rt_thread_self方法里面的RT_USING_SMP使用问题

发布于 2024-07-01 17:03:32 浏览：228 订阅该版

![screenshot_6394696efeeee3ee3e52d800ebc0d34.png](https://oss-club.rt-thread.org/uploads/20240701/bfad03c878342b8839ceca987414752e.png)

新版本对RT_USING_SMP宏使用的是正确的吗？
如果没有定义RT_USING_SMP宏，反而使用多核心的api方法？
关于spin lock ，使用smp才会有spin lock，，但是没定义RT_USING_SMP宏，却使用这些方法，新版本编译好多报错。

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20240701/54ec476e3ea657ab49ffb63663805c94.png.webp)

```
Build started: Project: project
*** Using Compiler 'V5.06 update 7 (build 960)', folder: 'D:\Keil_v5\ARM\ARMCC\Bin'
Build target 'rt-thread'
linking...
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_spin_lock_init (referred from dataqueue.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_spin_lock_irqsave (referred from dataqueue.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_spin_unlock_irqrestore (referred from dataqueue.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_condvar_init (referred from pipe.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_cpu_index (referred from idle.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_spin_lock (referred from ipc.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_spin_unlock (referred from ipc.o).
.\build\keil\Obj\rt-thread.axf: Error: L6218E: Undefined symbol rt_cpu_self (referred from scheduler_up.o).
Not enough information to list image symbols.
Not enough information to list load addresses in the image map.
Finished: 2 information, 0 warning and 8 error messages.
".\build\keil\Obj\rt-thread.axf" - 8 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:00
```