How to wake a C++ 11 thread periodically?

Question

I would be grateful for some pointers on how to wake a C++ 11 thread periodically (say every 100ms). The platform is Linux and the language C++. I came across this solution:

C++ 11: Calling a C++ function periodically

but there they call a callback function and then sleep for the timer interval. That means that the actual period is the function execution time + the interval. I want to call the callback at a constant interval, irrespective of its execution time.

I wonder if Boost would help? But I would prefer not to use it, as this project is not multi-platform and I want to minimize the use of third party libraries.

Perhaps combining a POSIX timer with a C++ thread is a way forward? I'm not sure exactly how that would work.

Any suggestions as to how to get started would be appreciated.

Answer 1

Use std::this_thread::sleep_until(), incrementing the absolute wakeup time by the fixed interval each time.