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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | COLOPHON |
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io_uring_sqe_set_data(3) liburing Manual io_uring_sqe_set_data(3)
io_uring_sqe_set_data - set user data for submission queue event
#include <liburing.h>
void io_uring_sqe_set_data(struct io_uring_sqe *sqe,
void *user_data);
void io_uring_sqe_set_data64(struct io_uring_sqe *sqe,
__u64 data);
The io_uring_sqe_set_data(3) function stores a user_data pointer
with the submission queue entry sqe.
The io_uring_sqe_set_data64(3) function stores a 64-bit data
value with the submission queue entry sqe.
After the caller has requested a submission queue entry (SQE)
with io_uring_get_sqe(3), they can associate a data pointer or
value with the SQE. Once the completion arrives, the function
io_uring_cqe_get_data(3) or io_uring_cqe_get_data64(3) can be
called to retrieve the data pointer or value associated with the
submitted request.
None
io_uring_get_sqe(3), io_uring_cqe_get_data(3)
This page is part of the liburing (A library for io_uring)
project. Information about the project can be found at
⟨https://github.com/axboe/liburing⟩. If you have a bug report for
this manual page, send it to io-uring@vger.kernel.org. This page
was obtained from the project's upstream Git repository
⟨https://github.com/axboe/liburing⟩ on 2023-12-22. (At that
time, the date of the most recent commit that was found in the
repository was 2023-12-19.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
liburing-2.1 November 15, 2021 io_uring_sqe_set_data(3)
Pages that refer to this page: io_uring_cqe_get_data(3), io_uring_cqe_get_data64(3), io_uring_get_sqe(3), io_uring_sqe_set_data(3), io_uring_sqe_set_data64(3)
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HTML rendering created 2023-12-22 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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