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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org
Subject: Re: [PATCH 0/4] t5552: fix flakiness by introducing proper locking for GIT_TRACE
Date: Fri, 10 Aug 2018 11:40:08 -0700	[thread overview]
Message-ID: <xmqqeff683qv.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20180810171546.GA32713@sigill.intra.peff.net> (Jeff King's message of "Fri, 10 Aug 2018 13:15:46 -0400")

Jeff King <peff@peff.net> writes:

> I have tried to help with the actual problem, by identifying the root
> cause (that the trace code's strategy is not fundamentally broken, but
> that it relies on O_APPEND whose guarantees are obviously not portable
> to Windows) and exploring possible solutions there (FILE_APPEND_DATA).
>
> Lacking any kind of Windows development environment, I'd just as soon
> stop there and let more knowledgeable people take over. But please don't
> characterize my presence in this thread as some kind of willful harm or
> ignoring of the problem.

Thanks.

It seems like the other Johannes and the other Jeff are also
interested, so we may hopefully see a properly fixed O_APPEND,
which would be the real solution that would help appenders
that are *not* tracing subsystem, too.




  reply	other threads:[~2018-08-10 18:40 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-09 17:35 [PATCH 0/4] t5552: fix flakiness by introducing proper locking for GIT_TRACE Johannes Schindelin via GitGitGadget
2018-08-09 17:35 ` [PATCH 1/4] Introduce a function to lock/unlock file descriptors when appending Johannes Schindelin via GitGitGadget
2018-08-09 19:01   ` Junio C Hamano
2018-08-10 18:32     ` Johannes Schindelin
2018-08-09 17:35 ` [PATCH 2/4] mingw: implement lock_or_unlock_fd_for_appending() Johannes Schindelin via GitGitGadget
2018-08-09 17:35 ` [PATCH 3/4] trace: lock the trace file to avoid racy trace_write() calls Johannes Schindelin via GitGitGadget
2018-08-09 17:35 ` [PATCH 4/4] trace: verify that locking works Johannes Schindelin via GitGitGadget
2018-08-09 19:47 ` [PATCH 0/4] t5552: fix flakiness by introducing proper locking for GIT_TRACE Jeff King
2018-08-09 20:49   ` Junio C Hamano
2018-08-09 21:08     ` Junio C Hamano
2018-08-09 21:32       ` Jeff King
2018-08-10 14:09     ` Jeff King
2018-08-10 15:58       ` Junio C Hamano
2018-08-10 15:58       ` Junio C Hamano
2018-08-10 16:43       ` Johannes Schindelin
2018-08-10 17:15         ` Jeff King
2018-08-10 18:40           ` Junio C Hamano [this message]
2018-08-10 19:34           ` Johannes Schindelin
2018-08-10 16:15 ` Johannes Sixt
2018-08-10 16:51   ` Jeff Hostetler
2018-08-10 16:57     ` Jeff Hostetler
2018-08-10 17:08     ` Johannes Sixt
2018-08-10 18:34   ` Junio C Hamano
2018-08-10 18:56     ` Jeff King
2018-08-13 19:02     ` [PATCH] mingw: enable atomic O_APPEND Johannes Sixt
2018-08-13 20:20       ` Junio C Hamano
2018-08-13 21:05         ` Johannes Sixt
2018-08-13 21:22           ` Ævar Arnfjörð Bjarmason
2018-08-13 21:55             ` Junio C Hamano
2018-08-13 22:37             ` Jeff King
2018-08-14 13:47               ` Ævar Arnfjörð Bjarmason
2018-08-14 14:53                 ` Jeff King
2018-08-14 18:29               ` Johannes Sixt
2018-08-14 19:17                 ` Jeff King
2018-08-14 13:01       ` Jeff Hostetler
2018-08-14 14:38         ` Junio C Hamano
2018-08-10 19:47 ` [PATCH v2 0/4] t5552: fix flakiness by introducing proper locking for GIT_TRACE Johannes Schindelin via GitGitGadget
2018-08-10 19:47   ` [PATCH v2 1/4] Introduce a function to lock/unlock file descriptors when appending Johannes Schindelin via GitGitGadget
2018-08-10 20:05     ` Junio C Hamano
2018-08-10 21:31       ` Johannes Schindelin
2018-08-10 19:47   ` [PATCH v2 2/4] mingw: implement lock_or_unlock_fd_for_appending() Johannes Schindelin via GitGitGadget
2018-08-10 19:47   ` [PATCH v2 3/4] trace: lock the trace file to avoid racy trace_write() calls Johannes Schindelin via GitGitGadget
2018-08-10 19:47   ` [PATCH v2 4/4] trace: verify that locking works Johannes Schindelin via GitGitGadget

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