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1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2 #include "java.h"
3 
4 jptr varaddr;
5 jptr varaddr2;
6 
Thread(void * p)7 void *Thread(void *p) {
8   barrier_wait(&barrier);
9   *(int*)varaddr2 = 42;
10   return 0;
11 }
12 
main()13 int main() {
14   barrier_init(&barrier, 2);
15   int const kHeapSize = 1024 * 1024;
16   jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
17   __tsan_java_init(jheap, kHeapSize);
18   const int kBlockSize = 64;
19   int const kMove = 1024;
20   __tsan_java_alloc(jheap, kBlockSize);
21   varaddr = jheap + 16;
22   varaddr2 = varaddr + kMove;
23   pthread_t th;
24   pthread_create(&th, 0, Thread, 0);
25   *(int*)varaddr = 43;
26   __tsan_java_move(varaddr, varaddr2, kBlockSize);
27   barrier_wait(&barrier);
28   pthread_join(th, 0);
29   __tsan_java_free(varaddr2, kBlockSize);
30   fprintf(stderr, "DONE\n");
31   return __tsan_java_fini();
32 }
33 
34 // CHECK: WARNING: ThreadSanitizer: data race
35 // CHECK: DONE
36