From b1b54629dc5bfc08b0b54380cb675c5d34850ee5 Mon Sep 17 00:00:00 2001
From: zhao maosheng <zmshahaha@gmail.com>
Date: Wed, 28 Aug 2024 16:04:07 +0800
Subject: [PATCH] update change prio func

---
 include/rtsched.h    |  1 +
 src/ipc.c            |  6 +++---
 src/scheduler_comm.c | 22 +++++++++++++++++++++-
 3 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/include/rtsched.h b/include/rtsched.h
index d650e09e379..38b6f5d3e4b 100644
--- a/include/rtsched.h
+++ b/include/rtsched.h
@@ -168,6 +168,7 @@ rt_err_t rt_sched_thread_close(struct rt_thread *thread);
 rt_err_t rt_sched_thread_ready(struct rt_thread *thread);
 rt_err_t rt_sched_thread_suspend(struct rt_thread *thread, rt_sched_lock_level_t level);
 rt_err_t rt_sched_thread_change_priority(struct rt_thread *thread, rt_uint8_t priority);
+rt_err_t rt_sched_thread_change_curr_priority(struct rt_thread *thread, rt_uint8_t priority);
 rt_err_t rt_sched_thread_bind_cpu(struct rt_thread *thread, int cpu);
 rt_uint8_t rt_sched_thread_is_suspended(struct rt_thread *thread);
 rt_err_t rt_sched_thread_timer_stop(struct rt_thread *thread);
diff --git a/src/ipc.c b/src/ipc.c
index 5ffcf017c2c..190a940e031 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -873,7 +873,7 @@ rt_inline void _thread_update_priority(struct rt_thread *thread, rt_uint8_t prio
     LOG_D("thread:%s priority -> %d", thread->parent.name, priority);
 
     /* change priority of the thread */
-    ret = rt_sched_thread_change_priority(thread, priority);
+    ret = rt_sched_thread_change_curr_priority(thread, priority);
 
     while ((ret == RT_EOK) && rt_sched_thread_is_suspended(thread))
     {
@@ -904,7 +904,7 @@ rt_inline void _thread_update_priority(struct rt_thread *thread, rt_uint8_t prio
                 {
                     thread = pending_mutex->owner;
 
-                    ret = rt_sched_thread_change_priority(thread, mutex_priority);
+                    ret = rt_sched_thread_change_curr_priority(thread, mutex_priority);
                 }
                 else
                 {
@@ -931,7 +931,7 @@ static rt_bool_t _check_and_update_prio(rt_thread_t thread, rt_mutex_t mutex)
         /* get the highest priority in the taken list of thread */
         priority = _thread_get_mutex_priority(thread);
 
-        rt_sched_thread_change_priority(thread, priority);
+        rt_sched_thread_change_curr_priority(thread, priority);
 
         /**
          * notify a pending reschedule. Since scheduler is locked, we will not
diff --git a/src/scheduler_comm.c b/src/scheduler_comm.c
index 4e5495e727c..b0d73818c3b 100644
--- a/src/scheduler_comm.c
+++ b/src/scheduler_comm.c
@@ -180,7 +180,7 @@ rt_err_t rt_sched_tick_increase(rt_tick_t tick)
 /**
  * @brief Update priority of the target thread
  */
-rt_err_t rt_sched_thread_change_priority(struct rt_thread *thread, rt_uint8_t priority)
+rt_err_t rt_sched_thread_change_curr_priority(struct rt_thread *thread, rt_uint8_t priority)
 {
     RT_ASSERT(priority < RT_THREAD_PRIORITY_MAX);
     RT_SCHED_DEBUG_IS_LOCKED;
@@ -224,6 +224,26 @@ rt_err_t rt_sched_thread_change_priority(struct rt_thread *thread, rt_uint8_t pr
     return RT_EOK;
 }
 
+/**
+ * @brief Update priority of the target thread
+ */
+rt_err_t rt_sched_thread_change_priority(struct rt_thread *thread, rt_uint8_t priority)
+{
+    RT_ASSERT(priority < RT_THREAD_PRIORITY_MAX);
+    RT_SCHED_DEBUG_IS_LOCKED;
+
+    /* change thread init priority */
+    RT_SCHED_PRIV(thread).init_priority = priority;
+
+    /* if this thread takes mutex, its current prio is controlled by mutex PI protocol */
+    if (rt_list_isempty(&thread->taken_object_list) && !(thread->pending_object && (rt_object_get_type(thread->pending_object) == RT_Object_Class_Mutex)))
+    {
+        rt_sched_thread_change_curr_priority(thread, priority);
+    }
+
+    return RT_EOK;
+}
+
 #ifdef RT_USING_OVERFLOW_CHECK
 void rt_scheduler_stack_check(struct rt_thread *thread)
 {