RtlLockBootStatusData

INT64 __fastcall RtlLockBootStatusData(VOID **BootStatusDataHandle){
  wchar_t *Buffer; 
  NTSTATUS v3; 
  WCHAR v4; 
  WCHAR v5; 
  struct _UNICODE_STRING DestinationString; 
  struct _IO_STATUS_BLOCK IoStatusBlock; 
  struct _OBJECT_ATTRIBUTES ObjectAttributes; 
  CHAR a2; 
  UNICODE_STRING FileHandle; 
  *(_QWORD *)&FileHandle.Length = 0i64;
  Buffer = 0i64;
  memset(&ObjectAttributes, 0, sizeof(ObjectAttributes));
  FileHandle.Buffer = 0i64;
  v3 = 0;
  a2 = 0;
  DestinationString = 0i64;
  IoStatusBlock = 0i64;
  RtlpAcquireBootStatusLock();
  ++BootStatReferenceCount;
  if( BootStatFileHandleAcquired )
  {
    if( BootStatusDataHandle )
    {
      *BootStatusDataHandle = BootStatFileHandle;
      goto LABEL_10;
    }
    goto LABEL_4;
  }
  RtlpGetBootStatusPath((UINT8 **)&FileHandle.Buffer, &a2, v4);
  Buffer = FileHandle.Buffer;
  RtlInitUnicodeString(&DestinationString, FileHandle.Buffer, v5);
  ObjectAttributes.RootDirectory = 0i64;
  ObjectAttributes.ObjectName = &DestinationString;
  ObjectAttributes.Length = 48;
  ObjectAttributes.Attributes = 704;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  v3 = ZwOpenFile(&FileHandle, (PWCHAR)0x12019F);
  if( v3 < 0 )
  {
    BootStatFileHandle = 0i64;
    BootStatReferenceCount = 0;
    BootStatFileHandleAcquired = 0;
    if( BootStatusDataHandle )
      *BootStatusDataHandle = 0i64;
  }
  else
  {
    BootStatFileHandle = *(HANDLE *)&FileHandle.Length;
    BootStatFileHandleAcquired = 1;
    RtlInitializeBootStatDataCache();
    if( !BootStatusDataHandle )
    {
LABEL_4:
      BootStatKeepHandleOpen = 1;
      goto LABEL_10;
    }
    *BootStatusDataHandle = *(VOID **)&FileHandle.Length;
  }
LABEL_10:
  RtlpReleaseBootStatusLock();
  if( a2 )
    ExFreePoolWithTag(Buffer, 0);
  return(unsigned int)v3;
}

Referenced by: