From dbba25aa24f86c1f8c3a0589c82985840adc1b6b Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Wed, 31 Dec 2025 18:00:55 +0800
Subject: dev:Refactor Memory Management and Process Management

---
 include/kernel/sync.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 include/kernel/sync.h

(limited to 'include/kernel/sync.h')

diff --git a/include/kernel/sync.h b/include/kernel/sync.h
new file mode 100644
index 0000000..83d88c8
--- /dev/null
+++ b/include/kernel/sync.h
@@ -0,0 +1,38 @@
+#pragma once
+#include "common/types.h"
+#include "kernel/spinlock.h"
+#include "kernel/proc_def.h"
+
+
+struct WaitQueue
+{
+    Spinlock lock;
+    struct Proc *head;
+    struct Proc *tail;
+
+    void init(const char *name);
+    void sleep();
+    void wakeup();
+    void wakeup_all();
+};
+
+struct Semaphore
+{
+    int value;
+    WaitQueue wq;
+    Spinlock lock;
+
+    void init(int val, const char *name);
+    void wait();
+    void post();
+};
+
+struct CondVar
+{
+    WaitQueue wq;
+
+    void init(const char *name);
+    void wait(Spinlock *mutex_lock);
+    void signal();
+    void broadcast();
+};
\ No newline at end of file
-- 
cgit v1.2.3