C++ is the canonical movie-hacker language: dense includes, angle brackets, scope-resolution operators, and enough punctuation to look impossibly difficult. It is the default language on the main HackerTyping screen for a reason — nothing says "systems-level intrusion" like a wall of templated C++.
The sample is modern multithreaded C++: threads, mutexes, condition variables, and smart pointers coordinating concurrent work across more than 300 lines. Long enough for extended takes, and never executed.
Like every HackerTyping screen, this is harmless entertainment: the C++ code is a local, prewritten sample that is displayed and never executed, and your keystrokes are never recorded. See the main hacker typer, the filmmaker guide for shooting tips, or the privacy policy. A project of Wild Monkey Labs.