/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /******************************************************************** * * Testing thread safety. Deliberate per-thread errors to test error stack * ----------------------------------------------------------------------- * * Create 16 multiple threads to create datasets with the same name. The * library should respond with 15 equivalent error stack printouts (one for * each bad thread). The final hdf5 file should be a valid file with one * entry. * * Temporary files generated: * * ttsafe_error.h5 * * HDF5 APIs exercised in thread: * * H5Screate_simple, H5Tcopy, H5Tset_order, H5Dcreate2, H5Dclose, * H5Tclose, H5Sclose. * * Created: Apr 28 2000 * Programmer: Chee Wai LEE * * Modification History * -------------------- * * 19 May 2000, Bill Wendling * Modified so that it creates a unique HDF5 file and removes it on * cleanup. * ********************************************************************/ #include "ttsafe.h" #ifdef H5_HAVE_THREADSAFE #define NUM_THREAD 16 #define FILENAME "ttsafe_error.h5" /* Having a common dataset name is an error */ #define DATASETNAME "commonname" #define EXPECTED_ERROR_DEPTH 8 #define WRITE_NUMBER 37 static herr_t error_callback(hid_t , void *); static herr_t walk_error_callback(unsigned, const H5E_error2_t *, void *); static void *tts_error_thread(void *); /* Global variables */ hid_t error_file; typedef struct err_num_struct { hid_t maj_num; hid_t min_num; } err_num_t; err_num_t expected[8]; int error_flag = 0; int error_count = 0; H5TS_mutex_simple_t error_mutex; void tts_error(void) { H5TS_thread_t threads[NUM_THREAD]; H5TS_attr_t attribute; hid_t dataset; int value, i; int ret; /* Must initialize these at runtime */ expected[0].maj_num = H5E_DATASET; expected[0].min_num = H5E_CANTINIT; expected[1].maj_num = H5E_DATASET; expected[1].min_num = H5E_CANTINIT; expected[2].maj_num = H5E_LINK; expected[2].min_num = H5E_CANTINIT; expected[3].maj_num = H5E_SYM; expected[3].min_num = H5E_CANTINSERT; expected[4].maj_num = H5E_SYM; expected[4].min_num = H5E_NOTFOUND; expected[5].maj_num = H5E_SYM; expected[5].min_num = H5E_CALLBACK; expected[6].maj_num = H5E_SYM; expected[6].min_num = H5E_EXISTS; /* set up mutex for global count of errors */ H5TS_mutex_init(&error_mutex); /* make thread scheduling global */ H5TS_attr_init(&attribute); /* set thread scope to system */ #ifdef H5_HAVE_SYSTEM_SCOPE_THREADS H5TS_attr_setscope(&attribute, H5TS_SCOPE_SYSTEM); #endif /* H5_HAVE_SYSTEM_SCOPE_THREADS */ /* * Create a hdf5 file using H5F_ACC_TRUNC access, default file * creation plist and default file access plist */ error_file = H5Fcreate(FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); assert(error_file>=0); for (i = 0; i < NUM_THREAD; i++){ threads[i] = H5TS_create_thread(tts_error_thread, &attribute, NULL); } for (i = 0; i < NUM_THREAD; i++){ H5TS_wait_for_thread(threads[i]); } if (error_flag) TestErrPrintf("Threads reporting different error values!\n"); if (error_count != NUM_THREAD - 1) TestErrPrintf("Error: %d threads failed instead of %d\n", error_count, NUM_THREAD-1); dataset = H5Dopen2(error_file, DATASETNAME, H5P_DEFAULT); assert(dataset >= 0); ret=H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &value); assert(ret>=0); if (value != WRITE_NUMBER) TestErrPrintf("Error: Successful thread wrote value %d instead of %d\n", value, WRITE_NUMBER); ret=H5Dclose(dataset); assert(ret>=0); ret=H5Fclose(error_file); assert(ret>=0); H5TS_attr_destroy(&attribute); } static void *tts_error_thread(void H5_ATTR_UNUSED *arg) { hid_t dataspace, datatype, dataset; hsize_t dimsf[1]; /* dataset dimensions */ H5E_auto2_t old_error_cb; void *old_error_client_data; int value; int ret; /* preserve previous error stack handler */ H5Eget_auto2(H5E_DEFAULT, &old_error_cb, &old_error_client_data); /* set each thread's error stack handler */ H5Eset_auto2(H5E_DEFAULT, error_callback, NULL); /* define dataspace for dataset */ dimsf[0] = 1; dataspace = H5Screate_simple(1, dimsf, NULL); assert(dataspace >= 0); /* define datatype for the data using native little endian integers */ datatype = H5Tcopy(H5T_NATIVE_INT); assert(datatype >= 0); H5Tset_order(datatype, H5T_ORDER_LE); /* create a new dataset within the file */ dataset = H5Dcreate2(error_file, DATASETNAME, datatype, dataspace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); if(dataset >= 0) { /* not an error */ value = WRITE_NUMBER; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &value); H5Dclose(dataset); } /* end if */ ret = H5Tclose(datatype); assert(ret >= 0); ret = H5Sclose(dataspace); assert(ret >= 0); /* turn our error stack handler off */ H5Eset_auto2(H5E_DEFAULT, old_error_cb, old_error_client_data); return NULL; } static herr_t error_callback(hid_t H5_ATTR_UNUSED estack_id, void *client_data) { H5TS_mutex_lock_simple(&error_mutex); error_count++; H5TS_mutex_unlock_simple(&error_mutex); return H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, client_data); } static herr_t walk_error_callback(unsigned n, const H5E_error2_t *err_desc, void H5_ATTR_UNUSED *client_data) { hid_t maj_num, min_num; if (err_desc) { maj_num = err_desc->maj_num; min_num = err_desc->min_num; if (n < EXPECTED_ERROR_DEPTH && maj_num == expected[n].maj_num && min_num == expected[n].min_num) return SUCCEED; } error_flag = -1; return SUCCEED; } void cleanup_error(void) { HDunlink(FILENAME); } #endif /*H5_HAVE_THREADSAFE*/