import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

xpcom/base/DeferredFinalize.h

@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_DeferredFinalize_h
+#define mozilla_DeferredFinalize_h
+
+class nsISupports;
+
+namespace mozilla {
+
+// Called back from DeferredFinalize.  Should add 'thing' to the array of smart
+// pointers in 'pointers', creating the array if 'pointers' is null, and return
+// the array.
+typedef void* (*DeferredFinalizeAppendFunction)(void* aPointers, void* aThing);
+
+// Called to finalize a number of objects. Slice is the number of objects to
+// finalize. The return value indicates whether it finalized all objects in the
+// buffer. If it returns true, the function will not be called again, so the
+// function should free aData.
+typedef bool (*DeferredFinalizeFunction)(uint32_t aSlice, void* aData);
+
+void DeferredFinalize(DeferredFinalizeAppendFunction aAppendFunc,
+                      DeferredFinalizeFunction aFunc,
+                      void* aThing);
+
+void DeferredFinalize(nsISupports* aSupports);
+
+} // namespace mozilla
+
+#endif // mozilla_DeferredFinalize_h