Module signals 

Operating system signal handling.

Registers a Ctrl+C (SIGINT) handler that signals cancellation via a shared AtomicBool. All modules that run long operations must check is_cancelled periodically.

Functions

cancellation_flag

Returns the shared cancellation flag pointer.

is_cancelled

Returns true if the user pressed Ctrl+C.

is_terminated

Returns true if the process received SIGTERM.

register_handler

Registers the Ctrl+C handler that sets the cancellation flag.

sigterm_flag

Returns the Arc of the SIGTERM flag for async tasks.