[CRIU] CRIU saving/restoring fd for the device file

[Pavel Emelyanov]

On 10/02/2014 07:08 PM, Zmudzinski, Krystof C wrote:
> I have finally figured out that I can indeed talk to the driver just fine.  The problem 
> is that my code checks for errno even when ioctls don’t return -1.  For some reason, after
> resume, errno is set to EINTR.  Is it possible that criu causes this by sending a signal 
> to the my app during suspend?

I doubt this. errno is just a variable in memory, criu doesn't touch the app's memory.

> Shouldn’t errno be cleared by criu on resume?

AFAIK no, app's memory should be left intact on restore.

Can you describe problem in more details, please?

Thanks,
Pavel