// 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 #include #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 { 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_