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Jakub Rzeszutko b0a0febe58 shell: fix unsafe API calls and add configurable autoflush behavior
Fixes an issue where the shell API could block indefinitely when called
from threads other than the shell's processing thread, especially when
the transport (e.g. USB CDC ACM) was unavailable or inactive.

Replaced `k_mutex_lock` calls with an indefinite timeout (`K_FOREVER`)
by using a fixed timeout (`K_MSEC(SHELL_TX_MTX_TIMEOUT_MS)`) in shell
API functions to prevent indefinite blocking.

Link: https://github.com/zephyrproject-rtos/zephyr/issues/84274

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@verkada.com>
2025-01-23 13:45:20 +01:00
.github ci: twister: rename weekly twister job 2025-01-17 23:08:26 +01:00
arch arch: Changes MPU alignment to 128 when FPU_SHARING and MPU_STACK_GUARD 2025-01-22 10:48:02 +01:00
boards dts: ambiq: move compatible fields from board dts to dtsi 2025-01-23 05:23:54 +01:00
cmake linker: iterable_section: Allow numeric sorting up to 5 numeric characters 2025-01-22 10:40:45 +01:00
doc doc: release: Add notes for Bluetooth ECDH changes 2025-01-23 10:14:46 +01:00
drivers drivers: serial: nrfx_uarte: move DEPRECATED_UART_NRFX_UARTE_LEGACY_SHIM 2025-01-23 08:26:33 +01:00
dts dts: ambiq: move compatible fields from board dts to dtsi 2025-01-23 05:23:54 +01:00
include/zephyr shell: add Kconfig option for configurable autoflush behavior 2025-01-23 13:45:20 +01:00
kernel kernel/pipe: squash compiler warning 2025-01-22 05:39:01 +01:00
lib net: buf: revert disallowing blocking in syswq 2025-01-23 10:14:59 +01:00
misc
modules modules: hal_nordic: Support new CRACEN CTR DRBG driver 2025-01-22 18:32:35 +01:00
samples Bluetooth: Host: Remove HCI ECC emulation 2025-01-23 10:14:46 +01:00
scripts edtlib: add "hash" attribute to nodes 2025-01-22 15:49:10 +01:00
share sysbuild: Fix Kconfig symbol SIGNATURE_TYPE 2025-01-17 16:35:53 +01:00
snippets snippets: wifi-ipv4: Increase max polling sockets 2025-01-03 11:39:13 +01:00
soc drivers: serial: nrfx_uarte: move DEPRECATED_UART_NRFX_UARTE_LEGACY_SHIM 2025-01-23 08:26:33 +01:00
submanifests modules: nanopb: Move pip dependencies to optional module 2024-12-19 15:20:11 +01:00
subsys shell: fix unsafe API calls and add configurable autoflush behavior 2025-01-23 13:45:20 +01:00
tests Bluetooth: Host: Remove HCI ECC emulation 2025-01-23 10:14:46 +01:00
.checkpatch.conf checkpatch: Adapt the braces check to Zephyr 2024-12-30 21:46:47 +01:00
.clang-format clang-format: add more whitespace sensitive macros 2024-12-19 08:39:10 +01:00
.codechecker.yml tests: Add a CodeChecker config file 2024-09-12 10:04:05 +02:00
.codecov.yml
.editorconfig
.gitattributes
.gitignore scripts: ci: check_compliance: Add sysbuild Kconfig checks 2025-01-17 16:35:53 +01:00
.gitlint gitlint: do not allow treewide as an area in commit messages 2024-04-10 09:22:24 +02:00
.mailmap mailmap: remove duplicate emails and normalize mapping entries 2025-01-09 14:14:10 +01:00
.ruff-excludes.toml style: edtlib: Use a better format string 2025-01-10 18:57:39 +01:00
.ruff.toml scripts: Update and lock ruff 2024-12-03 23:30:00 +00:00
.yamllint
CMakeLists.txt cmake: Configure custom linker script Kconfig before usage 2025-01-10 09:50:19 +01:00
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
Kconfig
Kconfig.constants kconfig: Add variables for integer constants 2024-07-27 20:49:15 +03:00
Kconfig.zephyr kconfig: Don't USE_DT_CODE_PARTITION if there isn't one 2025-01-17 13:41:08 +01:00
LICENSE
MAINTAINERS.yml MAINTAINERS: add the Antmicro platforms area 2025-01-20 20:55:37 +01:00
README.rst README: drop the stray link underscores between badges 2024-09-26 15:20:39 +01:00
SDK_VERSION SDK_VERSION: Use Zephyr SDK 0.17.0 2024-10-22 19:04:37 -04:00
VERSION release: Zephyr v4.0.99 2024-11-16 13:40:34 +01:00
version.h.in version.h.in: Do not use @template@ 2024-05-24 18:05:41 -04:00
west.yml manifest: Update nRF hw models to latest enabling cracen HAL 2025-01-23 10:15:11 +01:00
zephyr-env.cmd
zephyr-env.sh

.. raw:: html

   <a href="https://www.zephyrproject.org">
     <p align="center">
       <picture>
         <source media="(prefers-color-scheme: dark)" srcset="doc/_static/images/logo-readme-dark.svg">
         <source media="(prefers-color-scheme: light)" srcset="doc/_static/images/logo-readme-light.svg">
         <img src="doc/_static/images/logo-readme-light.svg">
       </picture>
     </p>
   </a>

   <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a>
   <a href="https://scorecard.dev/viewer/?uri=github.com/zephyrproject-rtos/zephyr"><img src="https://api.securityscorecards.dev/projects/github.com/zephyrproject-rtos/zephyr/badge"></a>
   <a href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain"><img src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a>


The Zephyr Project is a scalable real-time operating system (RTOS) supporting
multiple hardware architectures, optimized for resource constrained devices,
and built with security in mind.

The Zephyr OS is based on a small-footprint kernel designed for use on
resource-constrained systems: from simple embedded environmental sensors and
LED wearables to sophisticated smart watches and IoT wireless gateways.

The Zephyr kernel supports multiple architectures, including ARM (Cortex-A,
Cortex-R, Cortex-M), Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V,
SPARC, MIPS, and a large number of `supported boards`_.

.. below included in doc/introduction/introduction.rst


Getting Started
***************

Welcome to Zephyr! See the `Introduction to Zephyr`_ for a high-level overview,
and the documentation's `Getting Started Guide`_ to start developing.

.. start_include_here

Community Support
*****************

Community support is provided via mailing lists and Discord; see the Resources
below for details.

.. _project-resources:

Resources
*********

Here's a quick summary of resources to help you find your way around:

Getting Started
---------------

  | 📖 `Zephyr Documentation`_
  | 🚀 `Getting Started Guide`_
  | 🙋🏽 `Tips when asking for help`_
  | 💻 `Code samples`_

Code and Development
--------------------

  | 🌐 `Source Code Repository`_
  | 📦 `Releases`_
  | 🤝 `Contribution Guide`_

Community and Support
---------------------

  | 💬 `Discord Server`_ for real-time community discussions
  | 📧 `User mailing list (users@lists.zephyrproject.org)`_
  | 📧 `Developer mailing list (devel@lists.zephyrproject.org)`_
  | 📬 `Other project mailing lists`_
  | 📚 `Project Wiki`_

Issue Tracking and Security
---------------------------

  | 🐛 `GitHub Issues`_
  | 🔒 `Security documentation`_
  | 🛡️ `Security Advisories Repository`_
  | ⚠️ Report security vulnerabilities at vulnerabilities@zephyrproject.org

Additional Resources
--------------------
  | 🌐 `Zephyr Project Website`_
  | 📺 `Zephyr Tech Talks`_

.. _Zephyr Project Website: https://www.zephyrproject.org
.. _Discord Server: https://chat.zephyrproject.org
.. _supported boards: https://docs.zephyrproject.org/latest/boards/index.html
.. _Zephyr Documentation: https://docs.zephyrproject.org
.. _Introduction to Zephyr: https://docs.zephyrproject.org/latest/introduction/index.html
.. _Getting Started Guide: https://docs.zephyrproject.org/latest/develop/getting_started/index.html
.. _Contribution Guide: https://docs.zephyrproject.org/latest/contribute/index.html
.. _Source Code Repository: https://github.com/zephyrproject-rtos/zephyr
.. _GitHub Issues: https://github.com/zephyrproject-rtos/zephyr/issues
.. _Releases: https://github.com/zephyrproject-rtos/zephyr/releases
.. _Project Wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
.. _User mailing list (users@lists.zephyrproject.org): https://lists.zephyrproject.org/g/users
.. _Developer mailing list (devel@lists.zephyrproject.org): https://lists.zephyrproject.org/g/devel
.. _Other project mailing lists: https://lists.zephyrproject.org/g/main/subgroups
.. _Code samples: https://docs.zephyrproject.org/latest/samples/index.html
.. _Security documentation: https://docs.zephyrproject.org/latest/security/index.html
.. _Security Advisories Repository: https://github.com/zephyrproject-rtos/zephyr/security
.. _Tips when asking for help: https://docs.zephyrproject.org/latest/develop/getting_started/index.html#asking-for-help
.. _Zephyr Tech Talks: https://www.zephyrproject.org/tech-talks