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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://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Leon Arber <larber@uiuc.edu>
* Sept. 28, 2006.
*
* Purpose: This is the second half of a two-part test that makes sure
* that a file can be read after a parallel 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",
"noflush",
NULL
};
static double the_data[100][100];
/*-------------------------------------------------------------------------
* Function: check_file
*
* Purpose: Part 2 of a two-part H5Fflush() test.
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Leon Arber
* Sept. 26, 2006.
*
*-------------------------------------------------------------------------
*/
static int
check_file(char* name, hid_t fapl)
{
hid_t file, space, dset, groups, grp, plist;
hsize_t ds_size[2];
double error;
hsize_t i, j;
plist = H5Pcreate(H5P_DATASET_XFER);
H5Pset_dxpl_mpio(plist, H5FD_MPIO_COLLECTIVE);
if((file = H5Fopen(name, H5F_ACC_RDONLY, fapl)) < 0) goto error;
/* Open the dataset */
if((dset = H5Dopen2(file, "dset", H5P_DEFAULT)) < 0) goto error;
if((space = H5Dget_space(dset)) < 0) goto error;
if(H5Sget_simple_extent_dims(space, ds_size, NULL) < 0) goto error;
assert(100==ds_size[0] && 100==ds_size[1]);
/* Read some data */
if (H5Dread(dset, H5T_NATIVE_DOUBLE, space, space, plist,
the_data) < 0) goto error;
for (i=0; i<ds_size[0]; i++) {
for (j=0; j<ds_size[1]; j++) {
/*
* The extra cast in the following statement is a bug workaround
* for the Win32 version 5.0 compiler.
* 1998-11-06 ptl
*/
error = fabs(the_data[i][j]-(double)(hssize_t)i/((hssize_t)j+1));
if (error>0.0001) {
H5_FAILED();
printf(" dset[%lu][%lu] = %g\n",
(unsigned long)i, (unsigned long)j, the_data[i][j]);
printf(" should be %g\n",
(double)(hssize_t)i/(hssize_t)(j+1));
goto error;
}
}
}
/* Open some groups */
if((groups = H5Gopen2(file, "some_groups", H5P_DEFAULT)) < 0) goto error;
for(i = 0; i < 100; i++) {
sprintf(name, "grp%02u", (unsigned)i);
if((grp = H5Gopen2(groups, name, H5P_DEFAULT)) < 0) goto error;
if(H5Gclose(grp) < 0) goto error;
}
if(H5Gclose(groups) < 0) goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Fclose(file) < 0) goto error;
if(H5Pclose(plist) < 0) goto error;
if(H5Sclose(space) < 0) goto error;
return 0;
error:
H5E_BEGIN_TRY {
H5Pclose(plist);
H5Gclose(groups);
H5Dclose(dset);
H5Fclose(file);
H5Sclose(space);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Part 2 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 to check for case where the was file not flushed.
*
*-------------------------------------------------------------------------
*/
int
main(int argc, char* argv[])
{
hid_t fapl1, fapl2;
H5E_auto2_t func;
char name[1024];
const char *envval = NULL;
int mpi_size, mpi_rank;
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
MPI_Init(&argc, &argv);
MPI_Comm_size(comm, &mpi_size);
MPI_Comm_rank(comm, &mpi_rank);
fapl1 = H5Pcreate(H5P_FILE_ACCESS);
H5Pset_fapl_mpio(fapl1, comm, info);
fapl2 = H5Pcreate(H5P_FILE_ACCESS);
H5Pset_fapl_mpio(fapl2, comm, info);
if(mpi_rank == 0)
TESTING("H5Fflush (part2 with flush)");
/* Don't run this test using the core or split file drivers */
envval = HDgetenv("HDF5_DRIVER");
if (envval == NULL)
envval = "nomatch";
if (HDstrcmp(envval, "core") && HDstrcmp(envval, "split")) {
/* Check the case where the file was flushed */
h5_fixname(FILENAME[0], fapl1, name, sizeof name);
if(check_file(name, fapl1))
{
H5_FAILED()
goto error;
}
else if(mpi_rank == 0)
{
PASSED()
}
/* Check the case where the file was not flushed. This should give an error
* so we turn off the error stack temporarily */
if(mpi_rank == 0)
TESTING("H5Fflush (part2 without flush)");
H5Eget_auto2(H5E_DEFAULT,&func,NULL);
H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
h5_fixname(FILENAME[1], fapl2, name, sizeof name);
if(check_file(name, fapl2))
{
if(mpi_rank == 0)
{
PASSED()
}
}
else
{
H5_FAILED()
goto error;
}
H5Eset_auto2(H5E_DEFAULT, func, NULL);
h5_clean_files(&FILENAME[0], fapl1);
h5_clean_files(&FILENAME[1], fapl2);
}
else
{
SKIPPED();
puts(" Test not compatible with current Virtual File Driver");
}
MPI_Finalize();
return 0;
error:
return 1;
}
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