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Diffstat (limited to 'HDF5Examples/FORTRAN/H5PAR/ph5_f90_file_create.F90')
| -rw-r--r-- | HDF5Examples/FORTRAN/H5PAR/ph5_f90_file_create.F90 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/HDF5Examples/FORTRAN/H5PAR/ph5_f90_file_create.F90 b/HDF5Examples/FORTRAN/H5PAR/ph5_f90_file_create.F90 new file mode 100644 index 0000000..f330d4e --- /dev/null +++ b/HDF5Examples/FORTRAN/H5PAR/ph5_f90_file_create.F90 @@ -0,0 +1,59 @@ +! +! This example creates HDF5 file in a parallel environment +! + + PROGRAM FILE_CREATE + + USE HDF5 ! This module contains all necessary modules + + IMPLICIT NONE + + INCLUDE 'mpif.h' + CHARACTER(LEN=10), PARAMETER :: filename = "sds.h5" ! File name + + INTEGER(HID_T) :: file_id ! File identifier + INTEGER(HID_T) :: plist_id ! Property list identifier + INTEGER :: error + + ! + ! MPI definitions and calls. + ! + INTEGER :: mpierror ! MPI error flag + INTEGER :: comm, info + INTEGER :: mpi_size, mpi_rank + comm = MPI_COMM_WORLD + info = MPI_INFO_NULL + + CALL MPI_INIT(mpierror) + CALL MPI_COMM_SIZE(comm, mpi_size, mpierror) + CALL MPI_COMM_RANK(comm, mpi_rank, mpierror) + ! + ! Initialize FORTRAN predefined datatypes + ! + CALL h5open_f(error) + + ! + ! Setup file access property list with parallel I/O access. + ! + CALL h5pcreate_f(H5P_FILE_ACCESS_F, plist_id, error) + CALL h5pset_fapl_mpio_f(plist_id, comm, info, error) + + ! + ! Create the file collectively. + ! + CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error, access_prp = plist_id) + + ! + ! Close property list and the file. + ! + CALL h5pclose_f(plist_id, error) + CALL h5fclose_f(file_id, error) + + ! + ! Close FORTRAN interface + ! + CALL h5close_f(error) + + CALL MPI_FINALIZE(mpierror) + + END PROGRAM FILE_CREATE |