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
|
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
const int N = 1000;
void *x[N];
void *Thread1(void *unused) {
for (int i = 0; i < N; i++) {
fprintf(stderr, "%s %d\n", __func__, i);
free(x[i]);
}
return NULL;
}
void *Thread2(void *unused) {
for (int i = 0; i < N; i++) {
fprintf(stderr, "%s %d\n", __func__, i);
free(x[i]);
}
return NULL;
}
int main() {
for (int i = 0; i < N; i++)
x[i] = malloc(128);
pthread_t t[2];
pthread_create(&t[0], 0, Thread1, 0);
pthread_create(&t[1], 0, Thread2, 0);
pthread_join(t[0], 0);
pthread_join(t[1], 0);
}
|
