gecko-dev/ipc/glue/Transport_win.h

68 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_ipc_Transport_win_h
#define mozilla_ipc_Transport_win_h 1
#include <string>
#include "base/process.h"
#include "ipc/IPCMessageUtils.h"
namespace mozilla {
namespace ipc {
struct TransportDescriptor
{
std::wstring mPipeName;
HANDLE mServerPipeHandle;
base::ProcessId mDestinationProcessId;
};
HANDLE
TransferHandleToProcess(HANDLE source, base::ProcessId pid);
} // namespace ipc
} // namespace mozilla
namespace IPC {
template<>
struct ParamTraits<mozilla::ipc::TransportDescriptor>
{
typedef mozilla::ipc::TransportDescriptor paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
HANDLE pipe = mozilla::ipc::TransferHandleToProcess(aParam.mServerPipeHandle,
aParam.mDestinationProcessId);
WriteParam(aMsg, aParam.mPipeName);
WriteParam(aMsg, pipe);
WriteParam(aMsg, aParam.mDestinationProcessId);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
bool r = (ReadParam(aMsg, aIter, &aResult->mPipeName) &&
ReadParam(aMsg, aIter, &aResult->mServerPipeHandle) &&
ReadParam(aMsg, aIter, &aResult->mDestinationProcessId));
if (!r) {
return r;
}
if (aResult->mServerPipeHandle != INVALID_HANDLE_VALUE) {
MOZ_RELEASE_ASSERT(aResult->mDestinationProcessId == base::GetCurrentProcId());
}
return r;
}
};
} // namespace IPC
#endif // mozilla_ipc_Transport_win_h