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https://github.com/classilla/tenfourfox.git
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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/* 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 _NSPSMBACKGROUNDTHREAD_H_
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#define _NSPSMBACKGROUNDTHREAD_H_
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#include "nspr.h"
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#include "nscore.h"
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#include "mozilla/CondVar.h"
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#include "mozilla/Mutex.h"
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#include "nsNSSComponent.h"
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class nsPSMBackgroundThread
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{
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protected:
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static void nsThreadRunner(void *arg);
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virtual void Run(void) = 0;
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// used to join the thread
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PRThread *mThreadHandle;
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// Shared mutex used for condition variables,
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// and to protect access to mExitState.
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// Derived classes may use it to protect additional
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// resources.
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mozilla::Mutex mMutex;
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// Used to signal the thread's Run loop when a job is added
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// and/or exit is requested.
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mozilla::CondVar mCond;
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bool exitRequested(::mozilla::MutexAutoLock const & proofOfLock) const;
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bool exitRequestedNoLock() const { return mExitState != ePSMThreadRunning; }
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nsresult postStoppedEventToMainThread(::mozilla::MutexAutoLock const & proofOfLock);
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private:
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enum {
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ePSMThreadRunning = 0,
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ePSMThreadStopRequested = 1,
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ePSMThreadStopped = 2
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} mExitState;
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// The thread's name.
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nsCString mName;
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public:
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nsPSMBackgroundThread();
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virtual ~nsPSMBackgroundThread();
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nsresult startThread(const nsCSubstring & name);
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void requestExit();
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};
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#endif
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