74 lines
1 KiB
C++
74 lines
1 KiB
C++
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/*++
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Copyright (c) 1994 Microsoft Corporation
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All rights reserved.
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Module Name:
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SleepN.hxx
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Abstract:
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Handles delayed callbacks. Delay must be < 49.7 days, and the
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callback must execute very quickly.
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Author:
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Albert Ting (AlbertT) 19-Dec-1994
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Revision History:
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--*/
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#ifndef _SLEEPN_HXX
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#define _SLEEPN_HXX
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typedef DWORD TICKCOUNT;
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class TSleepNotify;
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class VSleepWorker {
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friend TSleepNotify;
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SIGNATURE( 'slpw' )
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private:
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DLINK( VSleepWorker, SleepWorker );
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TICKCOUNT TickCountWake;
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virtual VOID vCallback( VOID ) = 0;
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};
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class TSleepNotify {
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SIGNATURE( 'slpn' )
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SAFE_NEW
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private:
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enum {
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kTickCountMargin = 1000*60*60,
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};
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MCritSec _CritSec;
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HANDLE _hEvent;
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DLINK_BASE( VSleepWorker, SleepWorker, SleepWorker );
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public:
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TSleepNotify( VOID );
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BOOL
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bValid(
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VOID
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) const
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{
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return _hEvent != NULL;
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}
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VOID vRun( VOID );
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VOID vAdd( VSleepWorker& SleepWorker, TICKCOUNT TickCountWake );
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};
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#endif // ndef _SLEEPN_HXX
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