Function keyboard_handler_inner

kernel/src/interrupts.rs:335–354

(
    context_addr: usize
)

interrupt_wrap!(keyboard_handler_inner => keyboard_interrupt_handler);

extern "C" fn keyboard_handler_inner(
    context_addr: usize
)-> usize {

    // Change to a new thread if there is one waiting
    if !INTERRUPT_WAITING.read().is_empty() {

        // Schedule waiting threads
        for thread in INTERRUPT_WAITING.write().drain(..) {
            // Note: This adds to the front of the queue
            process::schedule_thread(thread);
        }

        // Switch to one of the scheduled threads
        process::schedule_next(context_addr)
    } else {
        // Return to interrupted thread
        context_addr
    }
}