jammy (3) io_uring_get_sqe.3.gz

NAME

       io_uring_get_sqe - get the next vacant event from the submission queue

SYNOPSIS

       #include <liburing.h>

       struct io_uring_sqe *io_uring_get_sqe(struct io_uring *ring);

DESCRIPTION

       The  io_uring_get_sqe()  function  gets  the next vacant event from the submission queue belonging to the
       ring param.

       On success io_uring_get_sqe() returns a pointer to the  submission  queue  event.   On  failure  NULL  is
       returned.

       If  a  submission  queue event is returned, it should be filled out via one of the prep functions such as
       io_uring_prep_read(3) and submitted via io_uring_submit(3).

RETURN VALUE

       io_uring_get_sqe(3) returns a pointer to the next submission queue event on success and NULL on failure.

SEE ALSO

       io_uring_submit(3)