EmpQueueRuleUpdateState

VOID __stdcall EmpQueueRuleUpdateState(_EMP_RULE_DB_RECORD *RuleRecord, _EMP_ENTRY_DB_RECORD *FixEntry){
  _QWORD *i; 
  VOID **PoolWithTag; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  unsigned __int8 v8; 
  int v9; 
  bool v10; 
  __int64 v11; 
  _KLOCK_ENTRY *v12; 
  int v13; 
  unsigned int v14; 
  __int64 v15; 
  UINT64 a3; 

  ExAcquirePushLockExclusiveEx(&EmpEvaluationQueueLock, 0i64);
  for( i = (_QWORD *)EmpRuleUpdateQueue; i; i = (_QWORD *)*i )
  {
    if( (_EMP_RULE_DB_RECORD *)*(i - 1) == RuleRecord )
    {
      if( i != (_QWORD *)8 )
      {
        i[1] = 0i64;
        goto LABEL_8;
      }
      break;
    }
  }
  PoolWithTag = ExAllocatePoolWithTag(1ui64, 0x18ui64, 1970359621i64);
  if( PoolWithTag )
  {
    *PoolWithTag = RuleRecord;
    PoolWithTag[2] = FixEntry;
    PoolWithTag[1] = (VOID *)EmpRuleUpdateQueue;
    EmpRuleUpdateQueue = (__int64)(PoolWithTag + 1);
    if( !EmpWorkerBusy )
    {
      _InterlockedExchange(&EmpWorkerBusy, 1);
      ExQueueWorkItem(&EmpRuleUpdateWorker, DelayedWorkQueue);
    }
  }
LABEL_8:
  if( (_InterlockedExchangeAdd64(&EmpEvaluationQueueLock._bf_0, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock(&EmpEvaluationQueueLock);
  LODWORD(a3) = 0;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( MiGetSystemRegionType((UINT64)&EmpEvaluationQueueLock) == 1 )
    SessionId = MmGetSessionIdEx(CurrentThread->Tcb.ApcState.Process);
  else
    SessionId = -1;
  --CurrentThread->Tcb.SpecialApcDisable;
  v8 = ++CurrentThread->Tcb.AbAllocationRegionCount;
  v9 = ((char)CurrentThread->Tcb.AbEntrySummary | (char)CurrentThread->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
  while( 1 )
  {
    v10 = !_BitScanReverse((unsigned int *)&v11, v9);
    if( v10 )
      break;
    v12 = &CurrentThread->Tcb.LockEntries[v11];
    v9 &= ~(1 << v11);
    if( (v12->AcquiredByte & 1) != 0
      && (v12->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
      && (v12->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)&EmpEvaluationQueueLock & 0x7FFFFFFFFFFFFFFCi64)
      && v12->LockState.SessionId == SessionId )
    {
      v12->AcquiredByte &= ~1u;
      if( v12->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
      {
        if( v12 )
        {
          v12->CrossThreadReleasableAndBusyByte |= 2u;
          if( v12->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
            KiAbEntryRemoveFromTree(v12);
          v13 = v12->BoostBitmap.AllFields & 0x1FFFF;
          v14 = v12->BoostBitmap.AllFields & 0xFFFE0000;
          v12->ThreadLocalFlags &= ~1u;
          LODWORD(a3) = v13;
          v12->BoostBitmap.AllFields = v14;
          v12->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
          v15 = v12 - CurrentThread->Tcb.LockEntries;
          if( v8 == 1 )
            CurrentThread->Tcb.AbEntrySummary |= 1 << v15;
          else
            _InterlockedOr8((volatile signed __int8 *)&CurrentThread->Tcb.AbOrphanedEntrySummary, 1 << v15);
          goto LABEL_24;
        }
        break;
      }
    }
  }
  if( (*(&CurrentThread->Tcb.MiscFlags + 1) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, CurrentThread, &EmpEvaluationQueueLock, (PVOID)SessionId, 0i64);
LABEL_24:
  --CurrentThread->Tcb.AbAllocationRegionCount;
  KiAbThreadRemoveBoosts(&CurrentThread->Tcb, &EmpEvaluationQueueLock, &a3);
  v10 = CurrentThread->Tcb.SpecialApcDisable++ == -1;
  if( v10
    && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)CurrentThread->Tcb.ApcState.ApcListHead[0].Flink != &CurrentThread->Tcb.152 )
  {
    KiCheckForKernelApcDelivery();
  }
}

Referenced by: