| // Copyright 2015 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. |
| |
| #include "ipc/handle_attachment_win.h" |
| |
| #include <windows.h> |
| |
| namespace IPC { |
| namespace internal { |
| |
| HandleAttachmentWin::HandleAttachmentWin(const HANDLE& handle, |
| HandleWin::Permissions permissions) |
| : handle_(INVALID_HANDLE_VALUE), |
| permissions_(HandleWin::INVALID), |
| owns_handle_(true) { |
| HANDLE duplicated_handle; |
| BOOL result = |
| ::DuplicateHandle(GetCurrentProcess(), handle, GetCurrentProcess(), |
| &duplicated_handle, 0, FALSE, DUPLICATE_SAME_ACCESS); |
| if (result) { |
| handle_ = duplicated_handle; |
| permissions_ = permissions; |
| } |
| } |
| |
| HandleAttachmentWin::HandleAttachmentWin(const HANDLE& handle, |
| FromWire from_wire) |
| : handle_(handle), permissions_(HandleWin::INVALID), owns_handle_(true) {} |
| |
| HandleAttachmentWin::HandleAttachmentWin(const WireFormat& wire_format) |
| : BrokerableAttachment(wire_format.attachment_id), |
| handle_(LongToHandle(wire_format.handle)), |
| permissions_(wire_format.permissions), |
| owns_handle_(true) {} |
| |
| HandleAttachmentWin::~HandleAttachmentWin() { |
| if (handle_ != INVALID_HANDLE_VALUE && owns_handle_) |
| ::CloseHandle(handle_); |
| } |
| |
| HandleAttachmentWin::BrokerableType HandleAttachmentWin::GetBrokerableType() |
| const { |
| return WIN_HANDLE; |
| } |
| |
| HandleAttachmentWin::WireFormat HandleAttachmentWin::GetWireFormat( |
| const base::ProcessId& destination) const { |
| return WireFormat(HandleToLong(handle_), destination, permissions_, |
| GetIdentifier()); |
| } |
| |
| } // namespace internal |
| } // namespace IPC |