Manpages - io_uring_get_sqe.3
Table of Contents
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)