| // 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. |
| |
| #ifndef IPC_HANDLE_WIN_H_ |
| #define IPC_HANDLE_WIN_H_ |
| |
| #include <windows.h> |
| |
| #include <string> |
| |
| #include "ipc/ipc_message_support_export.h" |
| #include "ipc/ipc_param_traits.h" |
| |
| namespace base { |
| class Pickle; |
| class PickleIterator; |
| } // namespace base |
| |
| namespace IPC { |
| |
| // HandleWin is a wrapper around a Windows HANDLE that can be transported |
| // across Chrome IPC channels that support attachment brokering. The HANDLE will |
| // be duplicated into the destination process. |
| // |
| // The ownership semantics for the underlying |handle_| are complex. See |
| // ipc/mach_port_mac.h (the OSX analog of this class) for an extensive |
| // discussion. |
| class IPC_MESSAGE_SUPPORT_EXPORT HandleWin { |
| public: |
| // Default constructor makes an invalid HANDLE. |
| HandleWin(); |
| explicit HandleWin(const HANDLE& handle); |
| |
| HANDLE get_handle() const { return handle_; } |
| void set_handle(HANDLE handle) { handle_ = handle; } |
| |
| private: |
| HANDLE handle_; |
| }; |
| |
| template <> |
| struct IPC_MESSAGE_SUPPORT_EXPORT ParamTraits<HandleWin> { |
| typedef HandleWin param_type; |
| static void Write(base::Pickle* m, const param_type& p); |
| static bool Read(const base::Pickle* m, |
| base::PickleIterator* iter, |
| param_type* p); |
| static void Log(const param_type& p, std::string* l); |
| }; |
| |
| } // namespace IPC |
| |
| #endif // IPC_HANDLE_WIN_H_ |