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 barrier_wait(&barrier); 9 *(int*)varaddr2 = 42; 10 return 0; 11 } 12 13 int main() { 14 barrier_init(&barrier, 2); 15 int const kHeapSize = 1024 * 1024; 16 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; 17 __tsan_java_init(jheap, kHeapSize); 18 const int kBlockSize = 64; 19 int const kMove = 1024; 20 __tsan_java_alloc(jheap, kBlockSize); 21 varaddr = jheap + 16; 22 varaddr2 = varaddr + kMove; 23 pthread_t th; 24 pthread_create(&th, 0, Thread, 0); 25 *(int*)varaddr = 43; 26 __tsan_java_move(varaddr, varaddr2, kBlockSize); 27 barrier_wait(&barrier); 28 pthread_join(th, 0); 29 __tsan_java_free(varaddr2, kBlockSize); 30 fprintf(stderr, "DONE\n"); 31 return __tsan_java_fini(); 32 } 33 34 // CHECK: WARNING: ThreadSanitizer: data race 35 // CHECK: DONE 36
