1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/vm/SharedScriptDataTableHolder.cpp b/js/src/vm/SharedScriptDataTableHolder.cpp
new file mode 100644
index 0000000000..8575b6695d
--- /dev/null
+++ b/js/src/vm/SharedScriptDataTableHolder.cpp
@@ -0,0 +1,19 @@
+/* -*- 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/. */
+
+#include "vm/SharedScriptDataTableHolder.h"
+
+#include "vm/MutexIDs.h"  // mutexid
+
+using namespace js;
+
+js::Mutex AutoLockGlobalScriptData::mutex_(mutexid::SharedImmutableScriptData);
+
+AutoLockGlobalScriptData::AutoLockGlobalScriptData() { mutex_.lock(); }
+
+AutoLockGlobalScriptData::~AutoLockGlobalScriptData() { mutex_.unlock(); }
+
+SharedScriptDataTableHolder js::globalSharedScriptDataTableHolder;