1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "java.h" 3 4 jptr varaddr; 5 jptr varaddr2; 6 7 void *Thread(void *p) { 8 sleep(1); 9 *(int*)varaddr2 = 42; 10 return 0; 11 } 12 13 int main() { 14 int const kHeapSize = 1024 * 1024; 15 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; 16 __tsan_java_init(jheap, kHeapSize); 17 const int kBlockSize = 64; 18 int const kMove = 1024; 19 __tsan_java_alloc(jheap, kBlockSize); 20 varaddr = 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 fprintf(stderr, "DONE\n"); 29 return __tsan_java_fini(); 30 } 31 32 // CHECK: WARNING: ThreadSanitizer: data race 33 // CHECK: DONE 34
