Non-reentrant timers

Question

I have a function that I want to invoke every x seconds, but I want it to be thread-safe.

Can I set up this behavior when I am creating the timer? (I don\'t

Answer 1

How timer could know about your shared data?

Timer callback is executed on some ThreadPool thread. So you will have at least 2 threads:

1. Your main thread where timer is created and launched;
2. Thread from ThreadPool for launching callback.

And it is your responsibility to provide correct work with your shared data.

Re edits: chibacity provided the perfect example.