зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.7 KiB
C++
79 строки
2.7 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 nsThreadPool_h__
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#define nsThreadPool_h__
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#include "nsIThread.h"
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#include "nsIThreadPool.h"
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#include "nsIRunnable.h"
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#include "nsCOMArray.h"
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#include "nsCOMPtr.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/CondVar.h"
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#include "mozilla/EventQueue.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/Mutex.h"
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class nsIThread;
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class nsThreadPool final : public mozilla::Runnable, public nsIThreadPool {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIEVENTTARGET_FULL
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NS_DECL_NSITHREADPOOL
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NS_DECL_NSIRUNNABLE
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nsThreadPool();
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static void InitTLS();
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static nsThreadPool* GetCurrentThreadPool();
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private:
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~nsThreadPool();
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struct MRUIdleEntry; // forward declaration only, see nsThreadPool.cpp
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void ShutdownThread(nsIThread* aThread);
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nsresult PutEvent(nsIRunnable* aEvent);
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nsresult PutEvent(already_AddRefed<nsIRunnable> aEvent, uint32_t aFlags);
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void NotifyChangeToAllIdleThreads() MOZ_REQUIRES(mMutex);
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#ifdef DEBUG
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void DebugLogPoolStatus(mozilla::MutexAutoLock& aProofOfLock,
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MRUIdleEntry* aWakingEntry = nullptr)
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MOZ_REQUIRES(mMutex);
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#endif
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mozilla::Mutex mMutex;
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nsCOMArray<nsIThread> mThreads MOZ_GUARDED_BY(mMutex);
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mozilla::EventQueue mEvents MOZ_GUARDED_BY(mMutex);
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uint32_t mThreadLimit MOZ_GUARDED_BY(mMutex);
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uint32_t mIdleThreadLimit MOZ_GUARDED_BY(mMutex);
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mozilla::TimeDuration mIdleThreadGraceTimeout MOZ_GUARDED_BY(mMutex);
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mozilla::TimeDuration mIdleThreadMaxTimeout MOZ_GUARDED_BY(mMutex);
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mozilla::LinkedList<MRUIdleEntry> mMRUIdleThreads MOZ_GUARDED_BY(mMutex);
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nsIThread::QoSPriority mQoSPriority MOZ_GUARDED_BY(mMutex);
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uint32_t mStackSize MOZ_GUARDED_BY(mMutex);
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nsCOMPtr<nsIThreadPoolListener> mListener MOZ_GUARDED_BY(mMutex);
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mozilla::Atomic<bool, mozilla::Relaxed> mShutdown;
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mozilla::Atomic<bool, mozilla::Relaxed> mIsAPoolThreadFree;
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// set once before we start threads
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nsCString mName MOZ_GUARDED_BY(mMutex);
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nsThreadPoolNaming mThreadNaming; // all data inside this is atomic
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};
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#define NS_THREADPOOL_CID \
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{ /* 547ec2a8-315e-4ec4-888e-6e4264fe90eb */ \
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0x547ec2a8, 0x315e, 0x4ec4, { \
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0x88, 0x8e, 0x6e, 0x42, 0x64, 0xfe, 0x90, 0xeb \
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} \
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}
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#endif // nsThreadPool_h__
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