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.\" Copyright (C) 2021 Stefan Roesch <shr@fb.com> .\" .\" SPDX-License-Identifier: LGPL-2.0-or-later .\" .TH io_uring_wait_cqe_nr 3 "November 15, 2021" "liburing-2.1" "liburing Manual" .SH NAME io_uring_wait_cqe_nr - wait for one or more io_uring completion events .SH SYNOPSIS .nf .BR "#include <liburing.h>" .PP .BI "int io_uring_wait_cqe_nr(struct io_uring *ring," .BI " struct io_uring_cqe **cqe_ptr," .BI " unsigned wait_nr)" .fi .PP .SH DESCRIPTION .PP The io_uring_wait_cqe_nr() function returns .I wait_nr IO completion events from the queue belonging to the .I ring param, waiting for it if necessary. The .I cqe_ptr param is filled in on success. After the caller has submitted a request with io_uring_submit(), he can retrieve the completion with io_uring_wait_cqe_nr(). .SH RETURN VALUE On success .BR io_uring_wait_cqe_nr (3) returns 0 and the cqe_ptr parm is filled in. On failure it returns -errno. .SH SEE ALSO .BR io_uring_submit (3), io_uring_wait_cqes (3)
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8 entries across 8 versions & 1 rubygems