The Tor Browser: security/manager/ssl/src/nsPSMBackgroundThread.h@141e0f1194b1

     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/. */

     5 #ifndef _NSPSMBACKGROUNDTHREAD_H_

     6 #define _NSPSMBACKGROUNDTHREAD_H_

     8 #include "nspr.h"

     9 #include "nscore.h"

    10 #include "mozilla/CondVar.h"

    11 #include "mozilla/Mutex.h"

    12 #include "nsNSSComponent.h"

    14 class nsPSMBackgroundThread

    15 {

    16 protected:

    17   static void nsThreadRunner(void *arg);

    18   virtual void Run(void) = 0;

    20   // used to join the thread

    21   PRThread *mThreadHandle;

    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;

    29   // Used to signal the thread's Run loop when a job is added

    30   // and/or exit is requested.

    31   mozilla::CondVar mCond;

    33   bool exitRequested(::mozilla::MutexAutoLock const & proofOfLock) const;

    34   bool exitRequestedNoLock() const { return mExitState != ePSMThreadRunning; }

    35   nsresult postStoppedEventToMainThread(::mozilla::MutexAutoLock const & proofOfLock);

    37 private:

    38   enum {

    39     ePSMThreadRunning = 0,

    40     ePSMThreadStopRequested = 1,

    41     ePSMThreadStopped = 2

    42   } mExitState;

    44   // The thread's name.

    45   nsCString mName;

    47 public:

    48   nsPSMBackgroundThread();

    49   virtual ~nsPSMBackgroundThread();

    51   nsresult startThread(const nsCSubstring & name);

    52   void requestExit();

    53 };

    56 #endif

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