43 lines
1.1 KiB
Groff
43 lines
1.1 KiB
Groff
.\" Copyright (C) 2021 Stefan Roesch <shr@fb.com>
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.\"
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.\" SPDX-License-Identifier: LGPL-2.0-or-later
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.\"
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.TH io_uring_cqe_seen 3 "November 15, 2021" "liburing-2.1" "liburing Manual"
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.SH NAME
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io_uring_cqe_seen \- mark io_uring completion event as consumed
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.SH SYNOPSIS
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.nf
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.B #include <liburing.h>
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.PP
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.BI "void io_uring_cqe_seen(struct io_uring *" ring ","
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.BI " struct io_uring_cqe *" cqe ");"
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.fi
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.SH DESCRIPTION
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.PP
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The
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.BR io_uring_cqe_seen (3)
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function marks the IO completion
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.I cqe
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belonging to the
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.I ring
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param as consumed.
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After the caller has submitted a request with
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.BR io_uring_submit (3),
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the application can retrieve the completion with
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.BR io_uring_wait_cqe (3),
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.BR io_uring_peek_cqe (3),
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or any of the other CQE retrieval helpers, and mark it as consumed with
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.BR io_uring_cqe_seen (3).
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Completions must be marked as completed so their slot can get reused.
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.SH RETURN VALUE
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None
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.SH SEE ALSO
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.BR io_uring_submit (3),
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.BR io_uring_wait_cqe (3),
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.BR io_uring_peek_cqe (3),
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.BR io_uring_wait_cqes (3),
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.BR io_uring_wait_cqe_timeout (3),
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.BR io_uring_cqe_seen (3)
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