom
next prev parent reply other threads:[~2019-10-04 22:08 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 16:51 [RFC 00/17] Merge event loop implementations Tom Tromey
2019-02-24 16:52 ` [RFC 13/17] Switch gdbserver to common event loop Tom Tromey
2019-02-24 16:52 ` [RFC 17/17] Simplify gdbserver's serial event handling Tom Tromey
2019-09-26 17:36 ` Pedro Alves
2019-10-04 22:08 ` Tom Tromey [this message]
2019-02-24 16:52 ` [RFC 10/17] Move event-loop.[ch] to common/ Tom Tromey
2019-09-26 14:06 ` Pedro Alves
2019-10-04 22:06 ` Tom Tromey
2019-02-24 16:52 ` [RFC 14/17] Remove some dead code from event-loop.c Tom Tromey
2019-02-24 16:52 ` [RFC 06/17] Include <chrono> in event-loop.c Tom Tromey
2019-09-26 14:02 ` Pedro Alves
2019-02-24 16:52 ` [RFC 09/17] Introduce async-event.[ch] Tom Tromey
2019-09-26 14:06 ` Pedro Alves
2019-10-04 22:17 ` Tom Tromey
2019-02-24 16:52 ` [RFC 04/17] Move gdb_select.h to common/ Tom Tromey
2019-02-24 16:52 ` [RFC 05/17] Remove gdb_usleep.c Tom Tromey
2019-09-26 14:02 ` Pedro Alves
2019-09-26 14:43 ` Tom Tromey
2019-02-24 16:52 ` [RFC 01/17] Remove include from event-loop.c Tom Tromey
2019-02-24 16:52 ` [RFC 12/17] Add the ability to stop the event loop Tom Tromey
2019-02-24 16:52 ` [RFC 16/17] Remove gdb_fildes_t Tom Tromey
2019-02-24 16:52 ` [RFC 11/17] Implement event-loop glue for gdbserver Tom Tromey
2019-02-24 16:52 ` [RFC 02/17] Move gdb-specific code out of start_event_loop Tom Tromey
2019-09-26 14:02 ` Pedro Alves
2019-02-24 16:52 ` [RFC 08/17] Introduce and use flush_streams Tom Tromey
2019-02-24 16:52 ` [RFC 03/17] Move event-loop configury to common.m4 Tom Tromey
2019-02-24 16:52 ` [RFC 15/17] Move gdb_notifier comment Tom Tromey
2019-09-26 14:06 ` Pedro Alves
2019-02-24 16:52 ` [RFC 07/17] Use warning in event-loop Tom Tromey
2019-09-26 14:02 ` Pedro Alves
2019-02-24 17:14 ` [RFC 00/17] Merge event loop implementations Eli Zaretskii
2019-02-24 17:26 ` Tom Tromey
2019-02-24 17:45 ` Eli Zaretskii
2019-02-25 19:57 ` Tom Tromey
2019-02-25 20:30 ` Eli Zaretskii
2019-02-25 20:55 ` Tom Tromey
2019-02-26 16:04 ` Eli Zaretskii
2019-02-26 16:23 ` Tom Tromey
2019-02-26 16:46 ` Eli Zaretskii
2019-09-26 17:47 ` Pedro Alves
2019-09-26 23:09 ` Tom Tromey
2019-09-27 13:53 ` Pedro Alves
2019-09-27 14:05 ` Pedro Alves
2019-09-27 14:21 ` Eli Zaretskii
2019-09-27 14:53 ` Pedro Alves
2019-09-27 15:32 ` Eli Zaretskii
2019-09-27 19:10 ` Tom Tromey
2020-02-14 2:22 ` Tom Tromey
2020-02-14 17:58 ` Pedro Alves
2020-02-14 18:36 ` Tom Tromey
2019-10-04 22:25 ` Tom Tromey
2020-02-14 18:20 ` Pedro Alves
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