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hdf5/test/ttsafe_error.c

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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 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
*
* Created: Apr 28 2000
* Programmer: Chee Wai LEE
*
********************************************************************/
#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 7
#define WRITE_NUMBER 37
/* Typedefs */
typedef struct err_num_struct {
hid_t maj_num;
hid_t min_num;
} err_num_t;
/* Global variables */
hid_t error_file_g = H5I_INVALID_HID;
int error_flag_g = 0;
int error_count_g = 0;
err_num_t expected_g[EXPECTED_ERROR_DEPTH];
H5TS_mutex_simple_t error_mutex_g;
/* Prototypes */
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 *);
void
tts_error(void)
{
hid_t dataset = H5I_INVALID_HID;
H5TS_thread_t threads[NUM_THREAD];
H5TS_attr_t attribute;
int value, i;
herr_t status;
/* Must initialize these at runtime */
expected_g[0].maj_num = H5E_DATASET;
expected_g[0].min_num = H5E_CANTINIT;
expected_g[1].maj_num = H5E_DATASET;
expected_g[1].min_num = H5E_CANTINIT;
expected_g[2].maj_num = H5E_LINK;
expected_g[2].min_num = H5E_CANTINIT;
expected_g[3].maj_num = H5E_LINK;
expected_g[3].min_num = H5E_CANTINSERT;
expected_g[4].maj_num = H5E_SYM;
expected_g[4].min_num = H5E_NOTFOUND;
expected_g[5].maj_num = H5E_SYM;
expected_g[5].min_num = H5E_CALLBACK;
expected_g[6].maj_num = H5E_LINK;
expected_g[6].min_num = H5E_EXISTS;
/* set up mutex for global count of errors */
H5TS_mutex_init(&error_mutex_g);
/* make thread scheduling global */
H5TS_attr_init(&attribute);
#ifdef H5_HAVE_SYSTEM_SCOPE_THREADS
/* set thread scope to system */
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_g = H5Fcreate(FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(error_file_g, H5I_INVALID_HID, "H5Fcreate");
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_g) {
TestErrPrintf("At least one thread reported a value that was different from the exected value\n");
HDprintf("(Update this test if the error stack changed!)\n");
}
if (error_count_g != NUM_THREAD - 1)
TestErrPrintf("Error: %d threads failed instead of %d\n", error_count_g, NUM_THREAD-1);
dataset = H5Dopen2(error_file_g, DATASETNAME, H5P_DEFAULT);
CHECK(dataset, H5I_INVALID_HID, "H5Dopen2");
status = H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &value);
CHECK(status, FAIL, "H5Dread");
if (value != WRITE_NUMBER)
TestErrPrintf("Error: Successful thread wrote value %d instead of %d\n", value, WRITE_NUMBER);
status = H5Dclose(dataset);
CHECK(status, FAIL, "H5Dclose");
status = H5Fclose(error_file_g);
CHECK(status, FAIL, "H5Fclose");
H5TS_attr_destroy(&attribute);
} /* end tts_error() */
static void *
tts_error_thread(void H5_ATTR_UNUSED *arg)
{
hid_t dataspace = H5I_INVALID_HID;
hid_t datatype = H5I_INVALID_HID;
hid_t dataset = H5I_INVALID_HID;
hsize_t dimsf[1]; /* dataset dimensions */
H5E_auto2_t old_error_cb;
void *old_error_client_data;
int value;
herr_t status;
/* preserve previous error stack handler */
status = H5Eget_auto2(H5E_DEFAULT, &old_error_cb, &old_error_client_data);
CHECK(status, FAIL, "H5Eget_auto2");
/* set each thread's error stack handler */
status = H5Eset_auto2(H5E_DEFAULT, error_callback, NULL);
CHECK(status, FAIL, "H5Eset_auto2");
/* define dataspace for dataset */
dimsf[0] = 1;
dataspace = H5Screate_simple(1, dimsf, NULL);
CHECK(dataspace, H5I_INVALID_HID, "H5Screate_simple");
/* define datatype for the data using native little endian integers */
datatype = H5Tcopy(H5T_NATIVE_INT);
CHECK(datatype, H5I_INVALID_HID, "H5Tcopy");
status = H5Tset_order(datatype, H5T_ORDER_LE);
CHECK(status, FAIL, "H5Tset_order");
/* create a new dataset within the file */
dataset = H5Dcreate2(error_file_g, DATASETNAME, datatype, dataspace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
/* Most of these will fail, so don't check the error here */
if (dataset >= 0) {
value = WRITE_NUMBER;
status = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &value);
CHECK(status, FAIL, "H5Dwrite");
status = H5Dclose(dataset);
CHECK(status, FAIL, "H5Dclose");
}
status = H5Tclose(datatype);
CHECK(status, FAIL, "H5Tclose");
status = H5Sclose(dataspace);
CHECK(status, FAIL, "H5Sclose");
/* turn our error stack handler off */
status = H5Eset_auto2(H5E_DEFAULT, old_error_cb, old_error_client_data);
CHECK(status, FAIL, "H5Eset_auto2");
return NULL;
} /* end tts_error_thread() */
static herr_t
error_callback(hid_t H5_ATTR_UNUSED estack_id, void *client_data)
{
H5TS_mutex_lock_simple(&error_mutex_g);
error_count_g++;
H5TS_mutex_unlock_simple(&error_mutex_g);
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 = H5I_INVALID_HID;
hid_t min_num = H5I_INVALID_HID;
if (err_desc) {
maj_num = err_desc->maj_num;
min_num = err_desc->min_num;
if (n <= EXPECTED_ERROR_DEPTH && maj_num == expected_g[n].maj_num && min_num == expected_g[n].min_num)
return SUCCEED;
}
error_flag_g = -1;
return SUCCEED;
}
void
cleanup_error(void)
{
HDunlink(FILENAME);
}
#endif /*H5_HAVE_THREADSAFE*/
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