The Release Spin Lock routine relinquishes the spin lock by
    clearing the bit representing the lock. The lock must have been
    created by PPL$CREATE_SPIN_LOCK.

    Format

      PPL$RELEASE_SPIN_LOCK  lock-id

1 - Arguments

 lock-id

    OpenVMS usage identifier
    type          longword (unsigned)
    access        read only
    mechanism     by reference
    Identifier of the specified lock. The lock-id argument is the
    address of an unsigned longword containing the lock identifier.

    Lock-id is returned by PPL$CREATE_SPIN_LOCK.