diff options
| author | wdfk-prog <[email protected]> | 2025-09-21 09:43:26 +0800 |
|---|---|---|
| committer | R b b666 <[email protected]> | 2025-09-21 15:26:51 +0800 |
| commit | 2d375b236c8c58d6fc75144ed18e7f484ec13b15 (patch) | |
| tree | 6c7188b09edc970a23b1d9004bd61e8cb4ec58d6 /src | |
| parent | 42458e0618d5e82b3e6c580f401e921a33d049dc (diff) | |
[kernel]fix scheduling exception caused by interrupt preemption in rt_schedule
Diffstat (limited to 'src')
| -rw-r--r-- | src/scheduler_up.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/scheduler_up.c b/src/scheduler_up.c index 8099d3d9f3..2970202dbf 100644 --- a/src/scheduler_up.c +++ b/src/scheduler_up.c @@ -32,6 +32,7 @@ * 2023-10-17 ChuShicheng Modify the timing of clearing RT_THREAD_STAT_YIELD flag bits * 2025-08-04 Pillar Add rt_scheduler_critical_switch_flag * 2025-08-20 RyanCW rt_scheduler_lock_nest use atomic operations + * 2025-09-20 wdfk_prog fix scheduling exception caused by interrupt preemption in rt_schedule */ #define __RT_IPC_SOURCE__ @@ -283,12 +284,14 @@ void rt_schedule(void) rt_base_t level; struct rt_thread *to_thread; struct rt_thread *from_thread; - /* using local variable to avoid unecessary function call */ - struct rt_thread *curr_thread = rt_thread_self(); + struct rt_thread *curr_thread; /* disable interrupt */ level = rt_hw_interrupt_disable(); + /* using local variable to avoid unnecessary function call */ + curr_thread = rt_thread_self(); + /* check the scheduler is enabled or not */ if (rt_scheduler_lock_nest == 0) { |