ExDereferenceCallBackBlock

VOID __fastcall ExDereferenceCallBackBlock(INT64 *a1, EX_RUNDOWN_REF *a2){
  signed __int64 v2; 
  signed __int64 v3; 
  _m_prefetchw(a1);
  v2 = *a1;
  if( ((unsigned __int64)a2 ^ *a1) >= 0xF )
  {
LABEL_4:
    ExReleaseRundownProtection(a2);
  }
  else
  {
    while( 1 )
    {
      v3 = v2;
      v2 = _InterlockedCompareExchange64(a1, v2 + 1, v2);
      if( v3 == v2 )
        break;
      if( ((unsigned __int64)a2 ^ v2) >= 0xF )
        goto LABEL_4;
    }
  }
}

Referenced by: