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/***
*slbeep.c - Sleep and beep
*
* Copyright (c) 1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines _sleep() and _beep()
*
*Revision History:
* 08-22-91 BWM Wrote module.
*
*******************************************************************************/
#include <cruntime.h>
#include <oscalls.h>
#include <stdlib.h>
/***
*void _sleep(duration) - Length of sleep
*
*Purpose:
*
*Entry:
* unsigned long duration - length of sleep in milliseconds or
* one of the following special values:
*
* _SLEEP_MINIMUM - Sends a yield message without any delay
* _SLEEP_FOREVER - Never return
*
*Exit:
* None
*
*Exceptions:
*
*******************************************************************************/
void _CALLTYPE1 _sleep(unsigned long dwDuration)
{
#ifdef _CRUISER_
if (dwDuration == _SLEEP_FOREVER) {
while(1) {
DOSSLEEP(dwDuration);
}
}
else {
DOSSLEEP(dwDuration);
}
#else /* ndef _CRUISER_ */
#ifdef _WIN32_
if (dwDuration == 0) {
dwDuration++;
}
Sleep(dwDuration);
#else /* ndef _WIN32_ */
#error ERROR - ONLY CRUISER OR WIN32 TARGET SUPPORTED!
#endif /* _WIN32_ */
#endif /* _CRUISER_ */
}
/***
*void _beep(frequency, duration) - Length of sleep
*
*Purpose:
*
*Entry:
* unsigned frequency - frequency in hertz
* unsigned duration - length of beep in milliseconds
*
*Exit:
* None
*
*Exceptions:
*
*******************************************************************************/
void _CALLTYPE1 _beep(unsigned dwFrequency, unsigned dwDuration)
{
#ifdef _CRUISER_
DOSBEEP(dwFrequency, dwDuration);
#else /* ndef _CRUISER_ */
#ifdef _WIN32_
Beep(dwFrequency, dwDuration);
#else /* ndef _WIN32_ */
#error ERROR - ONLY CRUISER OR WIN32 TARGET SUPPORTED!
#endif /* _WIN32_ */
#endif /* _CRUISER_ */
}
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