ableos-framebuffer/ableos/src/kernel_state.rs

use lazy_static::lazy_static;

lazy_static! {
    pub static ref KERNEL_STATE: spin::Mutex<KernelInternalState> =
        spin::Mutex::new(KernelInternalState::new());
}

pub struct KernelInternalState {
    should_shutdown: bool,
}

impl KernelInternalState {
    pub fn new() -> Self {
        Self {
            should_shutdown: false,
        }
    }
    pub fn shutdown(&mut self) {
        self.should_shutdown = true;
    }
    pub fn update_state(&mut self) {
        if self.should_shutdown {
            crate::arch::shutdown();
        }
    }
}