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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 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. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: swmr_start_write.c
+ *
+ * Purpose: This program enables SWMR writing mode via H5Fstart_swmr_write().
+ * It writes data to a randomly selected subset of the datasets
+ * in the SWMR test file; and it is intended to run concurrently
+ * with the swmr_reader program.
+ *
+ * NOTE: The routines in this program are basically copied and modified from
+ * swmr*.c.
+ *-------------------------------------------------------------------------
+ */
+
+/***********/
+/* Headers */
+/***********/
+
+#include "h5test.h"
+#include "swmr_common.h"
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+static hid_t create_file(const char *filename, hbool_t verbose,
+ FILE *verbose_file, unsigned random_seed);
+static int create_datasets(hid_t fid, int comp_level, hbool_t verbose,
+ FILE *verbose_file, const char *index_type);
+static int create_close_datasets(hid_t fid, int comp_level, hbool_t verbose,
+ FILE *verbose_file);
+static int open_datasets(hid_t fid, hbool_t verbose, FILE *verbose_file);
+static hid_t open_file(const char *filename, hbool_t verbose,
+ FILE *verbose_file);
+static int add_records(hid_t fid, hbool_t verbose, FILE *verbose_file,
+ unsigned long nrecords, unsigned long flush_count);
+static void usage(void);
+
+#define CHUNK_SIZE 50 /* Chunk size for created datasets */
+
+
+/*-------------------------------------------------------------------------
+ * Function: create_file
+ *
+ * Purpose: Creates the HDF5 file (without SWMR access) which
+ * which will be used for testing H5Fstart_swmr_write().
+ *
+ * Parameters:
+ * filename: The SWMR test file's name.
+ * verbose: whether verbose console output is desired.
+ * verbose_file: file pointer for verbose output
+ * random_seed: The random seed to store in the file.
+ * The sparse tests use this value.
+ *
+ * Return: Success: the file ID
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static hid_t
+create_file(const char *filename, hbool_t verbose, FILE *verbose_file,
+ unsigned random_seed)
+{
+ hid_t fid; /* File ID for new HDF5 file */
+ hid_t fcpl; /* File creation property list */
+ hid_t fapl; /* File access property list */
+ hid_t sid; /* Dataspace ID */
+ hid_t aid; /* Attribute ID */
+
+ HDassert(filename);
+
+ /* Create file access property list */
+ if((fapl = h5_fileaccess()) < 0)
+ return -1;
+
+ /* We ALWAYS select the latest file format for SWMR */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+ return -1;
+
+ if(verbose) {
+ char verbose_name[1024];
+
+ HDsnprintf(verbose_name, sizeof(verbose_name), "swmr_start_write.log.%u", random_seed);
+
+ H5Pset_fapl_log(fapl, verbose_name, H5FD_LOG_ALL, (size_t)(512 * 1024 * 1024));
+ } /* end if */
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ return -1;
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Creating file without SWMR access\n");
+
+ /* Create the file */
+ if((fid = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl)) < 0)
+ return -1;
+
+ /* Close file creation property list */
+ if(H5Pclose(fcpl) < 0)
+ return -1;
+
+ /* Close file access property list */
+ if(H5Pclose(fapl) < 0)
+ return -1;
+
+ /* Create attribute with (shared) random number seed - for sparse test */
+ if((sid = H5Screate(H5S_SCALAR)) < 0)
+ return -1;
+ if((aid = H5Acreate2(fid, "seed", H5T_NATIVE_UINT, sid, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+ return -1;
+ if(H5Awrite(aid, H5T_NATIVE_UINT, &random_seed) < 0)
+ return -1;
+ if(H5Sclose(sid) < 0)
+ return -1;
+ if(H5Aclose(aid) < 0)
+ return -1;
+
+ return fid;
+} /* end create_file() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: create_datasets
+ *
+ * Purpose: Create datasets (and keep them opened) which will be used for testing
+ * H5Fstart_swmr_write().
+ *
+ * Parameters:
+ * fid: file ID for the SWMR test file
+ * comp_level: the compresssion level
+ * index_type: The chunk index type (b1 | b2 | ea | fa)
+ * verbose: whether verbose console output is desired.
+ * verbose_file: file pointer for verbose output
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+create_datasets(hid_t fid, int comp_level, hbool_t verbose, FILE *verbose_file,
+ const char *index_type)
+{
+ hid_t dcpl; /* Dataset creation property list */
+ hid_t tid; /* Datatype for dataset elements */
+ hid_t sid; /* Dataspace ID */
+ hsize_t dims[2] = {1, 0}; /* Dataset starting dimensions */
+ hsize_t max_dims[2] = {1, H5S_UNLIMITED}; /* Dataset maximum dimensions */
+ hsize_t chunk_dims[2] = {1, CHUNK_SIZE}; /* Chunk dimensions */
+ unsigned u, v; /* Local index variable */
+
+ HDassert(index_type);
+
+ /* Create datatype for creating datasets */
+ if((tid = create_symbol_datatype()) < 0)
+ return -1;
+
+ /* There are two chunk indexes tested here.
+ * With one unlimited dimension, we get the extensible array index
+ * type, with two unlimited dimensions, we get a v-2 B-tree.
+ */
+ if(!HDstrcmp(index_type, "b2"))
+ max_dims[0] = H5S_UNLIMITED;
+
+ /* Create dataspace for creating datasets */
+ if((sid = H5Screate_simple(2, dims, max_dims)) < 0)
+ return -1;
+
+ /* Create dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ return -1;
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ return -1;
+ if(comp_level >= 0) {
+ if(H5Pset_deflate(dcpl, (unsigned)comp_level) < 0)
+ return -1;
+ } /* end if */
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Creating datasets\n");
+
+ /* Create the datasets */
+ for(u = 0; u < NLEVELS; u++)
+ for(v = 0; v < symbol_count[u]; v++) {
+
+ if((symbol_info[u][v].dsid = H5Dcreate2(fid, symbol_info[u][v].name, tid, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ return -1;
+ symbol_info[u][v].nrecords = 0;
+
+ } /* end for */
+
+ return 0;
+} /* create_datasets() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: create_close_datasets
+ *
+ * Purpose: Create and close datasets which will be used for testing
+ * H5Fstart_swmr_write().
+ *
+ * Parameters:
+ * fid: file ID for the SWMR test file
+ * comp_level: the compresssion level
+ * verbose: whether verbose console output is desired.
+ * verbose_file: file pointer for verbose output
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+create_close_datasets(hid_t fid, int comp_level, hbool_t verbose, FILE *verbose_file)
+{
+ hid_t dcpl; /* Dataset creation property list */
+ hid_t tid; /* Datatype for dataset elements */
+ hid_t sid; /* Dataspace ID */
+ hsize_t dims[2] = {1, 0}; /* Dataset starting dimensions */
+ hsize_t max_dims[2] = {1, H5S_UNLIMITED}; /* Dataset maximum dimensions */
+ hsize_t chunk_dims[2] = {1, CHUNK_SIZE}; /* Chunk dimensions */
+ unsigned u, v; /* Local index variable */
+
+ /* Create datatype for creating datasets */
+ if((tid = create_symbol_datatype()) < 0)
+ return -1;
+
+ /* Create dataspace for creating datasets */
+ if((sid = H5Screate_simple(2, dims, max_dims)) < 0)
+ return -1;
+
+ /* Create dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ return -1;
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ return -1;
+ if(comp_level >= 0) {
+ if(H5Pset_deflate(dcpl, (unsigned)comp_level) < 0)
+ return -1;
+ } /* end if */
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Creating datasets\n");
+
+ /* Create the datasets */
+ for(u = 0; u < NLEVELS; u++)
+ for(v = 0; v < symbol_count[u]; v++) {
+ hid_t dsid; /* Dataset ID */
+ char name_buf[64];
+
+ generate_name(name_buf, u, v);
+ if((dsid = H5Dcreate2(fid, name_buf, tid, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ return -1;
+
+ if(H5Dclose(dsid) < 0)
+ return -1;
+ } /* end for */
+
+ /* Closing */
+ if(H5Pclose(dcpl) < 0)
+ return -1;
+ if(H5Sclose(sid) < 0)
+ return -1;
+ if(H5Tclose(tid) < 0)
+ return -1;
+
+ return 0;
+} /* create_close_datasets() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: open_file
+ *
+ * Purpose: Opens the HDF5 test file without SWMR access.
+ *
+ * Parameters:
+ * filename: The filename of the HDF5 file to open
+ * verbose: whether or not to emit verbose console messages
+ * verbose_file: file pointer for verbose output
+ *
+ * Return: Success: The file ID of the opened SWMR file
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static hid_t
+open_file(const char *filename, hbool_t verbose, FILE *verbose_file)
+{
+ hid_t fid; /* File ID for new HDF5 file */
+ hid_t fapl; /* File access property list */
+
+ HDassert(filename);
+
+ /* Create file access property list */
+ if((fapl = h5_fileaccess()) < 0)
+ return -1;
+
+ /* Set to use the latest library format */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+ return -1;
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Opening the file without SWMR access: %s\n", filename);
+
+ /* Open the file */
+ if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
+ return -1;
+
+ /* Close file access property list */
+ if(H5Pclose(fapl) < 0)
+ return -1;
+
+ return fid;
+} /* Open file() */
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: open_datasets
+ *
+ * Purpose: Opens the datasets.
+ *
+ * Parameters:
+ * filename: the filename of the SWMR HDF5 file to open
+ * verbose: whether or not to emit verbose console messages
+ * verbose_file: file pointer for verbose output
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+open_datasets(hid_t fid, hbool_t verbose, FILE *verbose_file)
+{
+ unsigned u, v; /* Local index variable */
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Opening datasets\n");
+
+ /* Open the datasets */
+ for(u = 0; u < NLEVELS; u++)
+ for(v = 0; v < symbol_count[u]; v++) {
+ if((symbol_info[u][v].dsid = H5Dopen2(fid, symbol_info[u][v].name, H5P_DEFAULT)) < 0)
+ return -1;
+ symbol_info[u][v].nrecords = 0;
+ } /* end for */
+
+ return 0;
+} /* open_datasets() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: add_records
+ *
+ * Purpose: Writes a specified number of records to random datasets in
+ * the SWMR test file.
+ *
+ * Parameters:
+ * fid: The file ID of the SWMR HDF5 file
+ * verbose: Whether or not to emit verbose console messages
+ * verbose_file: file pointer for verbose output
+ * nrecords: # of records to write to the datasets
+ * flush_count: # of records to write before flushing the file to disk
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+add_records(hid_t fid, hbool_t verbose, FILE *verbose_file,
+ unsigned long nrecords, unsigned long flush_count)
+{
+ hid_t tid; /* Datatype ID for records */
+ hid_t mem_sid; /* Memory dataspace ID */
+ hsize_t start[2] = {0, 0}, count[2] = {1, 1}; /* Hyperslab selection values */
+ hsize_t dim[2] = {1, 0}; /* Dataspace dimensions */
+ symbol_t record; /* The record to add to the dataset */
+ unsigned long rec_to_flush; /* # of records left to write before flush */
+ unsigned long u, v; /* Local index variables */
+
+ HDassert(fid >= 0);
+
+ /* Reset the record */
+ /* (record's 'info' field might need to change for each record written, also) */
+ HDmemset(&record, 0, sizeof(record));
+
+ /* Create a dataspace for the record to add */
+ if((mem_sid = H5Screate(H5S_SCALAR)) < 0)
+ return -1;
+
+ /* Create datatype for appending records */
+ if((tid = create_symbol_datatype()) < 0)
+ return -1;
+
+ /* Add records to random datasets, according to frequency distribution */
+ rec_to_flush = flush_count;
+ for(u = 0; u < nrecords; u++) {
+ symbol_info_t *symbol; /* Symbol to write record to */
+ hid_t file_sid; /* Dataset's space ID */
+
+ /* Get a random dataset, according to the symbol distribution */
+ symbol = choose_dataset();
+
+ /* Set the record's ID (equal to its position) */
+ record.rec_id = symbol->nrecords;
+
+ /* Get the coordinate to write */
+ start[1] = symbol->nrecords;
+
+ /* Cork the metadata cache, to prevent the object header from being
+ * flushed before the data has been written */
+ if(H5Odisable_mdc_flushes(symbol->dsid) < 0)
+ return -1;
+
+ /* Extend the dataset's dataspace to hold the new record */
+ symbol->nrecords++;
+ dim[1] = symbol->nrecords;
+ if(H5Dset_extent(symbol->dsid, dim) < 0)
+ return -1;
+
+ /* Get the dataset's dataspace */
+ if((file_sid = H5Dget_space(symbol->dsid)) < 0)
+ return -1;
+
+ /* Choose the last record in the dataset */
+ if(H5Sselect_hyperslab(file_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0)
+ return -1;
+
+ /* Write record to the dataset */
+ if(H5Dwrite(symbol->dsid, tid, mem_sid, file_sid, H5P_DEFAULT, &record) < 0)
+ return -1;
+
+ /* Uncork the metadata cache */
+ if(H5Oenable_mdc_flushes(symbol->dsid) < 0)
+ return -1;
+
+ /* Close the dataset's dataspace */
+ if(H5Sclose(file_sid) < 0)
+ return -1;
+
+ /* Check for flushing file */
+ if(flush_count > 0) {
+ /* Decrement count of records to write before flushing */
+ rec_to_flush--;
+
+ /* Check for counter being reached */
+ if(0 == rec_to_flush) {
+ /* Flush contents of file */
+ if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
+ return -1;
+
+ /* Reset flush counter */
+ rec_to_flush = flush_count;
+ } /* end if */
+ } /* end if */
+ } /* end for */
+
+ /* Close the memory dataspace */
+ if(H5Sclose(mem_sid) < 0)
+ return -1;
+
+ /* Close the datatype */
+ if(H5Tclose(tid) < 0)
+ return -1;
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Closing datasets\n");
+
+ /* Close the datasets */
+ for(u = 0; u < NLEVELS; u++)
+ for(v = 0; v < symbol_count[u]; v++)
+ if(H5Dclose(symbol_info[u][v].dsid) < 0)
+ return -1;
+
+ return 0;
+} /* add_records() */
+
+static void
+usage(void)
+{
+ printf("\n");
+ printf("Usage error!\n");
+ printf("\n");
+ printf("Usage: swmr_start_write [-f <# of records to write between flushing file contents>]\n");
+ printf(" [-i <index type>] [-c <deflate compression level>]\n");
+ printf(" [-r <random seed>] [-q] <# of records>\n");
+ printf("\n");
+ printf("<# of records to write between flushing file contents> should be 0\n");
+ printf("(for no flushing) or between 1 and (<# of records> - 1).\n");
+ printf("\n");
+ printf("<index type> should be b2 or ea\n");
+ printf("\n");
+ printf("<deflate compression level> should be -1 (for no compression) or 0-9\n");
+ printf("\n");
+ printf("<# of records> must be specified.\n");
+ printf("\n");
+ printf("Defaults to flushing every 10000 records ('-f 10000'),\n");
+ printf("v1 b-tree indexing (-i b1), compression ('-c -1'),\n");
+ printf("will generate a random seed (no -r given), and verbose (no '-q' given)\n");
+ printf("\n");
+ HDexit(1);
+} /* usage() */
+
+/*
+ * Can test with different scenarios as below:
+ * 1) create_file(), create_datasets(), H5Fstart_swmr_write(), add_records(), H5Fclose().
+ * 2) create_file(), create_close_datasets(), open_datasets(), H5Fstart_swmr_write(), add_records(), H5Fclose().
+ * 3) create_file(), create_close_datasets(), H5Fclose(),
+ * open_file(), open_dataset(), H5Fstart_swmr_write(), add_records(), H5Fclose().
+ */
+int main(int argc, const char *argv[])
+{
+ hid_t fid; /* File ID for file opened */
+ long nrecords = 0; /* # of records to append */
+ long flush_count = 10000; /* # of records to write between flushing file */
+ hbool_t verbose = TRUE; /* Whether to emit some informational messages */
+ FILE *verbose_file = NULL; /* File handle for verbose output */
+ hbool_t use_seed = FALSE; /* Set to TRUE if a seed was set on the command line */
+ unsigned random_seed = 0; /* Random # seed */
+ int comp_level = -1; /* Compression level (-1 is no compression) */
+ const char *index_type = "b1"; /* Chunk index type */
+ unsigned u; /* Local index variable */
+ int temp; /* Temporary variable */
+
+ /* Parse command line options */
+ if(argc < 2)
+ usage();
+ if(argc > 1) {
+ u = 1;
+ while(u < (unsigned)argc) {
+ if(argv[u][0] == '-') {
+ switch(argv[u][1]) {
+ /* Compress dataset chunks */
+ case 'c':
+ comp_level = HDatoi(argv[u + 1]);
+ if(comp_level < -1 || comp_level > 9)
+ usage();
+ u += 2;
+ break;
+
+ /* Chunk index type */
+ case 'i':
+ index_type = argv[u + 1];
+ if(HDstrcmp(index_type, "ea")
+ && HDstrcmp(index_type, "b2"))
+ usage();
+ u += 2;
+ break;
+
+ /* # of records to write between flushing file */
+ case 'f':
+ flush_count = HDatol(argv[u + 1]);
+ if(flush_count < 0)
+ usage();
+ u += 2;
+ break;
+
+ /* Be quiet */
+ case 'q':
+ verbose = FALSE;
+ u++;
+ break;
+
+ /* Random # seed */
+ case 'r':
+ use_seed = TRUE;
+ temp = HDatoi(argv[u + 1]);
+ if(temp < 0)
+ usage();
+ else
+ random_seed = (unsigned)temp;
+ u += 2;
+ break;
+
+ default:
+ usage();
+ break;
+ } /* end switch */
+ } /* end if */
+ else {
+ /* Get the number of records to append */
+ nrecords = HDatol(argv[u]);
+ if(nrecords <= 0)
+ usage();
+
+ u++;
+ } /* end else */
+ } /* end while */
+ } /* end if */
+
+ if(nrecords <= 0)
+ usage();
+ if(flush_count >= nrecords)
+ usage();
+
+ /* Set the random seed */
+ if(!use_seed) {
+ struct timeval t;
+
+ HDgettimeofday(&t, NULL);
+ random_seed = (unsigned)(t.tv_usec);
+ } /* end if */
+ HDsrandom(random_seed);
+
+ /* Open output file */
+ if(verbose) {
+ char verbose_name[1024];
+
+ HDsnprintf(verbose_name, sizeof(verbose_name), "swmr_writer.out.%u", random_seed);
+ if(NULL == (verbose_file = HDfopen(verbose_name, "w"))) {
+ HDfprintf(stderr, "Can't open verbose output file!\n");
+ HDexit(1);
+ }
+ } /* end if */
+
+ /* Emit informational message */
+ if(verbose) {
+ HDfprintf(verbose_file, "Parameters:\n");
+ HDfprintf(verbose_file, "\tindex type = %s\n", index_type);
+ HDfprintf(verbose_file, "\tcompression level = %d\n", comp_level);
+ HDfprintf(verbose_file, "\t# of records between flushes = %ld\n", flush_count);
+ HDfprintf(verbose_file, "\t# of records to write = %ld\n", nrecords);
+ } /* end if */
+
+ /* ALWAYS emit the random seed for possible debugging */
+ HDfprintf(stdout, "Using writer random seed: %u\n", random_seed);
+
+ /* Create the test file */
+ if((fid = create_file(FILENAME, verbose, verbose_file, random_seed)) < 0) {
+ HDfprintf(stderr, "Error creating the file...\n");
+ HDexit(1);
+ }
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Generating symbol names\n");
+
+ /* Generate dataset names */
+ if(generate_symbols() < 0)
+ return -1;
+
+ /* Create the datasets in the file */
+ if(create_datasets(fid, comp_level, verbose, verbose_file, index_type) < 0) {
+ HDfprintf(stderr, "Error creating datasets...\n");
+ HDexit(1);
+ }
+
+ /* Enable SWMR writing mode */
+ if(H5Fstart_swmr_write(fid) < 0) {
+ HDfprintf(stderr, "Error starting SWMR writing mode...\n");
+ HDexit(1);
+ }
+
+ /* Send a message to indicate "H5Fopen" is complete--releasing the file lock */
+ h5_send_message(WRITER_MESSAGE, NULL, NULL);
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Adding records\n");
+
+ /* Append records to datasets */
+ if(add_records(fid, verbose, verbose_file, (unsigned long)nrecords, (unsigned long)flush_count) < 0) {
+ HDfprintf(stderr, "Error appending records to datasets!\n");
+ HDexit(1);
+ } /* end if */
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Releasing symbols\n");
+
+ /* Clean up the symbols */
+ if(shutdown_symbols() < 0) {
+ HDfprintf(stderr, "Error releasing symbols!\n");
+ HDexit(1);
+ } /* end if */
+
+ /* Emit informational message */
+ if(verbose)
+ HDfprintf(verbose_file, "Closing the file\n");
+
+ /* Close objects opened */
+ if(H5Fclose(fid) < 0) {
+ HDfprintf(stderr, "Error closing file!\n");
+ HDexit(1);
+ } /* end if */
+
+ return 0;
+} /* main() */
+