```
bitcoind -par=1
```

Excerpt from the `debug.log`:

```
Using 0 threads for script verification
```

Zero? I guess not ;)
{
    InterruptHTTPServer();
    InterruptHTTPRPC();
    InterruptRPC();
    InterruptREST();
    InterruptTorControl();
    InterruptMapPort();
    if (node.connman)
        node.connman->Interrupt();
    if (g_txindex) {
        g_txindex->Interrupt();
    }
    ForEachBlockFilterIndex([](BlockFilterIndex& index) { index.Interrupt(); });
}
void Shutdown(NodeContext& node)