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Subject: RE: [cygcheck] produces repeated output - 6 times!
Date: Mon, 4 May 2009 10:54:55 -0500
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From: "Thrall, Bryan" <bryan DOT thrall AT flightsafety DOT com>
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Christopher Faylor wrote on Monday, May 04, 2009 10:44 AM:
> On Mon, May 04, 2009 at 10:35:46AM -0500, Thrall, Bryan wrote:
>> Christopher Faylor wrote on Monday, May 04, 2009 10:18 AM:
>>=20
>>> On Mon, May 04, 2009 at 03:11:02PM +0000, Greg Chicares wrote:
>>>> On 2009-05-04 14:44Z, Thrall, Bryan wrote:
>>>>> Corinna Vinschen wrote on Monday, May 04, 2009 3:25 AM:
>>>>>> On Apr 28 11:47, Julio Costa wrote:
>>>>>>> Bug in cygcheck? Or bug in user? :)
>>>>>>=20
>>>>>> Bug in user as far as the position of the -v option is concerned.
>>>>>=20
>>>>> I can reproduce it; some more details:
>>>>>=20
>>>>> - 'cygcheck /bin/ash.exe -v' returns 127
>>>>> - it doesn't happen if run from cmd.exe
>>>>> - '/bin/ash.exe -v' from inside bash works just fine
>>>>>=20
>>>>> Isn't there a feature of Cygwin where it tries 5 or 6 times to
restart
>>>>> Windows apps (such as cygcheck) if they fail in a certain way?
That
>>>>> could explain the repeated output (i.e. cygcheck is trying to do
the
>>>>> documented 'cygcheck [PROGRAM] -v' thing but there's a bug), but
my
>>>>> search fu wasn't able to bring up any results.
>>>>=20
>>>> Search for 'proc_retry' in the User's Guide.
>>>>=20
>>>> Try setting
>>>>  CYGWIN=3Dproc_retry:1
>>>> to see whether that's what's happening in this case.
>>=20
>> Thanks, Greg, for the pointer!
>>=20
>>> If it is, then cygcheck would be exiting with a bad status and bash
>>> would be causing cygcheck to restart.  You wouldn't see the problem
>>> from the windows command line.
>>=20
>> Aren't those the exact symptoms I described?
>=20
> The "exact symptoms"?  No, in fact it was not.  I was clarifying what
to
> look for but I guess I should have said "Please try this from the
> windows command line".

Sorry, I did say:
>>>>> - 'cygcheck /bin/ash.exe -v' returns 127
>>>>> - it doesn't happen if run from cmd.exe

But I can be more exact:

If I run 'cygcheck /bin/ash.exe -v' from inside cmd.exe, I only get one
copy of the output.
I didn't think to check this before, but %ERRORLEVEL% after running that
is -1073741819 (I think that's the normal way to check return values in
cmd.exe?).

--=20
Bryan Thrall
FlightSafety International
bryan DOT thrall AT flightsafety DOT com

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