1 files changed, 45 insertions, 0 deletions
diff --git a/toolkit/xre/dllservices/mozglue/LoaderObserver.h b/toolkit/xre/dllservices/mozglue/LoaderObserver.h
new file mode 100644
index 0000000000..39b13035a3
--- /dev/null
+++ b/toolkit/xre/dllservices/mozglue/LoaderObserver.h
@@ -0,0 +1,45 @@
+/* -*- 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_glue_LoaderObserver_h
+#define mozilla_glue_LoaderObserver_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/LoaderAPIInterfaces.h"
+#include "mozilla/glue/WindowsDllServices.h"
+#include "mozilla/glue/WinUtils.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+namespace glue {
+
+class MOZ_ONLY_USED_TO_AVOID_STATIC_CONSTRUCTORS LoaderObserver final
+    : public nt::LoaderObserver {
+ public:
+  constexpr LoaderObserver() : mModuleLoads(nullptr), mEnabled(true) {}
+
+  void OnBeginDllLoad(void** aContext,
+                      PCUNICODE_STRING aPreliminaryDllName) final;
+  bool SubstituteForLSP(PCUNICODE_STRING aLspLeafName,
+                        PHANDLE aOutHandle) final;
+  void OnEndDllLoad(void* aContext, NTSTATUS aNtStatus,
+                    ModuleLoadInfo&& aModuleLoadInfo) final;
+  void Forward(nt::LoaderObserver* aNext) final;
+  void OnForward(ModuleLoadInfoVec&& aInfo) final;
+
+  void Forward(mozilla::glue::detail::DllServicesBase* aSvc);
+  void Disable();
+
+ private:
+  Win32SRWLock mLock;
+  ModuleLoadInfoVec* mModuleLoads;
+  bool mEnabled;
+};
+
+}  // namespace glue
+}  // namespace mozilla
+
+#endif  // mozilla_glue_LoaderObserver_h