30 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#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 race29// CHECK: DONE30