io_uring_submit_and_wait - Man Page

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 events to 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)

Referenced By

io_uring_submit(3), io_uring_submit_and_wait(3), io_uring_submit_and_wait_timeout(3).

November 15, 2021 liburing-2.1 liburing Manual