C++

29.9    Summary

Here I summarize the elements for multithreading in the standard library in a brief overview:

• Avoid having to manage threads yourself wherever possible.

• Use jthread for threads (from C++20; otherwise, thread).

• Use stop_token as a cancellation mechanism (from C++20).

• Use latch and barrier (from C++20) and possibly future for synchronization.

• For the rest, use mutex.

• Use atomic only in the rarest cases.

29.9.1    “<thread>” Header

• thread, jthread—join(), detach(), joinable(), get_id(), native_handle()Classes for starting threads. join() waits for the thread to finish. detach() allows the thread to continue running even if the thread object is destroyed. get_id() returns a unique thread identifier. native_handle() ...