Function SK_Thread_QueryNameFromOS

src/thread.cpp:102–140

static std::wstring _noname = L"";

const wchar_t*
SK_Thread_QueryNameFromOS (DWORD dwTid)
{
  if (_SK_UntitledThreads->find (dwTid) == _SK_UntitledThreads->cend ())
  {
    SK_AutoHandle hThread (
               OpenThread ( THREAD_QUERY_LIMITED_INFORMATION,
                              FALSE,
                                dwTid ) );

    if (hThread.isValid ())
    {
      wchar_t                                          *wszThreadName = nullptr;
      if (SUCCEEDED (SK_GetThreadDescription (hThread, &wszThreadName)))
      {
        if ( wszThreadName != nullptr &&
            *wszThreadName != L'\0' ) // Empty strings are not useful :)
        {
          auto name =
            _SK_ThreadNames.get()[dwTid].data();

          __make_self_titled (dwTid);
          wcsncpy_s (name, SK_MAX_THREAD_NAME_LEN, wszThreadName, _TRUNCATE);
      
          LocalFree (wszThreadName);

          return name;
        }

        LocalFree (wszThreadName);
      }
    }

    _SK_UntitledThreads->insert (dwTid);
  }

  return
    L"";
}

DWORD
SK_Thread_FindByName (std::wstring name)