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
|
/* Copyright (c) 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc.
Use is subject to license terms.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#include <my_global.h>
#include <my_sys.h>
#include <my_atomic.h>
#include <tap.h>
volatile uint32 bad;
pthread_mutex_t mutex;
void do_tests();
void test_concurrently(const char *test, pthread_handler handler, int n, int m)
{
pthread_t *threads= malloc(n * sizeof(pthread_t));
int i;
ulonglong now= my_interval_timer();
assert(threads);
bad= 0;
diag("Testing %s with %d threads, %d iterations... ", test, n, m);
for (i= 0; i < n; i++)
{
if (pthread_create(&threads[i], 0, handler, &m) != 0)
{
diag("Could not create thread");
abort();
}
}
for (i= 0; i < n; i++)
pthread_join(threads[i], 0);
now= my_interval_timer() - now;
free(threads);
ok(!bad, "tested %s in %g secs (%d)", test, ((double)now)/1e9, bad);
}
int main(int argc __attribute__((unused)), char **argv)
{
MY_INIT(argv[0]);
if (argv[1] && *argv[1])
DBUG_SET_INITIAL(argv[1]);
pthread_mutex_init(&mutex, 0);
#define CYCLES 3000
#define THREADS 30
diag("N CPUs: %d, atomic ops: %s", my_getncpus(), MY_ATOMIC_MODE);
do_tests();
pthread_mutex_destroy(&mutex);
my_end(0);
return exit_status();
}
|
