win_setup Subroutine

   SUBROUTINE win_setup(buffer, do_win_create, request)
      TYPE(dbcsr_buffer), INTENT(INOUT)                  :: buffer
      LOGICAL, DIMENSION(:), INTENT(INOUT)               :: do_win_create
      TYPE(mp_request_type), INTENT(INOUT)               :: request

      CHARACTER(len=*), PARAMETER :: routineN = 'win_setup'
      INTEGER                                            :: handle, handle1, myproc

      CALL timeset(routineN, handle)

      IF (buffer%has_rma_win) THEN
         CALL timeset(routineN//"_win_check", handle1)
         CALL mp_wait(request)
         CALL timestop(handle1)
         IF (do_win_create(1)) THEN
            CALL mp_win_unlock_all(buffer%data_win)
            CALL mp_win_free(buffer%data_win)
         END IF
         IF (do_win_create(2)) THEN
            CALL mp_win_unlock_all(buffer%meta_win)
            CALL mp_win_free(buffer%meta_win)
         END IF
      END IF
      CALL dbcsr_data_release(buffer%data_before_resize)
      IF (ASSOCIATED(buffer%meta_before_resize)) THEN
         CALL memory_deallocate(buffer%meta_before_resize, memtype_mpi_buffer)
         NULLIFY (buffer%meta_before_resize)
      END IF
      !
      CALL mp_environ(taskid=myproc, groupid=buffer%subgrp)
      buffer%myproc = myproc
      IF (do_win_create(1)) THEN
         CALL dbcsr_win_create_any(buffer%data, buffer%subgrp, buffer%data_win)
         CALL mp_win_lock_all(buffer%data_win)
      END IF
      IF (do_win_create(2)) THEN
         CALL mp_win_create(buffer%meta, buffer%subgrp, buffer%meta_win)
         CALL mp_win_lock_all(buffer%meta_win)
      END IF
      !
      buffer%has_rma_win = .TRUE.
      CALL timestop(handle)
   END SUBROUTINE win_setup