use std::sync::{RwLock, Arc};

use lazy_static::lazy_static;

use crate::kernel::thread::Thread;

use super::list::List;
extern crate lazy_static;

lazy_static! {
    pub static ref G_CURRENT_THREAD: RwLock<Option<Thread>> = RwLock::new(Option::None);
    pub static ref G_THREAD_TO_BE_DESTROYED: RwLock<Option<Thread>> = RwLock::new(Option::None);
    // pub static ref G_ALIVE: Arc<RwLock<List<Thread>>> = Arc::new(RwLock::new(List::new()));
}


#[derive(PartialEq)]
pub enum ObjectType {
    SemaphoreType,
    LockType,
    ConditionType,
    FileType,
    ThreadType,
    InvalidType
}