From 3ed84b8d03dc9778f1c262278e2b8653de834408 Mon Sep 17 00:00:00 2001
From: shaojinchun <shaojinchun@rt-thread.com>
Date: Fri, 24 Jul 2020 21:13:56 +0800
Subject: 解决yield操作不能及时释放cpu的问题
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---
 src/thread.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/thread.c')

diff --git a/src/thread.c b/src/thread.c
index 715596b132..60aa17f381 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -478,7 +478,15 @@ RTM_EXPORT(rt_thread_delete);
  */
 rt_err_t rt_thread_yield(void)
 {
+    struct rt_thread *thread;
+    rt_base_t lock;
+
+    thread = rt_thread_self();
+    lock = rt_hw_interrupt_disable();
+    thread->remaining_tick = thread->init_tick;
+    thread->stat |= RT_THREAD_STAT_YIELD;
     rt_schedule();
+    rt_hw_interrupt_enable(lock);
 
     return RT_EOK;
 }
-- 
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