1 // RUN: %clangxx_tsan -O1 %s -DBUILD_SO -fPIC -shared -o %t-so.so
2 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
3 
4 // Extracted from:
5 // https://bugs.chromium.org/p/v8/issues/detail?id=4995
6 
7 #include "test.h"
8 
9 void* thr(void* arg) {
10   const int N = 32;
11   pthread_key_t keys_[N];
12   for (size_t i = 0; i < N; ++i) {
13     int err = pthread_key_create(&keys_[i], 0);
14     if (err) {
15       fprintf(stderr, "pthread_key_create failed with %d\n", err);
16       exit(1);
17     }
18   }
19   for (size_t i = 0; i < N; i++)
20     pthread_setspecific(keys_[i], (void*)(long)i);
21   for (size_t i = 0; i < N; i++)
22     pthread_key_delete(keys_[i]);
23   return 0;
24 }
25 
26 int main() {
27   for (int i = 0; i < 10; i++) {
28     pthread_t th;
29     pthread_create(&th, 0, thr, 0);
30     pthread_join(th, 0);
31   }
32   pthread_t th[2];
33   pthread_create(&th[0], 0, thr, 0);
34   pthread_create(&th[1], 0, thr, 0);
35   pthread_join(th[0], 0);
36   pthread_join(th[1], 0);
37   fprintf(stderr, "DONE\n");
38   // CHECK: DONE
39 }
40