From: Philipp Stephani <p.stephani2@gmail.com>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: 30350@debbugs.gnu.org, Alan Third <alan@idiocy.org>,
Sam Steingold <sds@podval.org>
Subject: bug#30350: 27.0.50; Newest master can't run processes on macOS
Date: Sun, 11 Feb 2018 15:56:29 +0000 [thread overview]
Message-ID: <CAArVCkR5nL+F3jXEh-y=+PddLzbLfk8MD9BpuOVXCZAhW82RPw@mail.gmail.com> (raw)
In-Reply-To: <CAArVCkSmTn3XV7v=kMweDWed9pbypKzCkpQu+xah6ApRj_tVCw@mail.gmail.com>
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Philipp Stephani <p.stephani2@gmail.com> schrieb am Di., 6. Feb. 2018 um
23:10 Uhr:
> Philipp Stephani <p.stephani2@gmail.com> schrieb am Di., 6. Feb. 2018 um
> 23:07 Uhr:
>
>> Philipp Stephani <p.stephani2@gmail.com> schrieb am Di., 6. Feb. 2018 um
>> 01:26 Uhr:
>>
>>> Paul Eggert <eggert@cs.ucla.edu> schrieb am Di., 6. Feb. 2018 um
>>> 00:56 Uhr:
>>>
>>>> On 02/05/2018 11:18 AM, Alan Third wrote:
>>>> >
>>>> > Yes, it fixes the problem here.
>>>> >
>>>> > Is this a known issue with macOS?
>>>>
>>>> It's news to me and it's not listed in the Gnulib portability gotcha
>>>> list.
>>>>
>>>> What happens if you run the attached program on macOS? It creates a file
>>>> "file" and then tries to access it as a directory, which should not
>>>> work.
>>>>
>>>>
>>> It succeeds and prints nothing (i.e. the error is ENOTDIR in all cases).
>>> So this is even more mysterious than I thought.
>>>
>>
>> However, when I change "file" to "/usr/bin/true" in the names list, the
>> issue happens again (i.e. lstat and faccessat succeed for
>> "/usr/bin/true/."). So this does appear to be a macOS bug, but it's not
>> consistently reproducible.
>>
>
> The issue also goes away if I change the fourth argument of faccessat to
> 0.
>
...albeit only temporarily. Occasionally the wrong behavior happens,
occasionally is doesn't, seemingly without meaningful pattern. This seems
to be quite a nasty bug in the OS.
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next prev parent reply other threads:[~2018-02-11 15:56 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-04 20:15 bug#30350: 27.0.50; Newest master can't run processes on macOS Philipp
2018-02-04 20:20 ` Philipp Stephani
2018-02-04 21:06 ` Alan Third
2018-02-04 21:12 ` Alan Third
2018-02-04 21:28 ` Philipp Stephani
2018-02-04 22:49 ` Alan Third
2018-02-04 23:16 ` Philipp Stephani
2018-02-10 10:47 ` Eli Zaretskii
2018-02-04 20:24 ` Eli Zaretskii
2018-02-05 19:13 ` Paul Eggert
2018-02-05 19:18 ` Alan Third
2018-02-05 23:56 ` Paul Eggert
2018-02-06 0:26 ` Philipp Stephani
2018-02-06 0:36 ` Paul Eggert
2018-02-06 0:43 ` Philipp Stephani
2018-02-06 23:38 ` Paul Eggert
2018-02-06 8:28 ` Alan Third
2018-02-06 22:07 ` Philipp Stephani
2018-02-06 22:10 ` Philipp Stephani
2018-02-11 15:56 ` Philipp Stephani [this message]
2018-02-06 22:44 ` Alan Third
2018-02-06 22:53 ` Noam Postavsky
2018-02-11 16:01 ` Philipp Stephani
2018-02-11 21:15 ` Alan Third
2020-08-16 16:53 ` Lars Ingebrigtsen
2020-10-02 4:54 ` Lars Ingebrigtsen
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