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Subject: Re: SEMCTL fails with error 22
To: cygwin AT cygwin DOT com
References: <CAAeFwS2mbvRMkqQLuSZoAyUHLgzzijLWvLOKoWSVXeFw25PcgQ AT mail DOT gmail DOT com> <CAAeFwS0dN0KNRZLWpU3_v6s57xdmMRwncfc9Ry-Ff_a_VTkNCg AT mail DOT gmail DOT com>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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Date: Fri, 11 Mar 2016 12:41:21 +0100
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On 11/03/2016 11:52, Meenakshi Pant wrote:
> For me the out put is when cygserver is up.
>
>   Semaphore Test
>   Semaphore created successfully  196608
>   Value before errno = 0
>   Cannot set semaphore value.errno = 22
>
> When cygserver is down the output is
>
>   Semaphore Test
>   Unable to obtain semaphore 88
>
>
> After bringing up cygserver the command 'cygcheck -c' shows the below output.
>

As mentioned
https://cygwin.com/problems.html
"Run cygcheck -s -v -r > cygcheck.out and include that file as an 
attachment in your report. Please do not compress or otherwise encode 
the output. Just attach it as a straight text file so that it can be 
easily viewed."

I have exactly the same results as Achim

./semtest.exe

  Semaphore Test
  Semaphore created successfully  65536
  Value before errno = 0Semaphore 1492 initialized.

On both 32 and 64 bit.
So it seems a specific issue on your system side.
What software are you running ?
Any potential Bloda ?

https://cygwin.com/faq/faq.html#faq.using.bloda

Looks also on "detect_bloda" at
https://cygwin.com/cygwin-ug-net/using-cygwinenv.html

Regards
Marco


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