Threads provided by the operating system

Note!

We call this 1:1 threading. Each task is assigned one OS thread.

Since this book will not focus specifically on OS threads as a way to handle concurrency going forward, we treat them more thoroughly here.

Let’s start with the obvious. To use threads provided by the operating system, you need, well, an operating system. Before we discuss the use of threads as a means to handle concurrency, we need to be clear about what kind of operating systems we’re talking about since they come in different flavors.

Embedded systems are more widespread now than ever before. This kind of hardware might not have the resources for an operating system, and if they do, you might use a radically different kind of operating system tailored to your needs, as the systems tend to be less general purpose and more specialized in nature.

Their support for threads, and the characteristics of how they schedule them, might be different from...