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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* 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(0) since this doesn't flush HDF5 caches but
* still exits with success.
*/
#include <h5test.h>
const char *FILENAME[] = {
"flush",
NULL
};
static double the_data[100][100];
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Part 1 of a two-part H5Fflush() test.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Robb Matzke
* Friday, October 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl, file, dcpl, space, dset, groups, grp;
hsize_t ds_size[2] = {100, 100};
hsize_t ch_size[2] = {5, 5};
hsize_t i, j;
char name[1024];
h5_reset();
fapl = h5_fileaccess();
TESTING("H5Fflush (part1)");
/* Create the file */
h5_fixname(FILENAME[0], fapl, name, sizeof name);
if ((file=H5Fcreate(name, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) goto error;
/* 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=H5Dcreate(file, "dset", H5T_NATIVE_FLOAT, space, 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<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;
/* Create some groups */
if ((groups=H5Gcreate(file, "some_groups", 0))<0) goto error;
for (i=0; i<100; i++) {
sprintf(name, "grp%02u", (unsigned)i);
if ((grp=H5Gcreate(groups, name, 0))<0) goto error;
if (H5Gclose(grp)<0) goto error;
}
/* Flush and exit without closing the library */
if (H5Fflush(file, H5F_SCOPE_GLOBAL)<0) goto error;
PASSED();
fflush(stdout);
fflush(stderr);
_exit(0);
return 0;
error:
_exit(1);
return 1;
}
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