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04e0dc4a7a
Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3 License: MIT
60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
/***
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*slbeep.c - Sleep and beep
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* defines _sleep() and _beep()
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*
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*******************************************************************************/
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#include <corecrt_internal.h>
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#include <stdlib.h>
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/***
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*void _sleep(duration) - Length of sleep
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*
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*Purpose:
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*
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*Entry:
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* unsigned long duration - length of sleep in milliseconds or
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* one of the following special values:
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*
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* _SLEEP_MINIMUM - Sends a yield message without any delay
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* _SLEEP_FOREVER - Never return
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*
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*Exit:
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* None
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" void __cdecl _sleep(unsigned long duration)
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{
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if (duration == 0)
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++duration;
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Sleep(duration);
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}
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/***
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*void _beep(frequency, duration) - Length of sleep
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*
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*Purpose:
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*
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*Entry:
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* unsigned frequency - frequency in hertz
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* unsigned duration - length of beep in milliseconds
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*
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*Exit:
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* None
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" void __cdecl _beep(unsigned const frequency, unsigned const duration)
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{
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Beep(frequency, duration);
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}
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