|
0
|
1 #include <stdlib.h>
|
|
|
2 #include <stdio.h>
|
|
|
3 #include <pthread.h>
|
|
|
4 #include <sched.h>
|
|
|
5 #include <assert.h>
|
|
|
6
|
|
|
7 static void *
|
|
|
8 func (void *p)
|
|
|
9 {
|
|
|
10 int *counter = (int *) p;
|
|
|
11 unsigned i;
|
|
|
12 enum { numarrays = 100, numels = 17 };
|
|
|
13 char *arrays [numarrays];
|
|
|
14
|
|
|
15 for (i=0; i<numarrays; i++)
|
|
|
16 {
|
|
|
17 (*counter) ++;
|
|
|
18 unsigned x = i % numels;
|
|
|
19 arrays[i] = calloc (numels, sizeof(arrays[i][0]));
|
|
|
20 assert (arrays[i] != NULL);
|
|
|
21 arrays[i][x] = i;
|
|
|
22 free (arrays[i]);
|
|
|
23 sched_yield (); /* sleep (1); */
|
|
|
24 }
|
|
|
25
|
|
|
26 return (NULL);
|
|
|
27 }
|
|
|
28
|
|
|
29
|
|
|
30 int main ()
|
|
|
31 {
|
|
|
32 int rc;
|
|
|
33 unsigned i;
|
|
|
34 enum foo { NT=10 };
|
|
|
35 pthread_t threads[NT];
|
|
|
36 int counts[NT];
|
|
|
37
|
|
|
38
|
|
|
39 for (i=0; i<NT; i++)
|
|
|
40 {
|
|
|
41 counts[i] = 0;
|
|
|
42 rc = pthread_create (& threads[i], NULL, func, (void *) & counts[i]);
|
|
|
43 if (rc) abort();
|
|
|
44 }
|
|
|
45
|
|
|
46 for (i=0; i<NT; i++)
|
|
|
47 {
|
|
|
48 rc = pthread_join (threads[i], NULL);
|
|
|
49 if (rc) abort();
|
|
|
50 printf ("%d%s", counts[i], (i==NT-1) ? "\n" : " ");
|
|
|
51 }
|
|
|
52
|
|
|
53 return 0;
|
|
|
54 }
|
|
|
55 /* { dg-output "100 100 100 100 100 100 100 100 100 100" } */
|
|
|
56 /* { dg-repetitions 20 } */
|
|
|
57 /* { dg-timeout 10 } */
|
