io_uring_prep_send(3) — Linux manual page


io_uring_prep_send(3)        liburing Manual       io_uring_prep_send(3)

NAME         top

       io_uring_prep_send - prepare a send request

SYNOPSIS         top

       #include <liburing.h>

       void io_uring_prep_send(struct io_uring_sqe *sqe,
                               int sockfd,
                               const void *buf,
                               size_t len,
                               int flags);

DESCRIPTION         top

       The io_uring_prep_send(3) function prepares a send request. The
       submission queue entry sqe is setup to use the file descriptor
       sockfd to start sending the data from buf of size len bytes and
       with modifier flags flags.

       This function prepares an async send(2) request. See that man
       page for details.

RETURN VALUE         top


ERRORS         top

       The CQE res field will contain the result of the operation. See
       the related man page for details on possible values. Note that
       where synchronous system calls will return -1 on failure and set
       errno to the actual error value, io_uring never uses errno.
       Instead it returns the negated errno directly in the CQE res

SEE ALSO         top

       io_uring_get_sqe(3), io_uring_submit(3), send(2)

COLOPHON         top

       This page is part of the liburing (A library for io_uring)
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       this manual page, send it to  This page
       was obtained from the project's upstream Git repository
       ⟨⟩ on 2022-12-17.  (At that
       time, the date of the most recent commit that was found in the
       repository was 2022-12-12.)  If you discover any rendering
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       (which is not part of the original manual page), send a mail to

liburing-2.2                 March 12, 2022        io_uring_prep_send(3)

Pages that refer to this page: io_uring_prep_send(3)io_uring_prep_send_zc(3)