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.\" Copyright (C) 2021 Stefan Roesch <shr@fb.com> .\" .\" SPDX-License-Identifier: LGPL-2.0-or-later .\" .TH io_uring_wait_cqes 3 "November 15, 2021" "liburing-2.1" "liburing Manual" .SH NAME io_uring_wait_cqes - wait for one or more io_uring completion events .SH SYNOPSIS .nf .BR "#include <liburing.h>" .PP .BI "int io_uring_wait_cqes(struct io_uring *ring," .BI " struct io_uring_cqe **cqe_ptr," .BI " unsigned wait_nr," .BI " struct __kernel_timespec *ts," .BI " sigset_t *sigmask) .fi .PP .SH DESCRIPTION .PP The io_uring_wait_cqes() function returns .I wait_nr IO completions from the queue belonging to the .I ring param, waiting for it if necessary or until the timeout .I ts expires. The .I sigmask specifies the set of signals to block. The prevailing signal mask is restored before returning. The .I cqe_ptr param is filled in on success. If .I ts is specified, the application does not need to call io_uring_submit (3) before calling io_uring_wait_cqes (3). .SH RETURN VALUE On success .BR io_uring_wait_cqes (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_cqe_timeout (3), io_uring_wait_cqe(3).
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8 entries across 8 versions & 1 rubygems