1 files changed, 46 insertions, 0 deletions
diff --git a/mojo/edk/system/ports/event.cc b/mojo/edk/system/ports/event.cc
new file mode 100644
index 0000000000..2e2208641f
--- /dev/null
+++ b/mojo/edk/system/ports/event.cc
@@ -0,0 +1,46 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/edk/system/ports/event.h"
+
+#include <string.h>
+
+namespace mojo {
+namespace edk {
+namespace ports {
+
+namespace {
+
+const size_t kPortsMessageAlignment = 8;
+
+static_assert(sizeof(PortDescriptor) % kPortsMessageAlignment == 0,
+              "Invalid PortDescriptor size.");
+
+static_assert(sizeof(EventHeader) % kPortsMessageAlignment == 0,
+              "Invalid EventHeader size.");
+
+static_assert(sizeof(UserEventData) % kPortsMessageAlignment == 0,
+              "Invalid UserEventData size.");
+
+static_assert(sizeof(ObserveProxyEventData) % kPortsMessageAlignment == 0,
+              "Invalid ObserveProxyEventData size.");
+
+static_assert(sizeof(ObserveProxyAckEventData) % kPortsMessageAlignment == 0,
+              "Invalid ObserveProxyAckEventData size.");
+
+static_assert(sizeof(ObserveClosureEventData) % kPortsMessageAlignment == 0,
+              "Invalid ObserveClosureEventData size.");
+
+static_assert(sizeof(MergePortEventData) % kPortsMessageAlignment == 0,
+              "Invalid MergePortEventData size.");
+
+}  // namespace
+
+PortDescriptor::PortDescriptor() {
+  memset(padding, 0, sizeof(padding));
+}
+
+}  // namespace ports
+}  // namespace edk
+}  // namespace mojo