{
{   This request is used to set a variable of type lock.
{
{       CLP$SET_LOCK_VARIABLE (REFERENCE, WAIT, STATUS)
{
{ REFERENCE: (input)  This parameter specifies the lock variable to be set.
{
{ WAIT: (input)  This parameter specifies whether the request should wait
{       until the lock can be set or return immediately if the lock is already
{       set.
{
{ STATUS: (output)  This parameter specifies the request status.
{       CONDITIONS: cle$lock_already_set
{                   cle$lock_set_by_current_task
{                   cle$lock_expired
{
