io_uring_cq_eventfd_enabled(3) — Linux manual page

io_uring_c...tfd_enabled(3)  liburing Manual  io_uring_c...tfd_enabled(3)

NAME         top

       io_uring_cq_eventfd_enabled - check if eventfd notifications are
       enabled

SYNOPSIS         top

       #include <liburing.h>

       bool io_uring_cq_eventfd_enabled(const struct io_uring *ring);

DESCRIPTION         top

       The io_uring_cq_eventfd_enabled(3) function returns whether
       eventfd notifications are currently enabled for the io_uring
       instance specified by ring.

       An eventfd can be registered with a ring using
       io_uring_register_eventfd(3) or
       io_uring_register_eventfd_async(3).  Once registered,
       notifications can be temporarily disabled using
       io_uring_cq_eventfd_toggle(3).

RETURN VALUE         top

       Returns true if eventfd notifications are enabled, or false if
       disabled.

SEE ALSO         top

       io_uring_register_eventfd(3), io_uring_register_eventfd_async(3),
       io_uring_cq_eventfd_toggle(3)

COLOPHON         top

       This page is part of the liburing (A library for io_uring)
       project.  Information about the project can be found at 
       ⟨https://github.com/axboe/liburing⟩.  If you have a bug report for
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liburing-2.4                 January 18, 2025 io_uring_c...tfd_enabled(3)

Pages that refer to this page: io_uring_cq_eventfd_enabled(3),  io_uring_cq_eventfd_toggle(3)

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