Home | History | Annotate | Download | only in lit_tests
      1 // RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | 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   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