From 05273de9c16b881f79e8bb00a6874df8ee9c826f Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Fri, 16 May 2025 23:18:16 -0400
Subject: kernel: cons: Add lock to console buffer

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/dev/cons/consvar.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/include')

diff --git a/sys/include/dev/cons/consvar.h b/sys/include/dev/cons/consvar.h
index 483d5f1..253176b 100644
--- a/sys/include/dev/cons/consvar.h
+++ b/sys/include/dev/cons/consvar.h
@@ -32,6 +32,7 @@
 
 #include <sys/types.h>
 #include <sys/param.h>
+#include <sys/spinlock.h>
 
 /* Buffer types */
 #define CONS_BUF_INPUT   0
@@ -62,6 +63,7 @@ struct cons_input {
  * keyboard input or console output.
  */
 struct cons_buf {
+    struct spinlock lock;
     union {
         struct cons_input *ibuf;
         struct cons_char *obuf;
-- 
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