fix: prevent node mode to be used as script runner by other apps (#40579)

shell/common/mac/codesign_util.h

@@ -0,0 +1,19 @@
+// Copyright 2023 Microsoft, Inc.
+// Copyright 2013 The Chromium Authors
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef SHELL_COMMON_MAC_CODESIGN_UTIL_H_
+#define SHELL_COMMON_MAC_CODESIGN_UTIL_H_
+
+#include <unistd.h>
+
+namespace electron {
+
+// Given a pid, check if the process belongs to current app by comparing its
+// code signature with current app.
+bool ProcessBelongToCurrentApp(pid_t pid);
+
+}  // namespace electron
+
+#endif  // SHELL_COMMON_MAC_CODESIGN_UTIL_H_