:orphan:

.. title:: CONFIG_EVENTFD

.. kconfig:: CONFIG_EVENTFD

CONFIG_EVENTFD
##############

*Enable support for eventfd*

Type: ``bool``

Help
====

.. code-block:: none

    Enable support for event file descriptors, eventfd. An eventfd can
    be used as an event wait/notify mechanism together with POSIX calls
    like read, write and poll.

Direct dependencies
===================

!\ :kconfig:`ARCH_POSIX <CONFIG_ARCH_POSIX>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

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



At ``<Zephyr Library>/posix/Kconfig:111``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:43`` → ``<Zephyr Library>/Kconfig:12``

Menu path: (Top) → Additional libraries

.. code-block:: kconfig

    config EVENTFD
    	bool "Enable support for eventfd"
    	depends on !ARCH_POSIX
    	help
    	  Enable support for event file descriptors, eventfd. An eventfd can
    	  be used as an event wait/notify mechanism together with POSIX calls
    	  like read, write and poll.

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