1 files changed, 84 insertions, 0 deletions

diff --git a/src/burn/engine/baengine.h b/src/burn/engine/baengine.h
new file mode 100644
index 00000000..97cfea9c
--- /dev/null
+++ b/src/burn/engine/baengine.h
@@ -0,0 +1,84 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+// structs
+
+typedef struct _BAENGINE_CONTEXT
+{
+    BURN_ENGINE_STATE* pEngineState;
+    QUEUTIL_QUEUE_HANDLE hQueue;
+    HANDLE hQueueSemaphore;
+    CRITICAL_SECTION csQueue;
+
+    PIPE_RPC_HANDLE hRpcPipe;
+    HANDLE hThread;
+} BAENGINE_CONTEXT;
+
+typedef struct _BAENGINE_ACTION
+{
+    WM_BURN dwMessage;
+    union
+    {
+        struct
+        {
+            HWND hwndParent;
+        } detect;
+        struct
+        {
+            BOOTSTRAPPER_ACTION action;
+        } plan;
+        struct
+        {
+            HWND hwndParent;
+        } elevate;
+        struct
+        {
+            HWND hwndParent;
+        } apply;
+        BURN_LAUNCH_APPROVED_EXE launchApprovedExe;
+        struct
+        {
+            DWORD dwExitCode;
+        } quit;
+    };
+} BAENGINE_ACTION;
+
+// function declarations
+
+HRESULT BAEngineCreateContext(
+    __in BURN_ENGINE_STATE* pEngineState,
+    __inout BAENGINE_CONTEXT** ppContext
+);
+
+void BAEngineFreeContext(
+    __in BAENGINE_CONTEXT* pContext
+);
+
+void DAPI BAEngineFreeAction(
+    __in BAENGINE_ACTION* pAction
+);
+
+HRESULT BAEngineStartListening(
+    __in BAENGINE_CONTEXT* pContext,
+    __in HANDLE hBAEnginePipe
+);
+
+HRESULT BAEngineStopListening(
+    __in BAENGINE_CONTEXT * pContext
+);
+
+HRESULT WINAPI EngineForApplicationProc(
+    __in BAENGINE_CONTEXT* pvContext,
+    __in BOOTSTRAPPER_ENGINE_MESSAGE message,
+    __in_bcount(cbArgs) const LPVOID pvArgs,
+    __in DWORD /*cbArgs*/
+);
+
+#if defined(__cplusplus)
+}
+#endif