arch-wrs: check shmem consistency in wrs_shm_get_and_check
Commit based on the commit from wrs-switch-sw repo described below. It does
not have impact on PPSI, just for consistency.
userspace/libwr: check shmem consistency in wrs_shm_get_and_check
Check the consistency of shmem during opening with wrs_shm_get_and_check.
It was possible that sequence number was increased during the opening, but it
was interpreted as version error.
Add defines describing different return errors.
This change is backward compatible.
Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
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