message: Interrupt loading thread after shutdown request
  Github-Pull:
  Rebased-From:
  Tree-SHA512:
diff: @@ -678,11 +678,13 @@ void ThreadImport(std::vector<fs::path> vImportFiles)
  if (!ActivateBestChain(state, chainparams)) {
  LogPrintf("Failed to connect best block");
  StartShutdown();
  + return;
  }
  if (gArgs.GetBoolArg("-stopafterblockimport", DEFAULT_STOPAFTERBLOCKIMPORT)) {
  LogPrintf("Stopping after block import\n");
  StartShutdown();
  + return;
  }
  } // End scope of CImportingNow
  if (gArgs.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) {
  