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db904c3cc8
In order to use `mscom::ProcessRuntime` in the maintenance service, we need `ProcessRuntime` to be able to distinguish between more than just whether or not the current process is the parent process. I've added a new `ProcessCategory` enum to track this information, and revised the constructors so that we now have one that accepts a ProcessCategory. The `ProcessCategory` constructor is private inside XUL, since the `GeckoProcessType` variant should always be used in that case. We also slightly change apartment initialization to depend on the underlying `ProcessCategory` value. Finally, I modify the one case where we instantiate a `ProcessRuntime` in the launcher process to use the new constructor. Differential Revision: https://phabricator.services.mozilla.com/D42225 --HG-- extra : moz-landing-system : lando
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_mscom_ProcessRuntime_h
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#define mozilla_mscom_ProcessRuntime_h
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#include "mozilla/Attributes.h"
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#if defined(ACCESSIBILITY) && defined(MOZILLA_INTERNAL_API)
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# include "mozilla/mscom/ActivationContext.h"
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#endif // defined(ACCESSIBILITY) && defined(MOZILLA_INTERNAL_API)
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#include "mozilla/mscom/ApartmentRegion.h"
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#include "mozilla/WindowsProcessMitigations.h"
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#include "nsXULAppAPI.h"
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namespace mozilla {
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namespace mscom {
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class MOZ_NON_TEMPORARY_CLASS ProcessRuntime final {
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#if !defined(MOZILLA_INTERNAL_API)
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public:
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#endif // defined(MOZILLA_INTERNAL_API)
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enum class ProcessCategory {
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GeckoBrowserParent,
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// We give Launcher its own process category, but internally to this class
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// it should be treated identically to GeckoBrowserParent.
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Launcher = GeckoBrowserParent,
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GeckoChild,
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Service,
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};
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// This constructor is only public when compiled outside of XUL
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explicit ProcessRuntime(ProcessCategory aProcessCategory);
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public:
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#if defined(MOZILLA_INTERNAL_API)
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ProcessRuntime() : ProcessRuntime(XRE_GetProcessType()) {}
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#endif // defined(MOZILLA_INTERNAL_API)
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explicit ProcessRuntime(GeckoProcessType aProcessType);
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~ProcessRuntime() = default;
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explicit operator bool() const { return SUCCEEDED(mInitResult); }
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HRESULT GetHResult() const { return mInitResult; }
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ProcessRuntime(ProcessRuntime&) = delete;
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ProcessRuntime(ProcessRuntime&&) = delete;
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ProcessRuntime& operator=(ProcessRuntime&) = delete;
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ProcessRuntime& operator=(ProcessRuntime&&) = delete;
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/**
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* @return 0 if call is in-process or resolving the calling thread failed,
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* otherwise contains the thread id of the calling thread.
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*/
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static DWORD GetClientThreadId();
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private:
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void InitInsideApartment();
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HRESULT InitializeSecurity();
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static COINIT GetDesiredApartmentType(ProcessCategory aProcessCategory);
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HRESULT mInitResult;
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const ProcessCategory mProcessCategory;
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#if defined(ACCESSIBILITY) && defined(MOZILLA_INTERNAL_API)
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ActivationContextRegion mActCtxRgn;
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#endif // defined(ACCESSIBILITY) && defined(MOZILLA_INTERNAL_API)
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ApartmentRegion mAptRegion;
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};
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} // namespace mscom
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} // namespace mozilla
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#endif // mozilla_mscom_ProcessRuntime_h
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