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129 lines
2.5 KiB
129 lines
2.5 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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tpstimer.cpp
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Abstract:
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Contains Win32 thread pool services timer functions
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Contents:
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TerminateTimers
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SHCreateTimerQueue
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(IECreateTimerQueue)
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SHDeleteTimerQueue
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(IEDeleteTimerQueue)
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SHSetTimerQueueTimer
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(IESetTimerQueueTimer)
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(NTSetTimerQueueTimer)
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SHChangeTimerQueueTimer
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(IEChangeTimerQueueTimer)
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SHCancelTimerQueueTimer
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(IECancelTimerQueueTimer)
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(NTCancelTimerQueueTimer)
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(InitializeTimerThread)
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(TimerCleanup)
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(CreateDefaultTimerQueue)
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(DeleteDefaultTimerQueue)
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(CleanupDefaultTimerQueue)
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(TimerThread)
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(AddTimer)
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(ChangeTimer)
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(CancelTimer)
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Author:
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Richard L Firth (rfirth) 10-Feb-1998
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Environment:
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Win32 user-mode
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Notes:
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Code reworked in C++ from NT-specific C code written by Gurdeep Singh Pall
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(gurdeep)
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Revision History:
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10-Feb-1998 rfirth
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Created
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--*/
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#include "priv.h"
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#include "threads.h"
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#include "tpsclass.h"
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//
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// functions
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//
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LWSTDAPI_(HANDLE)
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SHCreateTimerQueue(
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VOID
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)
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{
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return CreateTimerQueue();
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}
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LWSTDAPI_(BOOL)
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SHDeleteTimerQueue(
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IN HANDLE hQueue
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)
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{
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return DeleteTimerQueue(hQueue);
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}
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LWSTDAPI_(BOOL)
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SHChangeTimerQueueTimer(
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IN HANDLE hQueue,
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IN HANDLE hTimer,
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IN DWORD dwDueTime,
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IN DWORD dwPeriod
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)
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{
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return ChangeTimerQueueTimer(hQueue, hTimer, dwDueTime, dwPeriod);
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}
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LWSTDAPI_(BOOL)
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SHCancelTimerQueueTimer(
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IN HANDLE hQueue,
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IN HANDLE hTimer
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)
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{
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return DeleteTimerQueueTimer(hQueue, hTimer, INVALID_HANDLE_VALUE);
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}
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// these we do alittle wrapping on.
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LWSTDAPI_(HANDLE)
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SHSetTimerQueueTimer(
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IN HANDLE hQueue,
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IN WAITORTIMERCALLBACKFUNC pfnCallback,
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IN LPVOID pContext,
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IN DWORD dwDueTime,
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IN DWORD dwPeriod,
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IN LPCSTR lpszLibrary OPTIONAL,
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IN DWORD dwFlags
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)
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{
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//
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// Translate the flags from TPS flags to WT flags.
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//
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DWORD dwWTFlags = 0;
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if (dwFlags & TPS_EXECUTEIO) dwWTFlags |= WT_EXECUTEINIOTHREAD;
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if (dwFlags & TPS_LONGEXECTIME) dwWTFlags |= WT_EXECUTELONGFUNCTION;
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HANDLE hTimer;
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if (CreateTimerQueueTimer(&hTimer, hQueue, pfnCallback, pContext, dwDueTime, dwPeriod, dwWTFlags))
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{
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return hTimer;
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}
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return NULL;
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}
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