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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsThreadPool_h__
#define nsThreadPool_h__
#include "nsITargetShutdownTask.h"
#include "nsIThread.h"
#include "nsIThreadPool.h"
#include "nsIRunnable.h"
#include "nsCOMArray.h"
#include "nsCOMPtr.h"
#include "nsThreadUtils.h"
#include "mozilla/Atomics.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/CondVar.h"
#include "mozilla/EventQueue.h"
#include "mozilla/LinkedList.h"
#include "mozilla/Mutex.h"
#include "mozilla/TargetShutdownTaskSet.h"
class nsIThread;
class nsThreadPool final : public mozilla::Runnable, public nsIThreadPool {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIEVENTTARGET_FULL
NS_DECL_NSITHREADPOOL
NS_DECL_NSIRUNNABLE
nsThreadPool();
static void InitTLS();
static nsThreadPool* GetCurrentThreadPool();
private:
~nsThreadPool();
struct MRUIdleEntry; // forward declaration only, see nsThreadPool.cpp
void ShutdownThread(nsIThread* aThread);
nsresult PutEvent(nsIRunnable* aEvent, mozilla::MutexAutoLock& aProofOfLock)
MOZ_REQUIRES(mMutex);
nsresult PutEvent(already_AddRefed<nsIRunnable> aEvent, DispatchFlags aFlags,
mozilla::MutexAutoLock& aProofOfLock) MOZ_REQUIRES(mMutex);
void NotifyChangeToAllIdleThreads() MOZ_REQUIRES(mMutex);
#ifdef DEBUG
void DebugLogPoolStatus(mozilla::MutexAutoLock& aProofOfLock,
MRUIdleEntry* aWakingEntry = nullptr)
MOZ_REQUIRES(mMutex);
#endif
mozilla::Mutex mMutex;
nsCOMArray<nsIThread> mThreads MOZ_GUARDED_BY(mMutex);
mozilla::EventQueue mEvents MOZ_GUARDED_BY(mMutex);
uint32_t mThreadLimit MOZ_GUARDED_BY(mMutex);
uint32_t mIdleThreadLimit MOZ_GUARDED_BY(mMutex);
mozilla::TimeDuration mIdleThreadGraceTimeout MOZ_GUARDED_BY(mMutex);
mozilla::TimeDuration mIdleThreadMaxTimeout MOZ_GUARDED_BY(mMutex);
mozilla::LinkedList<MRUIdleEntry> mMRUIdleThreads MOZ_GUARDED_BY(mMutex);
nsIThread::QoSPriority mQoSPriority MOZ_GUARDED_BY(mMutex);
uint32_t mStackSize MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsIThreadPoolListener> mListener MOZ_GUARDED_BY(mMutex);
bool mShutdown MOZ_GUARDED_BY(mMutex);
TargetShutdownTaskSet mShutdownTasks MOZ_GUARDED_BY(mMutex);
mozilla::Atomic<bool, mozilla::Relaxed> mIsAPoolThreadFree;
// set once before we start threads
nsCString mName MOZ_GUARDED_BY(mMutex);
nsThreadPoolNaming mThreadNaming; // all data inside this is atomic
};
#define NS_THREADPOOL_CID \
{/* 547ec2a8-315e-4ec4-888e-6e4264fe90eb */ \
0x547ec2a8, \
0x315e, \
0x4ec4, \
{0x88, 0x8e, 0x6e, 0x42, 0x64, 0xfe, 0x90, 0xeb}}
#endif // nsThreadPool_h__
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