[riot-notifications] [RIOT-OS/RIOT] core/thread.c: thread_create fix priority type (#12203)

Julian Holzwarth notifications at github.com
Wed Sep 11 18:20:48 CEST 2019


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### Contribution description
The priority type in `thread_create` is now consistent with the `struct _thread `.
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### Testing procedure
Create a thread with a priority of -1:
```
main(): This is RIOT! (Version: 2019.10-devel-445-g1d16b-pr/core/thread/hotfix_prio_type)
	pid | name                 | state    Q | pri | stack  ( used) | base addr  | current     
	  - | isr_stack            | -        - |   - |   8192 (   -1) | 0x565a9400 | 0x565a9400
	  1 | idle                 | pending  Q |  15 |   8192 (  420) | 0x565a7120 | 0x565a8f90 
	  2 | main                 | running  Q |   7 |  12288 ( 2556) | 0x565a4120 | 0x565a6f90 
	  3 | nr2                  | sleeping _ | 255 |  12288 (  420) | 0x565a1120 | 0x565a3f90 
	    | SUM 
```
After fix it it returns `-EINVAL` and does not create a thread.
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### Issues/PRs references

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You can view, comment on, or merge this pull request online at:

  https://github.com/RIOT-OS/RIOT/pull/12203

-- Commit Summary --

  * core/thread.c: thread_create fix priority type

-- File Changes --

    M core/include/thread.h (2)
    M core/thread.c (2)

-- Patch Links --

https://github.com/RIOT-OS/RIOT/pull/12203.patch
https://github.com/RIOT-OS/RIOT/pull/12203.diff

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