1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*7c3d14c8STreehugger Robot #include "java.h"
3*7c3d14c8STreehugger Robot
4*7c3d14c8STreehugger Robot jptr varaddr;
5*7c3d14c8STreehugger Robot jptr lockaddr;
6*7c3d14c8STreehugger Robot jptr varaddr2;
7*7c3d14c8STreehugger Robot jptr lockaddr2;
8*7c3d14c8STreehugger Robot
Thread(void * p)9*7c3d14c8STreehugger Robot void *Thread(void *p) {
10*7c3d14c8STreehugger Robot barrier_wait(&barrier);
11*7c3d14c8STreehugger Robot __tsan_java_mutex_lock(lockaddr2);
12*7c3d14c8STreehugger Robot *(int*)varaddr2 = 42;
13*7c3d14c8STreehugger Robot __tsan_java_mutex_unlock(lockaddr2);
14*7c3d14c8STreehugger Robot return 0;
15*7c3d14c8STreehugger Robot }
16*7c3d14c8STreehugger Robot
main()17*7c3d14c8STreehugger Robot int main() {
18*7c3d14c8STreehugger Robot barrier_init(&barrier, 2);
19*7c3d14c8STreehugger Robot int const kHeapSize = 1024 * 1024;
20*7c3d14c8STreehugger Robot jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
21*7c3d14c8STreehugger Robot __tsan_java_init(jheap, kHeapSize);
22*7c3d14c8STreehugger Robot const int kBlockSize = 64;
23*7c3d14c8STreehugger Robot int const kMove = 1024;
24*7c3d14c8STreehugger Robot __tsan_java_alloc(jheap, kBlockSize);
25*7c3d14c8STreehugger Robot varaddr = jheap;
26*7c3d14c8STreehugger Robot lockaddr = jheap + 46;
27*7c3d14c8STreehugger Robot varaddr2 = varaddr + kMove;
28*7c3d14c8STreehugger Robot lockaddr2 = lockaddr + kMove;
29*7c3d14c8STreehugger Robot pthread_t th;
30*7c3d14c8STreehugger Robot pthread_create(&th, 0, Thread, 0);
31*7c3d14c8STreehugger Robot __tsan_java_mutex_lock(lockaddr);
32*7c3d14c8STreehugger Robot *(int*)varaddr = 43;
33*7c3d14c8STreehugger Robot __tsan_java_mutex_unlock(lockaddr);
34*7c3d14c8STreehugger Robot __tsan_java_move(varaddr, varaddr2, kBlockSize);
35*7c3d14c8STreehugger Robot barrier_wait(&barrier);
36*7c3d14c8STreehugger Robot pthread_join(th, 0);
37*7c3d14c8STreehugger Robot __tsan_java_free(varaddr2, kBlockSize);
38*7c3d14c8STreehugger Robot fprintf(stderr, "DONE\n");
39*7c3d14c8STreehugger Robot return __tsan_java_fini();
40*7c3d14c8STreehugger Robot }
41*7c3d14c8STreehugger Robot
42*7c3d14c8STreehugger Robot // CHECK-NOT: WARNING: ThreadSanitizer: data race
43*7c3d14c8STreehugger Robot // CHECK: DONE
44