/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 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://hdfgroup.org/HDF5/doc/Copyright.html. 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(0) 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 used in part 1 of the test * * Return: Success: 0 * * Failure: 1 * * Programmer: Leon Arber * Sept. 26, 2006 * * Modifications: * *------------------------------------------------------------------------- */ static hid_t create_file(char* name, hid_t fapl) { hid_t file, dcpl, space, dset, groups, grp; hsize_t ds_size[2] = {100, 100}; hsize_t ch_size[2] = {5, 5}; size_t i, j; 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<(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; /* 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; } return file; 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=H5Dcreate(file, "dset2", 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<(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 file, fapl; char name[1024]; const char *envval = NULL; h5_reset(); fapl = h5_fileaccess(); TESTING("H5Fflush (part1)"); envval = HDgetenv("HDF5_DRIVER"); if (envval == NULL) envval = "nomatch"; if (HDstrcmp(envval, "split")) { /* Create the file */ h5_fixname(FILENAME[0], fapl, name, sizeof name); file = create_file(name, fapl); /* Flush and exit without closing the library */ if (H5Fflush(file, H5F_SCOPE_GLOBAL)<0) goto error; /* Create the file */ h5_fixname(FILENAME[2], fapl, name, sizeof name); file = create_file(name, fapl); /* Flush and exit without closing the library */ if (H5Fflush(file, H5F_SCOPE_GLOBAL)<0) goto error; /* Add a bit to the file and don't flush the new part */ extend_file(file); /* Create the other file which will not be flushed */ h5_fixname(FILENAME[1], fapl, name, sizeof name); file = create_file(name, fapl); PASSED(); fflush(stdout); fflush(stderr); } else { SKIPPED(); puts(" Test not compatible with current Virtual File Driver"); } HD_exit(0); error: HD_exit(1); return 1; }