Move system to the right location

src/kernel/system.rs

@@ -0,0 +1,25 @@
+use std::{sync::{RwLock, Arc}};
+
+use lazy_static::lazy_static;
+
+use crate::{kernel::{thread::Thread, scheduler::Scheduler}, utility::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: RwLock<List<Arc<Thread>>> = RwLock::new(List::new());
+    pub static ref G_SCHEDULER: RwLock<Scheduler> = RwLock::new(Scheduler::new());
+}
+
+
+#[derive(PartialEq)]
+pub enum ObjectType {
+    SemaphoreType,
+    LockType,
+    ConditionType,
+    FileType,
+    ThreadType,
+    InvalidType
+}