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