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27 lines
622 B
C++
27 lines
622 B
C++
// SPDX-License-Identifier: BSD-2-Clause
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// Copyright CM4all GmbH
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// author: Max Kellermann <mk@cm4all.com>
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#include "Close.hxx"
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#include "Queue.hxx"
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#include "io/FileDescriptor.hxx"
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namespace Uring {
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void
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Close(Queue *queue, FileDescriptor fd) noexcept
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{
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if (auto *s = queue != nullptr ? queue->GetSubmitEntry() : nullptr) {
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io_uring_prep_close(s, fd.Get());
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io_uring_sqe_set_data(s, nullptr);
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io_uring_sqe_set_flags(s, IOSQE_CQE_SKIP_SUCCESS);
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queue->Submit();
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} else {
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/* io_uring not available or queue full: fall back to
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the classic close() system call */
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fd.Close();
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}
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}
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} // namespace Uring
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