io_uring_submit_and_wait

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 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 .

RETURN VALUE

On success 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)