1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2#include "java.h"
3
4void *Thread(void *p) {
5 barrier_wait(&barrier);
6 __tsan_java_finalize();
7 *(int*)p = 42;
8 return 0;
9}
10
11int main() {
12 barrier_init(&barrier, 2);
13 int const kHeapSize = 1024 * 1024;
14 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
15 __tsan_java_init(jheap, kHeapSize);
16 const int kBlockSize = 16;
17 __tsan_java_alloc(jheap, kBlockSize);
18 pthread_t th;
19 pthread_create(&th, 0, Thread, (void*)jheap);
20 *(int*)jheap = 43;
21 barrier_wait(&barrier);
22 pthread_join(th, 0);
23 __tsan_java_free(jheap, kBlockSize);
24 fprintf(stderr, "DONE\n");
25 return __tsan_java_fini();
26}
27
28// CHECK-NOT: WARNING: ThreadSanitizer: data race
29// CHECK: DONE
30