IC tanks are not running single threads, what should I do

Developers Language Support
3

You need to show the real code. The one displayed doesn’t have anything async and should work unless there are bugs in these functions, but that has nothing to do with concurrency.

function add() {
  let id = nextId;
  await addUser(id);
  nextId += 1;
  return id
}

This will result in same ids if they were added at the same time

function add() {
  let id = nextId;
  nextId += 1;
  await addUser(id);
  return id
}

This will work well. nextId’s state gets saved before calling addUser

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