mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-27 02:10:55 +08:00
ed7d456e51
Tested platform: Kagiso only since it is only a comment block change. If it works in one machine, it should work in all, I hope. Still need to check the parallel build on copper.
212 lines
6.2 KiB
C
212 lines
6.2 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Leon Arber <larber@uiuc.edu>
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* Sept. 28, 2006.
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*
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* Purpose: This is the first half of a two-part test that makes sure
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* that a file can be read after a parallel application crashes as long
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* as the file was flushed first. We simulate a crash by
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* calling _exit(0) since this doesn't flush HDF5 caches but
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* still exits with success.
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*/
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#include <mpi.h>
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#include "h5test.h"
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const char *FILENAME[] = {
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"flush",
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"noflush",
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NULL
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};
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static double the_data[100][100];
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/*-------------------------------------------------------------------------
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* Function: create_file
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*
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* Purpose: Creates file used in part 1 of the test
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*
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* Return: Success: 0
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*
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* Failure: 1
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*
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* Programmer: Leon Arber
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* Sept. 26, 2006
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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hid_t create_file(char* name, hid_t fapl)
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{
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hid_t file, dcpl, space, dset, groups, grp, plist;
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hsize_t ds_size[2] = {100, 100};
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hsize_t ch_size[2] = {5, 5};
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hsize_t i, j;
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if ((file=H5Fcreate(name, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) goto error;
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/* Create a chunked dataset */
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if ((dcpl=H5Pcreate(H5P_DATASET_CREATE))<0) goto error;
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if (H5Pset_chunk(dcpl, 2, ch_size)<0) goto error;
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if ((space=H5Screate_simple(2, ds_size, NULL))<0) goto error;
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if ((dset=H5Dcreate(file, "dset", H5T_NATIVE_FLOAT, space, H5P_DEFAULT))<0)
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goto error;
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plist = H5Pcreate(H5P_DATASET_XFER);
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H5Pset_dxpl_mpio(plist, H5FD_MPIO_COLLECTIVE);
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/* Write some data */
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for (i=0; i<ds_size[0]; i++) {
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/*
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* The extra cast in the following statement is a bug workaround
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* for the Win32 version 5.0 compiler.
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* 1998-11-06 ptl
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*/
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for (j=0; j<ds_size[1]; j++) {
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the_data[i][j] = (double)(hssize_t)i/(hssize_t)(j+1);
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}
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}
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if (H5Dwrite(dset, H5T_NATIVE_DOUBLE, space, space, plist,
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the_data)<0) goto error;
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/* Create some groups */
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if ((groups=H5Gcreate(file, "some_groups", 0))<0) goto error;
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for (i=0; i<100; i++) {
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sprintf(name, "grp%02u", (unsigned)i);
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if ((grp=H5Gcreate(groups, name, 0))<0) goto error;
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if (H5Gclose(grp)<0) goto error;
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}
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return file;
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error:
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HD_exit(1);
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}
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/*-------------------------------------------------------------------------
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* Function: main
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*
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* Purpose: Part 1 of a two-part H5Fflush() test.
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*
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* Return: Success: 0
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*
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* Failure: 1
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*
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* Programmer: Robb Matzke
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* Friday, October 23, 1998
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*
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* Modifications:
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* Leon Arber
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* Sept. 26, 2006, expand test to check for failure if H5Fflush is not called.
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*
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*
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*-------------------------------------------------------------------------
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*/
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int
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main(int argc, char* argv[])
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{
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hid_t file1, file2, fapl;
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MPI_File mpifh=-2;
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int *mpifh_p = NULL;
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char name[1024];
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const char *envval = NULL;
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int mpi_size, mpi_rank;
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MPI_Comm comm = MPI_COMM_WORLD;
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MPI_Info info = MPI_INFO_NULL;
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MPI_Init(&argc, &argv);
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MPI_Comm_size(comm, &mpi_size);
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MPI_Comm_rank(comm, &mpi_rank);
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fapl = H5Pcreate(H5P_FILE_ACCESS);
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H5Pset_fapl_mpio(fapl, comm, info);
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if(mpi_rank == 0)
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TESTING("H5Fflush (part1)");
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envval = HDgetenv("HDF5_DRIVER");
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if (envval == NULL)
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envval = "nomatch";
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if (HDstrcmp(envval, "split")) {
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/* Create the file */
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h5_fixname(FILENAME[0], fapl, name, sizeof name);
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file1 = create_file(name, fapl);
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/* Flush and exit without closing the library */
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if (H5Fflush(file1, H5F_SCOPE_GLOBAL)<0) goto error;
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/* Create the other file which will not be flushed */
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h5_fixname(FILENAME[1], fapl, name, sizeof name);
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file2 = create_file(name, fapl);
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if(mpi_rank == 0)
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PASSED();
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fflush(stdout);
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fflush(stderr);
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}
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else
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{
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SKIPPED();
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puts(" Test not compatible with current Virtual File Driver");
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}
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/*
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* Some systems like Linux with mpich, if you just _exit without MPI_Finalize
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* called, it would terminate but left the launching process waiting forever.
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* OTHO, some systems like AIX do not like files not closed when MPI_Finalize
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* is called. So, we need to get the MPI file handles, close them by hand,
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* then MPI_Finalize. Then the _exit is still needed to stop at_exit from
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* happening in some systems.
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* Note that MPIO VFD returns the address of the file-handle in the VFD struct
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* because MPI_File_close wants to modify the file-handle variable.
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*/
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/* close file1 */
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if (H5Fget_vfd_handle(file1, fapl, (void **)&mpifh_p)<0){
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printf("H5Fget_vfd_handle for file1 failed\n");
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goto error;
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}
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if (MPI_File_close(mpifh_p)!=MPI_SUCCESS){
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printf("MPI_File_close for file1 failed\n");
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goto error;
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}
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/* close file2 */
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if (H5Fget_vfd_handle(file2, fapl, (void **)&mpifh_p)<0){
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printf("H5Fget_vfd_handle for file2 failed\n");
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goto error;
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}
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if (MPI_File_close(mpifh_p)!=MPI_SUCCESS){
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printf("MPI_File_close for file2 failed\n");
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goto error;
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}
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fflush(stdout);
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fflush(stderr);
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MPI_Finalize();
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HD_exit(0);
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error:
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fflush(stdout);
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fflush(stderr);
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MPI_Finalize();
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HD_exit(1);
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}
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