| .\" Copyright (C) 2021 Stefan Roesch <shr@fb.com> |
| .\" |
| .\" SPDX-License-Identifier: LGPL-2.0-or-later |
| .\" |
| .TH io_uring_sqe_set_data 3 "November 15, 2021" "liburing-2.1" "liburing Manual" |
| .SH NAME |
| io_uring_sqe_set_data - set user data for submission queue event |
| .SH SYNOPSIS |
| .nf |
| .BR "#include <liburing.h>" |
| .PP |
| .BI "void io_uring_sqe_set_data(struct io_uring_sqe *" sqe "," |
| .BI " void *" user_data ");" |
| .fi |
| .PP |
| .SH DESCRIPTION |
| .PP |
| The io_uring_sqe_set_data() function stores a |
| .I user_data |
| pointer with the submission queue entry |
| .I sqe. |
| |
| After the caller has requested an submission queue entry (SQE) with io_uring_get_sqe(), |
| he can associate a data pointer with the SQE. Once the completion arrives, the |
| function io_uring_cqe_get_data() can be called to identify the user request. |
| |
| .SH RETURN VALUE |
| None |
| .SH SEE ALSO |
| .BR io_uring_get_sqe (3), io_uring_cqe_get_data (3) |
