gecko-dev/xpcom/threads/nsThreadPool.h
2020-11-23 16:12:02 +00:00

64 lines
1.8 KiB
C++

/* -*- 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 "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/Mutex.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();
private:
~nsThreadPool();
void ShutdownThread(nsIThread* aThread);
nsresult PutEvent(nsIRunnable* aEvent);
nsresult PutEvent(already_AddRefed<nsIRunnable> aEvent, uint32_t aFlags);
nsCOMArray<nsIThread> mThreads;
mozilla::Mutex mMutex;
mozilla::CondVar mEventsAvailable;
mozilla::EventQueue mEvents;
uint32_t mThreadLimit;
uint32_t mIdleThreadLimit;
uint32_t mIdleThreadTimeout;
uint32_t mIdleCount;
uint32_t mStackSize;
nsCOMPtr<nsIThreadPoolListener> mListener;
bool mShutdown;
bool mRegressiveMaxIdleTime;
mozilla::Atomic<bool, mozilla::Relaxed> mIsAPoolThreadFree;
nsCString mName;
nsThreadPoolNaming mThreadNaming;
};
#define NS_THREADPOOL_CID \
{ /* 547ec2a8-315e-4ec4-888e-6e4264fe90eb */ \
0x547ec2a8, 0x315e, 0x4ec4, { \
0x88, 0x8e, 0x6e, 0x42, 0x64, 0xfe, 0x90, 0xeb \
} \
}
#endif // nsThreadPool_h__