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doc: threads: Clarify ready/running states

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Updates the threads documentation to clarify the distinction between
ready and running states.

Fixes 44255

Signed-off-by: Peter Mitsis <peter.mitsis@intel.com>
This commit is contained in:
Peter Mitsis 2022-04-05 15:14:58 -04:00 • committed by Anas Nashif
commit 111865a8c5
1 changed files with 6 additions and 1 deletions
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7
doc/kernel/services/threads/index.rst
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@ -156,10 +156,15 @@ The following factors make a thread unready:
* The thread has been suspended. * The thread has been suspended.
* The thread has terminated or aborted. * The thread has terminated or aborted.
.. image:: thread_states.svg .. image:: thread_states.svg
:align: center :align: center
.. note::
Although the diagram above may appear to suggest that both **Ready** and
**Running** are distinct thread states, that is not the correct
interpretation. **Ready** is a thread state, and **Running** is a
schedule state that only applies to **Ready** threads.
Thread Stack objects Thread Stack objects
******************** ********************