NAME

       io_uring_submit_and_wait - submit requests to the submission queue and wait for completion

SYNOPSIS

       #include <liburing.h>

       int io_uring_submit_and_wait(struct io_uring *ring,
                                    unsigned wait_nr);

DESCRIPTION

       The  io_uring_submit_and_wait(3)  function  submits  the next requests from the submission
       queue belonging to the ring and waits for wait_nr completion events.

       After the caller retrieves a submission queue entry  (SQE)  with  io_uring_get_sqe(3)  and
       prepares the SQE, it can be submitted with io_uring_submit_and_wait(3).

RETURN VALUE

       On  success  io_uring_submit_and_wait(3)  returns the number of submitted submission queue
       entries. On failure it returns -errno.

SEE ALSO

       io_uring_get_sqe(3), io_uring_submit(3), io_uring_submit_and_wait_timeout(3)