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