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comparison: security/manager/ssl/src/nsPSMBackgroundThread.h
security/manager/ssl/src/nsPSMBackgroundThread.h
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef _NSPSMBACKGROUNDTHREAD_H_ | |
| 6 #define _NSPSMBACKGROUNDTHREAD_H_ | |
| 7 | |
| 8 #include "nspr.h" | |
| 9 #include "nscore.h" | |
| 10 #include "mozilla/CondVar.h" | |
| 11 #include "mozilla/Mutex.h" | |
| 12 #include "nsNSSComponent.h" | |
| 13 | |
| 14 class nsPSMBackgroundThread | |
| 15 { | |
| 16 protected: | |
| 17 static void nsThreadRunner(void *arg); | |
| 18 virtual void Run(void) = 0; | |
| 19 | |
| 20 // used to join the thread | |
| 21 PRThread *mThreadHandle; | |
| 22 | |
| 23 // Shared mutex used for condition variables, | |
| 24 // and to protect access to mExitState. | |
| 25 // Derived classes may use it to protect additional | |
| 26 // resources. | |
| 27 mozilla::Mutex mMutex; | |
| 28 | |
| 29 // Used to signal the thread's Run loop when a job is added | |
| 30 // and/or exit is requested. | |
| 31 mozilla::CondVar mCond; | |
| 32 | |
| 33 bool exitRequested(::mozilla::MutexAutoLock const & proofOfLock) const; | |
| 34 bool exitRequestedNoLock() const { return mExitState != ePSMThreadRunning; } | |
| 35 nsresult postStoppedEventToMainThread(::mozilla::MutexAutoLock const & proofOfLock); | |
| 36 | |
| 37 private: | |
| 38 enum { | |
| 39 ePSMThreadRunning = 0, | |
| 40 ePSMThreadStopRequested = 1, | |
| 41 ePSMThreadStopped = 2 | |
| 42 } mExitState; | |
| 43 | |
| 44 // The thread's name. | |
| 45 nsCString mName; | |
| 46 | |
| 47 public: | |
| 48 nsPSMBackgroundThread(); | |
| 49 virtual ~nsPSMBackgroundThread(); | |
| 50 | |
| 51 nsresult startThread(const nsCSubstring & name); | |
| 52 void requestExit(); | |
| 53 }; | |
| 54 | |
| 55 | |
| 56 #endif |
