PLAG_ClearDataSendRequests.F90

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!******************************************************************************
!
! Purpose: wait until data is received by other processors
!          communicating with the current region.
!
! Description: none.
!
! Input: regions = data of all regions
!        iReg    = index of current region.
!
! Output: None.
!
! Notes: None.
!
!******************************************************************************
!
! $Id: PLAG_ClearDataSendRequests.F90,v 1.3 2008/12/06 08:44:33 mtcampbe Exp $
!
! Copyright: (c) 2003 by the University of Illinois
!
!******************************************************************************

SUBROUTINE plag_cleardatasendrequests( regions, iReg )

  USE moddatatypes
  USE modpartlag, ONLY    : t_buffer_plag
  USE modbndpatch, ONLY   : t_patch
  USE moddatastruct, ONLY : t_region
  USE modglobal, ONLY     : t_global
  USE modpartlag, ONLY    : t_plag
  USE moderror
  USE modmpi
  USE modparameters
  IMPLICIT NONE

! ... parameters
  TYPE(t_region), POINTER :: regions(:)
  
  INTEGER :: ireg

! ... loop variables
  INTEGER :: ipatch

! ... local variables
  CHARACTER(CHRLEN) :: rcsidentstring

#ifdef MPI
  INTEGER :: statusplag(mpi_status_size)
#endif

  INTEGER :: bctype, ilev, iregdes, irequestplag, nbuffsizesrc, npatches

  LOGICAL :: dowait

  TYPE(t_patch), POINTER  :: patch
  TYPE(t_plag),   POINTER :: pplag
  TYPE(t_global), POINTER :: global

!******************************************************************************

  rcsidentstring = '$RCSfile: PLAG_ClearDataSendRequests.F90,v $ $Revision: 1.3 $'

  global => regions(1)%global

  CALL registerfunction( global,'PLAG_ClearDataSendRequests',&
  'PLAG_ClearDataSendRequests.F90' )

#ifdef MPI

! get dimensions --------------------------------------------------------------

  ilev     = regions(ireg)%currLevel
  npatches = regions(ireg)%nPatches

  pplag => regions(ireg)%levels(ilev)%plag 

  DO ipatch = 1, npatches
    patch => regions(ireg)%levels(ilev)%patches(ipatch)

    bctype  = patch%bcType
    iregdes = patch%srcRegion
    irequestplag = patch%bufferPlag%iRequest

! - extract buffer size

    IF ( (bctype>=bc_regionconf .AND. bctype<=bc_regionconf+bc_range) .OR. &
         (bctype>=bc_regionint  .AND. bctype<=bc_regionint +bc_range) .OR. &
         (bctype>=bc_regnonconf .AND. bctype<=bc_regnonconf+bc_range) .OR. &
         (bctype>=bc_tra_peri   .AND. bctype<=bc_tra_peri  +bc_range) .OR. &
         (bctype>=bc_rot_peri   .AND. bctype<=bc_rot_peri  +bc_range) ) THEN

        nbuffsizesrc = patch%bufferPlag%nBuffSize
 
    ENDIF ! bcType
       
! - region interface, periodic boundary ---------------------------------------

    dowait = ((bctype>=bc_regionconf .AND. bctype<=bc_regionconf+bc_range) .OR. &
              (bctype>=bc_regionint  .AND. bctype<=bc_regionint +bc_range) .OR. &
              (bctype>=bc_regnonconf .AND. bctype<=bc_regnonconf+bc_range) .OR. &
              (bctype>=bc_tra_peri   .AND. bctype<=bc_tra_peri  +bc_range) .OR. &
              (bctype>=bc_rot_peri   .AND. bctype<=bc_rot_peri  +bc_range))
              
    IF (iregdes > 0) THEN
      IF ( dowait .AND. (regions(iregdes)%procid /= global%myProcid) .AND. &
          (nbuffsizesrc /= 0) ) THEN
        CALL mpi_wait( pplag%requestsI(irequestplag), statusplag, global%mpierr )
        IF (global%mpierr /= err_none) & 
          CALL errorstop( global,err_mpi_trouble,__line__ )
        
        CALL mpi_wait( pplag%requestsR(irequestplag), statusplag, global%mpierr )
        IF (global%mpierr /= err_none) & 
          CALL errorstop( global,err_mpi_trouble,__line__ )
      ENDIF ! doWait
    ENDIF ! iRegDes

  ENDDO ! iPatch

#endif

! finalize --------------------------------------------------------------------

  CALL deregisterfunction( global )

END SUBROUTINE plag_cleardatasendrequests

!******************************************************************************
!
! RCS Revision history:
!
! $Log: PLAG_ClearDataSendRequests.F90,v $
! Revision 1.3  2008/12/06 08:44:33  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:17:45  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/12/01 20:57:23  fnajjar
! Initial revision after changing case
!
! Revision 1.1  2003/02/21 17:09:54  fnajjar
! Initial import
!
!******************************************************************************