xref: /aosp_15_r20/external/liburing/man/io_uring_sq_ready.3 (revision 25da2bea747f3a93b4c30fd9708b0618ef55a0e6)
Copyright (C) 2022 Stefan Roesch <[email protected]>

SPDX-License-Identifier: LGPL-2.0-or-later

io_uring_sq_ready "January 25, 2022" "liburing-2.1" "liburing Manual"
NAME
io_uring_sq_ready - number of unconsumed or unsubmitted entries in the SQ ring
SYNOPSIS
 #include <liburing.h> 

"unsigned io_uring_sq_ready(const struct io_uring *" ring ");"

DESCRIPTION

The io_uring_sq_ready (3) function retuns the number of unconsumed (if SQPOLL) or unsubmitted entries that exist in the SQ ring belonging to the ring param. Usage of this function only applies if the ring has been setup with IORING_SETUP_SQPOLL, where request submissions, and hence consumption from the SQ ring, happens through a polling thread.

RETURN VALUE
Returns the number of unconsumed or unsubmitted entries in the SQ ring.
SEE ALSO
io_uring_cq_ready (3)