1.. _module-pw_async2-backends: 2 3======== 4Backends 5======== 6The :ref:`pw_async2 interface <module-pw_async2-reference>` must be fulfilled 7by a concrete implementation. You can use one of the Pigweed-provided backends 8listed below or roll your own. If you roll your own, please consider 9:ref:`contributing <docs-get-started-upstream>` it to upstream Pigweed! 10 11.. _epoll: https://man7.org/linux/man-pages/man7/epoll.7.html 12 13* :ref:`module-pw_async2_basic`. A backend that uses a thread-notification-based 14 :cpp:class:`pw::async2::Dispatcher`. 15* :ref:`module-pw_async2_epoll`. A backend that uses a :cpp:class:`pw::async2::Dispatcher` 16 backed by Linux's `epoll`_ notification system. 17 18.. toctree:: 19 :maxdepth: 1 20 :hidden: 21 22 Basic <../pw_async2_basic/docs> 23 Linux epoll <../pw_async2_epoll/docs> 24