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Diffstat (limited to 'testpar/t_pflush2.c')
| -rw-r--r-- | testpar/t_pflush2.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/testpar/t_pflush2.c b/testpar/t_pflush2.c new file mode 100644 index 0000000..8d1a257 --- /dev/null +++ b/testpar/t_pflush2.c @@ -0,0 +1,203 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * 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. + * + *------------------------------------------------------------------------- + */ +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=H5Dopen(file, "dset"))<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=H5Gopen(file, "some_groups"))<0) goto error; + for (i=0; i<100; i++) { + sprintf(name, "grp%02u", (unsigned)i); + if ((grp=H5Gopen(groups, name))<0) goto error; + if (H5Gclose(grp)<0) goto error; + } + + if (H5Gclose(groups)<0) goto error; + if (H5Pclose(plist)<0) goto error; + if (H5Dclose(dset)<0) goto error; + if (H5Fclose(file)<0) goto error; + return 0; +error: + 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 fapl; + H5E_auto_stack_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); + + fapl = H5Pcreate(H5P_FILE_ACCESS); + H5Pset_fapl_mpio(fapl, 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], fapl, name, sizeof name); + if(check_file(name, fapl)) + { + 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_auto_stack(H5E_DEFAULT,&func,NULL); + H5Eset_auto_stack(H5E_DEFAULT, NULL, NULL); + + h5_fixname(FILENAME[1], fapl, name, sizeof name); + if(check_file(name, fapl)) + { + if(mpi_rank == 0) + PASSED() + } + else + { + H5_FAILED() + goto error; + } + H5Eset_auto_stack(H5E_DEFAULT, func, NULL); + + + h5_cleanup(FILENAME, fapl); + } + else + { + SKIPPED(); + puts(" Test not compatible with current Virtual File Driver"); + } + return 0; + + error: + return 1; +} + + + + |