From 779f732ba48fe64e1073d3e46b1027b0ecf1bba5 Mon Sep 17 00:00:00 2001
From: longjin <longjin@DragonOS.org>
Date: Thu, 31 Oct 2024 14:09:28 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=88=A0=E9=99=A4=E5=9C=A8=20#949=20?=
 =?UTF-8?q?=E4=B8=AD=E6=84=8F=E5=A4=96=E6=B7=BB=E5=8A=A0=E7=9A=84=E6=97=A7?=
 =?UTF-8?q?=E7=89=88ida?=
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https://github.com/DragonOS-Community/DragonOS/pull/949

Signed-off-by: longjin <longjin@DragonOS.org>
---
 kernel/src/libs/ida/src/lib.rs | 55 ----------------------------------
 1 file changed, 55 deletions(-)
 delete mode 100644 kernel/src/libs/ida/src/lib.rs

diff --git a/kernel/src/libs/ida/src/lib.rs b/kernel/src/libs/ida/src/lib.rs
deleted file mode 100644
index ac25d557c..000000000
--- a/kernel/src/libs/ida/src/lib.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-#![no_std]
-#![feature(core_intrinsics)]
-#![allow(clippy::needless_return)]
-
-use core::intrinsics::unlikely;
-use core::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
-
-/// id分配器
-///
-/// TODO: 当前只是为了简单实现功能，将来这里应使用类似linux的ida的方式去实现
-#[derive(Debug)]
-pub struct IdAllocator {
-    current_id: AtomicUsize,
-    max_id: usize,
-    dead: AtomicBool,
-}
-
-impl IdAllocator {
-    /// 创建一个新的id分配器
-    pub const fn new(initial_id: usize, max_id: usize) -> Self {
-        Self {
-            current_id: AtomicUsize::new(initial_id),
-            max_id,
-            dead: AtomicBool::new(false),
-        }
-    }
-
-    /// 分配一个新的id
-    ///
-    /// ## 返回
-    ///
-    /// 如果分配成功，返回Some(id)，否则返回None
-    pub fn alloc(&self) -> Option<usize> {
-        if unlikely(self.dead.load(Ordering::SeqCst)) {
-            return None;
-        }
-
-        let ret = self.current_id.fetch_add(1, Ordering::SeqCst);
-        // 如果id溢出，panic
-        if ret == self.max_id {
-            self.dead.store(true, Ordering::SeqCst);
-            return None;
-        }
-
-        return Some(ret);
-    }
-
-    pub fn free(&self, _id: usize) {
-        // todo: free
-    }
-
-    pub fn get_max_id(&self) -> usize {
-        self.max_id
-    }
-}