// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s #include "java.h" jptr varaddr; jptr lockaddr; jptr varaddr2; jptr lockaddr2; void *Thread(void *p) { barrier_wait(&barrier); __tsan_java_mutex_lock(lockaddr2); *(int*)varaddr2 = 42; __tsan_java_mutex_unlock(lockaddr2); return 0; } int main() { barrier_init(&barrier, 2); int const kHeapSize = 1024 * 1024; jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; __tsan_java_init(jheap, kHeapSize); const int kBlockSize = 64; int const kMove = 1024; __tsan_java_alloc(jheap, kBlockSize); varaddr = jheap; lockaddr = jheap + 46; varaddr2 = varaddr + kMove; lockaddr2 = lockaddr + kMove; pthread_t th; pthread_create(&th, 0, Thread, 0); __tsan_java_mutex_lock(lockaddr); *(int*)varaddr = 43; __tsan_java_mutex_unlock(lockaddr); __tsan_java_move(varaddr, varaddr2, kBlockSize); barrier_wait(&barrier); pthread_join(th, 0); __tsan_java_free(varaddr2, kBlockSize); fprintf(stderr, "DONE\n"); return __tsan_java_fini(); } // CHECK-NOT: WARNING: ThreadSanitizer: data race // CHECK: DONE