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!****h* root/fortran/test/fflush1.f90
!
! NAME
! FFLUSH1EXAMPLE
!
! FUNCTION
! This is the first half of a two-part test that makes sure
! that a file can be read after an application crashes as long
! as the file was flushed first. We simulate by exit the
! the program using stop statement
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! Copyright by The HDF Group. *
! 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://www.hdfgroup.org/licenses. *
! If you do not have access to either file, you may request a copy from *
! help@hdfgroup.org. *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
!*****
PROGRAM FFLUSH1EXAMPLE
USE HDF5 ! This module contains all necessary modules
USE TH5_MISC
IMPLICIT NONE
!
!the respective filename is "fflush1.h5"
!
CHARACTER(LEN=7), PARAMETER :: filename = "fflush1"
CHARACTER(LEN=80) :: fix_filename
!
!data space rank and dimensions
!
INTEGER, PARAMETER :: RANK = 2
INTEGER, PARAMETER :: NX = 4
INTEGER, PARAMETER :: NY = 5
!
! File identifiers
!
INTEGER(HID_T) :: file_id
!
! Group identifier
!
INTEGER(HID_T) :: gid
!
! dataset identifier
!
INTEGER(HID_T) :: dset_id
!
! data space identifier
!
INTEGER(HID_T) :: dataspace
!
!The dimensions for the dataset.
!
INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/NX,NY/)
!
!flag to check operation success
!
INTEGER :: error
!
!general purpose integer
!
INTEGER :: i, j, total_error = 0
!
!data buffers
!
INTEGER, DIMENSION(NX,NY) :: data_in
INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
data_dims(1) = NX
data_dims(2) = NY
!
!Initialize FORTRAN predefined datatypes
!
CALL h5open_f(error)
CALL check("h5open_f",error,total_error)
!
!Initialize data_in buffer
!
do i = 1, NX
do j = 1, NY
data_in(i,j) = (i-1) + (j-1)
end do
end do
!
!Create file "fflush1.h5" using default properties.
!
CALL h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
if (error .ne. 0) then
write(*,*) "Cannot modify filename"
CALL h5_exit_f (1)
endif
CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file_id, error)
CALL check("h5fcreate_f",error,total_error)
!
!Create group "/G" inside file "fflush1.h5".
!
CALL h5gcreate_f(file_id, "/G", gid, error)
CALL check("h5gcreate_f",error,total_error)
!
!Create data space for the dataset.
!
CALL h5screate_simple_f(RANK, dims, dataspace, error)
CALL check("h5screate_simple_f",error,total_error)
!
!Create dataset "/D" inside file "fflush1.h5".
!
CALL h5dcreate_f(file_id, "/D", H5T_NATIVE_INTEGER, dataspace, &
dset_id, error)
CALL check("h5dcreate_f",error,total_error)
!
! Write data_in to the dataset
!
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data_in, data_dims, error)
CALL check("h5dwrite_f",error,total_error)
!
!flush and exit without closing the library
!
CALL H5fflush_f(file_id, H5F_SCOPE_GLOBAL_F, error)
CALL check("h5fflush_f",error,total_error)
! if errors detected, exit with non-zero code.
IF (total_error .ne. 0) CALL h5_exit_f (1)
STOP
END PROGRAM FFLUSH1EXAMPLE
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