Acquires ownership of an OpenVMS Galaxy lock.

    Note that this system service is supported only in an OpenVMS
    Alpha Galaxy environment.

    For more information about programming with OpenVMS Galaxy system
    services, see the VSI OpenVMS Alpha Partitioning and Galaxy Guide.

    Format

      SYS$ACQUIRE_GALAXY_LOCK  handle ,timeout ,flags

    C Prototype

      int sys$acquire_galaxy_lock  (unsigned __int64 lock_handle,

                                   unsigned int timeout, unsigned int

                                   flags);