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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
22 lines
453 B
C++
22 lines
453 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Devices/PCSpeaker.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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KResultOr<int> Process::sys$beep()
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{
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PCSpeaker::tone_on(440);
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auto result = Thread::current()->sleep(Time::from_nanoseconds(200'000'000));
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PCSpeaker::tone_off();
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if (result.was_interrupted())
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return EINTR;
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return 0;
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}
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}
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