From 37960723b8fe6c91d14c7c4c1c30a97d17e0033b Mon Sep 17 00:00:00 2001
From: geniusgogo <xpxyr@sina.com>
Date: Fri, 28 May 2021 09:43:06 +0800
Subject: [PATCH] fix rt_tick_increase critical code protection

---
 src/clock.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/clock.c b/src/clock.c
index 0880d8d241..8746d463c1 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -76,10 +76,14 @@ void rt_tick_increase(void)
     -- thread->remaining_tick;
     if (thread->remaining_tick == 0)
     {
+        rt_base_t level;
+
         /* change to initialized tick */
         thread->remaining_tick = thread->init_tick;
 
+        level = rt_hw_interrupt_disable();
         thread->stat |= RT_THREAD_STAT_YIELD;
+        rt_hw_interrupt_enable(level);
 
         rt_schedule();
     }