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If the given protocol supports passing back whether or not we had more pending accept post this one, pass back this information to userspace. This is done by setting IORING_CQE_F_SOCK_NONEMPTY in the CQE flags, just like we do for recv/recvmsg if there's more data available post a receive operation. We can also use this information to be smarter about multishot retry, as we don't need to do a pointless retry if we know for a fact that there aren't any more connections to accept. Suggested-by: Norman Maurer <norman_maurer@apple.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.