1 #include <pthread.h>
2 #include <stdlib.h>
3 #include <stdio.h>
4
5 const int N = 1000;
6 void *x[N];
7
Thread1(void * unused)8 void *Thread1(void *unused) {
9 for (int i = 0; i < N; i++) {
10 fprintf(stderr, "%s %d\n", __func__, i);
11 free(x[i]);
12 }
13 return NULL;
14 }
15
Thread2(void * unused)16 void *Thread2(void *unused) {
17 for (int i = 0; i < N; i++) {
18 fprintf(stderr, "%s %d\n", __func__, i);
19 free(x[i]);
20 }
21 return NULL;
22 }
23
main()24 int main() {
25 for (int i = 0; i < N; i++)
26 x[i] = malloc(128);
27 pthread_t t[2];
28 pthread_create(&t[0], 0, Thread1, 0);
29 pthread_create(&t[1], 0, Thread2, 0);
30 pthread_join(t[0], 0);
31 pthread_join(t[1], 0);
32 }
33