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doc: kernel: add documentation for queues

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Add missing introduction to queues which are basically FIFOs and in
zephyr are used to implement both FIFO and LIFO objects.

Fixes #35199

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2021-05-21 11:13:38 -04:00
commit ae4fb20f67
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6
doc/reference/kernel/data_passing/queues.rst
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@ -3,6 +3,12 @@
Queues Queues
###### ######
A Queue in Zephyr is a kernel object that implements a traditional queue, allowing
threads and ISRs to add and remove data items of any size. The queue is similar
to a FIFO and serves as the underlying implementation for both :ref:`k_fifo
<fifos_v2>` and :ref:`k_lifo <lifos_v2>`. For more information on usage see
:ref:`k_fifo <fifos_v2>`.
Configuration Options Configuration Options
********************* *********************