:orphan:

.. title:: CONFIG_ERRNO

.. kconfig:: CONFIG_ERRNO

CONFIG_ERRNO
############

*Enable errno support*

Type: ``bool``

Help
====

.. code-block:: none

    Enable per-thread errno in the kernel. Application and library code must
    include errno.h provided by the C library (libc) to use the errno
    symbol. The C library must access the per-thread errno via the
    z_errno() symbol.

Default
=======

- y

Symbols that select this symbol
===============================

- \ :kconfig:`SIMPLELINK_HOST_DRIVER <CONFIG_SIMPLELINK_HOST_DRIVER>`

Kconfig definition
==================



At ``<Zephyr Kernel>/Kconfig:190``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:40``

Menu path: (Top) → General Kernel Options

.. code-block:: kconfig

    config ERRNO
    	bool "Enable errno support"
    	default y
    	help
    	  Enable per-thread errno in the kernel. Application and library code must
    	  include errno.h provided by the C library (libc) to use the errno
    	  symbol. The C library must access the per-thread errno via the
    	  z_errno() symbol.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*