1 files changed, 65 insertions, 0 deletions
diff --git a/runtime/reference_table.h b/runtime/reference_table.h
new file mode 100644
index 0000000000..5abb5c7b46
--- /dev/null
+++ b/runtime/reference_table.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_REFERENCE_TABLE_H_
+#define ART_SRC_REFERENCE_TABLE_H_
+
+#include <cstddef>
+#include <iosfwd>
+#include <string>
+#include <vector>
+
+#include "locks.h"
+#include "root_visitor.h"
+
+namespace art {
+namespace mirror {
+class Object;
+}  // namespace mirror
+
+// Maintain a table of references.  Used for JNI monitor references and
+// JNI pinned array references.
+//
+// None of the functions are synchronized.
+class ReferenceTable {
+ public:
+  ReferenceTable(const char* name, size_t initial_size, size_t max_size);
+  ~ReferenceTable();
+
+  void Add(const mirror::Object* obj);
+
+  void Remove(const mirror::Object* obj);
+
+  size_t Size() const;
+
+  void Dump(std::ostream& os) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
+  void VisitRoots(RootVisitor* visitor, void* arg);
+
+ private:
+  typedef std::vector<const mirror::Object*> Table;
+  static void Dump(std::ostream& os, const Table& entries)
+      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+  friend class IndirectReferenceTable; // For Dump.
+
+  std::string name_;
+  Table entries_;
+  size_t max_size_;
+};
+
+}  // namespace art
+
+#endif  // ART_SRC_REFERENCE_TABLE_H_