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Date: Thu, 13 Jan 2011 08:50:23 -0500
From: Michael Smith <msmith@cbnco.com>
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Subject: Re: Use of 'sem_open' failing
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Otavio Salvador wrote:
> Hello,
> 
> I am having trouble to use an application (freerdp) that calls sem_open method.
> 
> The application has been converted to use sem_open to fix a
> portability issue with MacOS X and it works fine on my Debian but
> fails on the OE built image.

Does strace show anything useful?

For POSIX semaphores you need to have a /dev/shm directory (mode 1777).

Mike