Run Recorder in a process instead of thread.

[cmangla]

Also serialise stop events. Both changes improve reliability.

Description

In Recorder.join(), Thread.join(...) hangs. It is safe to run Recorder in a different process instead of a thread, and that solves this issue.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Documentation

Issues Fixed or Closed by This PR

• Recorder thread fails to join Recorder thread fails to join #23

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[mre]

Tested and works. Thanks @cmangla. 😊
Along the way I noticed that the dependencies of the project are quite out-of-date. Will create a PR for that. Maybe you have time to be a reviewer?

[cmangla]

Tested and works. Thanks @cmangla. 😊
Along the way I noticed that the dependencies of the project are quite out-of-date. Will create a PR for that. Maybe you have time to be a reviewer?

You're welcome @mre! Sure, I can review that.