chrome/chrome_cleaner/interfaces/windows_handle.mojom

// Copyright 2018 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.

module chrome_cleaner.mojom;

enum SpecialWindowsHandle {
  NULL_HANDLE,
  INVALID_HANDLE,
  CLASSES_ROOT,
  CURRENT_CONFIG,
  CURRENT_USER,
  LOCAL_MACHINE,
  USERS,
};

// Mojo's |handle| type passes handles with DUPLICATE_CLOSE_SOURCE. The special
// handles above can't be closed, so they can't be passed as |handle|. Use a
// wrapper that puts these in |special_handle| and plain handles in
// |raw_handle|. Typemapped to HANDLE.
union WindowsHandle {
  handle raw_handle;
  SpecialWindowsHandle special_handle;
};

interface TestWindowsHandle {
  EchoHandle(WindowsHandle in_WindowsHandle) =>
    (WindowsHandle out_WindowsHandle);

  EchoRawHandle(handle in_handle) => (handle out_handle);
};