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!****h* ROBODoc/H5FDMPIO
!
! NAME
! MODULE H5FDMPIO
!
! PURPOSE
! This file contains Fortran interfaces for H5P functions needed by
! parallel MPI programs.
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! Copyright by The HDF Group. *
! Copyright by the Board of Trustees of the University of Illinois. *
! All rights reserved. *
! *
! This file is part of HDF5. The full HDF5 copyright notice, including *
! terms governing use, modification, and redistribution, is contained in *
! the COPYING file, which can be found at the root of the source code *
! distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
! If you do not have access to either file, you may request a copy from *
! help@hdfgroup.org. *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
! NOTES
! *** IMPORTANT ***
! If you add a new H5P function you must add the function name to the
! Windows dll file 'hdf5_fortrandll.def.in' in the fortran/src directory.
! This is needed for Windows based operating systems.
!
!*****
MODULE H5FDMPIO
USE H5GLOBAL
CONTAINS
!****s* H5FDMPIO/h5pset_fapl_mpio_f
!
! NAME
! h5pset_fapl_mpio_f
!
! PURPOSE
! Stores MPI IO communicator information to the file
! access property list.
!
! INPUTS
! prp_id - file access property list identifier
! comm - MPI-2 communicator
! info - MPI-2 info object
! OUTPUTS
! hdferr - Returns 0 if successful and -1 if fails
! AUTHOR
! Elena Pourmal
! November, 2000
!
! SOURCE
SUBROUTINE h5pset_fapl_mpio_f(prp_id, comm, info, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: prp_id ! Property list identifier
INTEGER, INTENT(IN) :: comm ! MPI communicator to be used for file open
! as defined in MPI_FILE_OPEN of MPI-2
INTEGER, INTENT(IN) :: info ! MPI info object to be used for file open
! as defined in MPI_FILE_OPEN of MPI-2
INTEGER, INTENT(OUT) :: hdferr ! Error code
!*****
INTEGER, EXTERNAL :: h5pset_fapl_mpio_c
hdferr = h5pset_fapl_mpio_c(prp_id, comm, info)
END SUBROUTINE h5pset_fapl_mpio_f
!****s* H5FDMPIO/h5pget_fapl_mpio_f
!
! NAME
! h5pget_fapl_mpio_f
!
! PURPOSE
! Returns MPI communicator information.
!
! INPUTS
! prp_id - file access property list identifier
! OUTPUTS
! comm - MPI-2 communicator
! info - MPI-2 info object
! hdferr - Returns 0 if successful and -1 if fails
!
! AUTHOR
! Elena Pourmal
! November, 2000
!
! SOURCE
SUBROUTINE h5pget_fapl_mpio_f(prp_id, comm, info, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: prp_id ! Property list identifier
INTEGER, INTENT(OUT) :: comm ! buffer to return communicator
INTEGER, INTENT(OUT) :: info ! buffer to return info object
! as defined in MPI_FILE_OPEN of MPI-2
INTEGER, INTENT(OUT) :: hdferr ! Error code
!*****
INTEGER, EXTERNAL :: h5pget_fapl_mpio_c
hdferr = h5pget_fapl_mpio_c(prp_id, comm, info)
END SUBROUTINE h5pget_fapl_mpio_f
!****s* H5FDMPIO/h5pset_dxpl_mpio_f
!
! NAME
! h5pset_dxpl_mpio_f
!
! PURPOSE
! Sets data transfer mode.
!
! INPUTS
! prp_id - data transfer property list identifier
! data_xfer_mode - transfer mode; possible values are:
! H5FD_MPIO_INDEPENDENT_F
! H5FD_MPIO_COLLECTIVE_F
! OUTPUTS
! hdferr - Returns 0 if successful and -1 if fails
! AUTHOR
! Elena Pourmal
! November, 2000
!
! SOURCE
SUBROUTINE h5pset_dxpl_mpio_f(prp_id, data_xfer_mode, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: prp_id ! Property list identifier
INTEGER, INTENT(IN) :: data_xfer_mode ! Data transfer mode. Possible values are:
! H5FD_MPIO_INDEPENDENT_F
! H5FD_MPIO_COLLECTIVE_F
INTEGER, INTENT(OUT) :: hdferr ! Error code
!*****
INTEGER, EXTERNAL :: h5pset_dxpl_mpio_c
hdferr = h5pset_dxpl_mpio_c(prp_id, data_xfer_mode)
END SUBROUTINE h5pset_dxpl_mpio_f
!****s* H5FDMPIO/h5pget_dxpl_mpio_f
!
! NAME
! h5pget_dxpl_mpio_f
!
! PURPOSE
! Returns the data transfer mode.
!
! INPUTS
! prp_id - data transfer property list identifier
! OUTPUTS
! data_xfer_mode- transfer mode; possible values are:
! H5FD_MPIO_INDEPENDENT_F
! H5FD_MPIO_COLLECTIVE_F
! hdferr - Returns 0 if successful and -1 if fails
!
! AUTHOR
! Elena Pourmal
! November, 2000
!
! SOURCE
SUBROUTINE h5pget_dxpl_mpio_f(prp_id, data_xfer_mode, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: prp_id ! Property list identifier
INTEGER, INTENT(OUT) :: data_xfer_mode ! Data transfer mode. Possible values are:
! H5FD_MPIO_INDEPENDENT_F
! H5FD_MPIO_COLLECTIVE_F
INTEGER, INTENT(OUT) :: hdferr ! Error code
!*****
INTEGER, EXTERNAL :: h5pget_dxpl_mpio_c
hdferr = h5pget_dxpl_mpio_c(prp_id, data_xfer_mode)
END SUBROUTINE h5pget_dxpl_mpio_f
!****s* H5P/h5pget_mpio_actual_io_mode_f
! NAME
! h5pget_mpio_actual_io_mode_f
!
! PURPOSE
! Retrieves the type of I/O that HDF5 actually performed on the last
! parallel I/O call. This is not necessarily the type of I/O requested.
!
! INPUTS
! dxpl_id - Dataset transfer property list identifier.
! OUTPUTS
! actual_io_mode - The type of I/O performed by this process.
! hdferr - Returns 0 if successful and -1 if fails.
!
! AUTHOR
! M. Scot Breitenfeld
! July 27, 2012
!
! HISTORY
!
! Fortran90 Interface:
SUBROUTINE h5pget_mpio_actual_io_mode_f(dxpl_id, actual_io_mode, hdferr)
IMPLICIT NONE
INTEGER(HID_T), INTENT(IN) :: dxpl_id
INTEGER , INTENT(OUT) :: actual_io_mode
INTEGER , INTENT(OUT) :: hdferr
!*****
INTERFACE
INTEGER FUNCTION h5pget_mpio_actual_io_mode_c(dxpl_id, actual_io_mode)
USE H5GLOBAL
!DEC$IF DEFINED(HDF5F90_WINDOWS)
!DEC$ATTRIBUTES C,reference,decorate,alias:'H5PGET_MPIO_ACTUAL_IO_MODE_C'::h5pget_mpio_actual_io_mode_c
!DEC$ENDIF
INTEGER(HID_T), INTENT(IN) :: dxpl_id
INTEGER , INTENT(OUT) :: actual_io_mode
END FUNCTION h5pget_mpio_actual_io_mode_c
END INTERFACE
actual_io_mode = -1
hdferr = h5pget_mpio_actual_io_mode_c(dxpl_id, actual_io_mode)
END SUBROUTINE h5pget_mpio_actual_io_mode_f
END MODULE H5FDMPIO
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