"Signals have been around since the 1970s Bell Labs Unix and have been more recently specified in the POSIX standard." --wikipedia
Basically, they're a software interrupt handler. Not too different from assembly. I don't see why that would be innovative at all?
In fact, early C++ just compiled to C. You can write structs with function pointers and vtables all in C if you wanted. People have been doing that since the 80s.
http://man7.org/linux/man-pages/man2/signal.2.html
"Signals have been around since the 1970s Bell Labs Unix and have been more recently specified in the POSIX standard." --wikipedia
Basically, they're a software interrupt handler. Not too different from assembly. I don't see why that would be innovative at all?
In fact, early C++ just compiled to C. You can write structs with function pointers and vtables all in C if you wanted. People have been doing that since the 80s.