1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/********************************************************************
*
* Testing thread safety in dataset creation in the HDF5 library
* -------------------------------------------------------------
*
* Set of tests to run multiple threads so that each creates a different
* dataset. This is likely to cause race-conditions if run in a non
* threadsafe environment.
*
* Temporary files generated:
* ttsafe_dcreate.h5
*
* Created: Apr 28 2000
* Programmer: Chee Wai LEE
*
********************************************************************/
#include "ttsafe.h"
#ifdef H5_HAVE_THREADSAFE
#define FILENAME "ttsafe_dcreate.h5"
#define NUM_THREAD 16
void *tts_dcreate_creator(void *);
typedef struct thread_info {
int id;
hid_t file;
const char *dsetname;
} thread_info;
/*
* Set individual dataset names (rather than generated the names
* automatically)
*/
const char *dsetname[NUM_THREAD] = {"zero", "one", "two", "three", "four", "five",
"six", "seven", "eight", "nine", "ten", "eleven",
"twelve", "thirteen", "fourteen", "fifteen"};
thread_info thread_out[NUM_THREAD];
/*
**********************************************************************
* Thread safe test - multiple dataset creation
**********************************************************************
*/
void
tts_dcreate(void)
{
/* thread definitions */
H5TS_thread_t threads[NUM_THREAD];
/* HDF5 data definitions */
hid_t file = H5I_INVALID_HID;
hid_t dataset = H5I_INVALID_HID;
int datavalue, i;
H5TS_attr_t attribute;
herr_t status;
/* set pthread attribute to perform global scheduling */
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
*/
file = H5Fcreate(FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(file, H5I_INVALID_HID, "H5Fcreate");
/* simultaneously create a large number of datasets within the file */
for (i = 0; i < NUM_THREAD; i++) {
thread_out[i].id = i;
thread_out[i].file = file;
thread_out[i].dsetname = dsetname[i];
threads[i] = H5TS_create_thread(tts_dcreate_creator, NULL, &thread_out[i]);
}
for (i = 0; i < NUM_THREAD; i++)
H5TS_wait_for_thread(threads[i]);
/* compare data to see if it is written correctly */
for (i = 0; i < NUM_THREAD; i++) {
if ((dataset = H5Dopen2(file, dsetname[i], H5P_DEFAULT)) < 0) {
TestErrPrintf("Dataset name not found - test failed\n");
H5Fclose(file);
return;
}
else {
status = H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &datavalue);
CHECK(status, FAIL, "H5Dread");
if (datavalue != i) {
TestErrPrintf("Wrong value read %d for dataset name %s - test failed\n", datavalue,
dsetname[i]);
status = H5Dclose(dataset);
CHECK(status, FAIL, "H5Dclose");
status = H5Fclose(file);
CHECK(status, FAIL, "H5Fclose");
return;
}
status = H5Dclose(dataset);
CHECK(status, FAIL, "H5Dclose");
}
}
/* close remaining resources */
status = H5Fclose(file);
CHECK(status, FAIL, "H5Fclose");
/* Destroy the thread attribute */
H5TS_attr_destroy(&attribute);
} /* end tts_dcreate() */
void *
tts_dcreate_creator(void *_thread_data)
{
hid_t dataspace = H5I_INVALID_HID;
hid_t dataset = H5I_INVALID_HID;
herr_t status;
hsize_t dimsf[1]; /* dataset dimensions */
struct thread_info thread_data;
HDmemcpy(&thread_data, _thread_data, sizeof(struct thread_info));
/* define dataspace for dataset */
dimsf[0] = 1;
dataspace = H5Screate_simple(1, dimsf, NULL);
CHECK(dataspace, H5I_INVALID_HID, "H5Screate_simple");
/* create a new dataset within the file */
dataset = H5Dcreate2(thread_data.file, thread_data.dsetname, H5T_NATIVE_INT, dataspace, H5P_DEFAULT,
H5P_DEFAULT, H5P_DEFAULT);
CHECK(dataset, H5I_INVALID_HID, "H5Dcreate2");
/* initialize data for dataset and write value to dataset */
status = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &thread_data.id);
CHECK(status, FAIL, "H5Dwrite");
/* close dataset and dataspace resources */
status = H5Dclose(dataset);
CHECK(status, FAIL, "H5Dclose");
status = H5Sclose(dataspace);
CHECK(status, FAIL, "H5Sclose");
return NULL;
} /* end tts_dcreate_creator() */
void
cleanup_dcreate(void)
{
HDunlink(FILENAME);
}
#endif /*H5_HAVE_THREADSAFE*/
|
