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)