1 files changed, 52 insertions, 0 deletions
diff --git a/lib/isc/win32/DLLMain.c b/lib/isc/win32/DLLMain.c
new file mode 100644
index 0000000..abaaf40
--- /dev/null
+++ b/lib/isc/win32/DLLMain.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * 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 https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdio.h>
+#include <windows.h>
+
+#include <isc/mem.h>
+#include <isc/util.h>
+
+#include "lib_p.h"
+
+/*
+ * Called when we enter the DLL
+ */
+__declspec(dllexport) BOOL WINAPI
+	DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
+	switch (fdwReason) {
+	/*
+	 * The DLL is loading due to process initialization or a call to
+	 * LoadLibrary.
+	 */
+	case DLL_PROCESS_ATTACH:
+		isc__initialize();
+		break;
+
+	/*
+	 * The DLL is unloading from a process due to process
+	 * termination or a call to FreeLibrary.
+	 */
+	case DLL_PROCESS_DETACH:
+		isc__shutdown();
+		break;
+
+	case DLL_THREAD_ATTACH:
+	case DLL_THREAD_DETACH:
+		break;
+
+	default:
+		break;
+	}
+	return (TRUE);
+}