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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Friday, October 23, 1998
*
* Purpose: 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 a crash by
* calling _exit(EXIT_SUCCESS) since this doesn't flush HDF5 caches but
* still exits with success.
*/
#include "h5test.h"
const char *FILENAME[] = {"flush", "noflush", "noflush_extend", NULL};
static double the_data[100][100];
/*-------------------------------------------------------------------------
* Function: create_file
*
* Purpose: Creates files and datasets used in part 1 of the test
*
* Return: Success: a valid file ID
* Failure: -1
*
* Programmer: Leon Arber
* Sept. 26, 2006
*
*-------------------------------------------------------------------------
*/
static hid_t
create_file(const char *filename, hid_t fapl_id)
{
hid_t fid = -1; /* file ID */
hid_t dcpl, space, dset, groups, grp;
hsize_t ds_size[2] = {100, 100};
hsize_t ch_size[2] = {5, 5};
size_t i, j;
if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
STACK_ERROR
/* Create a chunked dataset */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
FAIL_STACK_ERROR
if (H5Pset_chunk(dcpl, 2, ch_size) < 0)
FAIL_STACK_ERROR
if ((space = H5Screate_simple(2, ds_size, NULL)) < 0)
FAIL_STACK_ERROR
if ((dset = H5Dcreate2(fid, "dset", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Write some data */
for (i = 0; i < ds_size[0]; i++)
/*
* The extra cast in the following statement is a bug workaround
* for the Win32 version 5.0 compiler.
* 1998-11-06 ptl
*/
for (j = 0; j < (size_t)ds_size[1]; j++)
the_data[i][j] = (double)(hssize_t)i / (hssize_t)(j + 1);
if (H5Dwrite(dset, H5T_NATIVE_DOUBLE, space, space, H5P_DEFAULT, the_data) < 0)
FAIL_STACK_ERROR
/* Create some groups */
if ((groups = H5Gcreate2(fid, "some_groups", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
for (i = 0; i < 100; i++) {
HDsprintf(filename, "grp%02u", (unsigned)i);
if ((grp = H5Gcreate2(groups, filename, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
if (H5Gclose(grp) < 0)
FAIL_STACK_ERROR
} /* end for */
return fid;
error:
HD_exit(1);
}
/*-------------------------------------------------------------------------
* Function: extend_file
*
* Purpose: Add a small dataset to the file.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Leon Arber
* Oct. 4, 2006
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static hid_t
extend_file(hid_t file)
{
hid_t dcpl, space, dset;
hsize_t ds_size[2] = {100, 100};
hsize_t ch_size[2] = {5, 5};
size_t i, j;
/* Create a chunked dataset */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if (H5Pset_chunk(dcpl, 2, ch_size) < 0)
goto error;
if ((space = H5Screate_simple(2, ds_size, NULL)) < 0)
goto error;
if ((dset = H5Dcreate2(file, "dset2", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) <
0)
goto error;
/* Write some data */
for (i = 0; i < ds_size[0]; i++) {
/*
* The extra cast in the following statement is a bug workaround
* for the Win32 version 5.0 compiler.
* 1998-11-06 ptl
*/
for (j = 0; j < (size_t)ds_size[1]; j++) {
the_data[i][j] = (double)(hssize_t)i / (hssize_t)(j + 1);
}
}
if (H5Dwrite(dset, H5T_NATIVE_DOUBLE, space, space, H5P_DEFAULT, the_data) < 0)
goto error;
return file;
error:
HD_exit(1);
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Part 1 of a two-part H5Fflush() test.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Robb Matzke
* Friday, October 23, 1998
*
* Modifications:
* Leon Arber
* Sept. 26, 2006, expand test to check for failure if H5Fflush is not called.
* Oct. 4 2006, expand test to check for partial failure in case file is flushed, but then
* new datasets are created after the flush.
*
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fid = -1; /* file ID */
hid_t fapl_id = -1; /* file access proplist ID */
char filename[1024]; /* filename */
h5_reset();
if ((fapl_id = h5_fileaccess()) < 0)
TEST_ERROR
/*************************************************/
/* NOTE: Not closing the file ID is intentional! */
/*************************************************/
/* Create a file and flush */
TESTING("H5Fflush (part1 with flush)");
/* Create the file */
h5_fixname(FILENAME[0], fapl_id, filename, sizeof(filename));
if ((fid = create_file(filename, fapl_id)) < 0)
TEST_ERROR
if (H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
FAIL_STACK_ERROR
PASSED();
/* Create a file which will not be flushed */
TESTING("H5Fflush (part1 without flush)");
h5_fixname(FILENAME[2], fapl_id, filename, sizeof(filename));
if ((fid = create_file(filename, fapl_id)) < 0)
TEST_ERROR
PASSED();
/* Flush and exit without closing the library */
if (H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
goto error;
/* Add a bit to the file and don't flush the new part */
extend_file(fid);
/* Create the other file which will not be flushed */
h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename));
if ((fid = create_file(filename, fapl_id)) < 0)
TEST_ERROR
PASSED();
/* Flush console output streams */
HDfflush(stdout);
HDfflush(stderr);
/* DO NOT CLOSE FILE ID! */
if (H5Pclose(fapl_id) < 0)
STACK_ERROR
/* _exit() is necessary since we want a hard close of the library */
HD_exit(EXIT_SUCCESS);
error:
H5E_BEGIN_TRY { H5Pclose(fapl_id); }
H5E_END_TRY;
HDexit(EXIT_FAILURE);
} /* end main() */
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