/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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_netwerk_socket_nsNamedPipeService_h #define mozilla_netwerk_socket_nsNamedPipeService_h #include <windows.h> #include "mozilla/Atomics.h" #include "mozilla/Mutex.h" #include "nsINamedPipeService.h" #include "nsIObserver.h" #include "nsIRunnable.h" #include "nsTArray.h" namespace mozilla { namespace net { class NamedPipeService final : public nsINamedPipeService , public nsIObserver , public nsIRunnable { public: NS_DECL_THREADSAFE_ISUPPORTS NS_DECL_NSINAMEDPIPESERVICE NS_DECL_NSIOBSERVER NS_DECL_NSIRUNNABLE explicit NamedPipeService(); nsresult Init(); private: virtual ~NamedPipeService() = default; void Shutdown(); void RemoveRetiredObjects(); HANDLE mIocp; // native handle to the I/O completion port. Atomic<bool> mIsShutdown; // set to true to stop the event loop running by mThread. nsCOMPtr<nsIThread> mThread; // worker thread to get I/O events. /** * The observers is maintained in |mObservers| to ensure valid life-cycle. * We don't remove the handle and corresponding observer directly, instead * the handle and observer into a "retired" list and close/remove them in * the worker thread to avoid a race condition that might happen between * |CloseHandle()| and |GetQueuedCompletionStatus()|. */ Mutex mLock; nsTArray<nsCOMPtr<nsINamedPipeDataObserver>> mObservers; // protected by mLock nsTArray<nsCOMPtr<nsINamedPipeDataObserver>> mRetiredObservers; // protected by mLock nsTArray<HANDLE> mRetiredHandles; // protected by mLock }; } // namespace net } // namespace mozilla #endif // mozilla_netwerk_socket_nsNamedPipeService_h