}
}
+void __tsan_java_finalize() {
+ SCOPED_JAVA_FUNC(__tsan_java_finalize);
+ DPrintf("#%d: java_mutex_finalize()\n", thr->tid);
+ AcquireGlobal(thr, 0);
+}
+
void __tsan_java_mutex_lock(jptr addr) {
SCOPED_JAVA_FUNC(__tsan_java_mutex_lock);
DPrintf("#%d: java_mutex_lock(%p)\n", thr->tid, addr);
// Can be aggregated for several objects (preferably).
// The ranges must not overlap.
void __tsan_java_move(jptr src, jptr dst, jptr size) INTERFACE_ATTRIBUTE;
+// This function must be called on the finalizer thread
+// before executing a batch of finalizers.
+// It ensures necessary synchronization between
+// java object creation and finalization.
+void __tsan_java_finalize() INTERFACE_ATTRIBUTE;
// Mutex lock.
// Addr is any unique address associated with the mutex.
void __tsan_java_alloc(jptr ptr, jptr size);
void __tsan_java_free(jptr ptr, jptr size);
void __tsan_java_move(jptr src, jptr dst, jptr size);
+void __tsan_java_finalize();
void __tsan_java_mutex_lock(jptr addr);
void __tsan_java_mutex_unlock(jptr addr);
void __tsan_java_mutex_read_lock(jptr addr);
--- /dev/null
+// RUN: %clangxx_tsan -O1 %s -o %t && %run %t | FileCheck %s
+#include "java.h"
+
+void *Thread(void *p) {
+ sleep(1);
+ __tsan_java_finalize();
+ *(int*)p = 42;
+ return 0;
+}
+
+int main() {
+ int const kHeapSize = 1024 * 1024;
+ void *jheap = (char*)malloc(kHeapSize + 8) + 8;
+ __tsan_java_init((jptr)jheap, kHeapSize);
+ const int kBlockSize = 16;
+ __tsan_java_alloc((jptr)jheap, kBlockSize);
+ pthread_t th;
+ pthread_create(&th, 0, Thread, jheap);
+ *(int*)jheap = 43;
+ pthread_join(th, 0);
+ __tsan_java_free((jptr)jheap, kBlockSize);
+ fprintf(stderr, "DONE\n");
+ return __tsan_java_fini();
+}
+
+// CHECK-NOT: WARNING: ThreadSanitizer: data race
+// CHECK: DONE