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- // 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_
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