zephyr

History

Anas Nashif 9ab2a56751 cleanup: include/: move misc/printk.h to sys/printk.h move misc/printk.h to sys/printk.h and create a shim for backward-compatibility. No functional changes to the headers. A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES. Related to #16539 Signed-off-by: Anas Nashif <anas.nashif@intel.com>		2019-06-27 22:55:49 -04:00
..
src	cleanup: include/: move misc/printk.h to sys/printk.h	2019-06-27 22:55:49 -04:00
CMakeLists.txt	license: cleanup: add SPDX Apache-2.0 license identifier	2019-04-07 08:45:22 -04:00
README.rst	samples: synchronization: remove unused conf	2018-09-27 08:58:55 +05:30
prj.conf	samples: synchronisation: set thread names	2018-09-27 08:58:55 +05:30
sample.yaml	arch/x86_64: New architecture added	2019-01-11 15:18:52 -05:00

README.rst

.. _synchronization_sample:

Synchronization Sample
######################

Overview
********

A simple application that demonstrates basic sanity of the kernel.
Two threads (A and B) take turns printing a greeting message to the console,
and use sleep requests and semaphores to control the rate at which messages
are generated. This demonstrates that kernel scheduling, communication,
and timing are operating correctly.

Building and Running
********************

This project outputs to the console.  It can be built and executed
on QEMU as follows:

.. zephyr-app-commands::
   :zephyr-app: samples/synchronization
   :host-os: unix
   :board: qemu_x86
   :goals: run
   :compact:

Sample Output
=============

.. code-block:: console

   threadA: Hello World!
   threadB: Hello World!
   threadA: Hello World!
   threadB: Hello World!
   threadA: Hello World!
   threadB: Hello World!
   threadA: Hello World!
   threadB: Hello World!
   threadA: Hello World!
   threadB: Hello World!

   <repeats endlessly>