llvm-project/compiler-rt/lib/asan/tests/asan_racy_double_free_test.cc

33 lines
601 B
C++

#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);
}