Wait for working thread to join before we exit
Wait for working thread to join before we exit

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