From 4a6593f1a6f666c618d303a4858c4c6d31b41c63 Mon Sep 17 00:00:00 2001
From: Mole Shang <135e2@135e2.dev>
Date: Sun, 11 Feb 2024 17:51:28 +0800
Subject: lab cow: finish

---
 kernel/defs.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'kernel/defs.h')

diff --git a/kernel/defs.h b/kernel/defs.h
index 04a0276..870c984 100644
--- a/kernel/defs.h
+++ b/kernel/defs.h
@@ -23,6 +23,9 @@ void            consoleinit(void);
 void            consoleintr(int);
 void            consputc(int);
 
+// cow.c
+int             cow_handler(pagetable_t, uint64);
+
 // exec.c
 int             exec(char*, char**);
 
@@ -61,6 +64,8 @@ void            ramdiskintr(void);
 void            ramdiskrw(struct buf*);
 
 // kalloc.c
+int             refcnt_inc(uint64);
+int             refcnt_dec(uint64);
 void*           kalloc(void);
 void            kfree(void *);
 void            kinit(void);
-- 
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