Added statistics about the SIGIO reception in libcard
Added statistics about the SIGIO reception in libcard

We use SIGIO to inform the process about a device going down.
In this case the filedescriptor must be closed. This is part
of the recovery procedure.

ibm-genwqe/genwqe-user,tblume/genwqe-user,ferseiti/genwqe-user,ferseiti/genwqe-user,tblume/genwqe-user,ibm-genwqe/genwqe-user,ibm-genwqe/genwqe-user