1 files changed, 21 insertions, 0 deletions
diff --git a/chrome_frame/pin_module.h b/chrome_frame/pin_module.h
new file mode 100644
index 0000000..8b4b4e8
--- /dev/null
+++ b/chrome_frame/pin_module.h
@@ -0,0 +1,21 @@
+// Copyright 2013 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.
+
+#ifndef CHROME_FRAME_PIN_MODULE_H_
+#define CHROME_FRAME_PIN_MODULE_H_
+
+namespace chrome_frame {
+
+typedef void (*PinModuleCallbackFn)(void);
+
+// Sets a callback function to be invoked when the module is pinned.
+void SetPinModuleCallback(PinModuleCallbackFn callback);
+
+// Utility function that prevents the current module from ever being unloaded.
+// Call if you make irreversible patches.
+void PinModule();
+
+}  // namespace chrome_frame
+
+#endif  // CHROME_FRAME_PIN_MODULE_H_