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Example of using a CondVar

 vpr::CondVar mCondVar;   // The condition variable to use

 // --- Set a state and signal everyone else about it --- //
 mCondVar.acquire();
 {
 mState = NEW_STATE;
 mCondVar.signal();
 }
 mCondVar.release();


 // -- Wait for a condition -- //
 mCondVar.acquire();
 {
 while ( mState != DESIRED_STATE ) {
 mCondVar.wait();
 }
 }
 mCondVar.release();

of using a CondVar

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