2480 static const intptr_t kCvEvent = 0x0002L;  // record events  variable
2485 enum { kGdbCvSpin = kCvSpin, kGdbCvEvent = kCvEvent, kGdbCvLow = kCvLow, };
2491   SynchEvent *e = EnsureSynchEvent(&this->cv_, name, kCvEvent, kCvSpin);  in EnableDebugLog()
2497   if ((cv_.load(std::memory_order_relaxed) & kCvEvent) != 0) {  in ~CondVar()
2498     ForgetSynchEvent(&this->cv_, kCvEvent, kCvSpin);  in ~CondVar()
2530       cv_.store((v & kCvEvent) | reinterpret_cast<intptr_t>(h),  in Remove()
2582   cv_word->store((v & kCvEvent) | reinterpret_cast<intptr_t>(waitp->thread),  in CondVarEnqueue()
2596   if ((v & kCvEvent) != 0) {  in WaitCommon()
2639   if ((v & kCvEvent) != 0) {  in WaitCommon()
2705       cv_.store((v & kCvEvent) | reinterpret_cast<intptr_t>(h),  in Signal()
2711       if ((v & kCvEvent) != 0) {  in Signal()
2735         cv_.compare_exchange_strong(v, v & kCvEvent, std::memory_order_acquire,  in SignalAll()
2748       if ((v & kCvEvent) != 0) {  in SignalAll()