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32 lines
893 B
32 lines
893 B
.\" Copyright (C) 2022 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_sq_ready "January 25, 2022" "liburing-2.1" "liburing Manual"
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.SH NAME
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io_uring_sq_ready \- number of unconsumed or unsubmitted entries in the SQ ring
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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 "unsigned io_uring_sq_ready(const struct io_uring *" ring ");"
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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_sq_ready (3)
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function retuns the number of unconsumed (if SQPOLL) or unsubmitted entries
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that exist in the SQ ring belonging to the
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.I ring
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param.
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Usage of this function only applies if the ring has been setup with
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.B IORING_SETUP_SQPOLL,
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where request submissions, and hence consumption from the SQ ring, happens
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through a polling thread.
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.SH RETURN VALUE
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Returns the number of unconsumed or unsubmitted entries in the SQ ring.
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.SH SEE ALSO
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.BR io_uring_cq_ready (3)
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