109 lines
2 KiB
C++
109 lines
2 KiB
C++
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/*
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*
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* NOTES:
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*
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* REVISIONS:
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* ane16Dec92: added automatic kick off of timer thread and changed to use
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* threadable class
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* pcy16Jan93: TimerManager is now a second timer, not a msec timer (i hope
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* we dont have to change this back)
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* TSC20May93: Created from os2timmn.cxx
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* TSC28May93: Added defines, see ntthrdbl.cxx for details
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* pcy29May96: Reverted Wait back to Sleep since Peek/Post was using 100% CPU
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* srt21Oct96: Changed Wait to timedWait so thread could be exited faster
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* tjg26Jan98: Added Stop method
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*
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* v-stebe 29Jul2000 Fixed PREfix errors (bug #46373)
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*/
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#include "cdefine.h"
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#include <windows.h>
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#include "apc.h"
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#include "_defs.h"
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#include "err.h"
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#include "list.h"
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#include "timerman.h"
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#include "eventime.h"
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#include "nttimmn.h"
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#include "utils.h"
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#undef GIVEUPCPU
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#define GIVEUPCPU 2000
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/*
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C+
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Name :TimerManager
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Synop :Constructor. INitializes the list.
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*/
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NTTimerManager::NTTimerManager(PMainApplication anApplication)
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: TimerManager(anApplication)
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//c-
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{
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NTTimerLoop *timerLoop = new NTTimerLoop (this);
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theTimerThread = new Thread (timerLoop);
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if (theTimerThread != NULL) {
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theTimerThread->Start();
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}
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}
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/*
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C+
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Name :~TimerManager
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Synop :Destroys the internal list.
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*/
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NTTimerManager::~NTTimerManager()
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//c-
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{
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if (theTimerThread)
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{
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theTimerThread->ExitWait();
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delete theTimerThread;
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theTimerThread = NULL;
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}
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}
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VOID NTTimerManager:: Wait(ULONG aMilliSecondDelay)
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{
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Sleep(aMilliSecondDelay);
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}
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VOID NTTimerManager::Stop()
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{
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if (theTimerThread) {
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theTimerThread->ExitWait();
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delete theTimerThread;
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theTimerThread = NULL;
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}
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}
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NTTimerLoop::NTTimerLoop (PNTTimerManager aMgr) : theManager(aMgr)
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{
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SetThreadName("NT Timer Loop");
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}
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VOID NTTimerLoop::ThreadMain()
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{
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while (ExitNow() == FALSE)
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{
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if (!theManager->ExecuteTimer()) {
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#if (C_OS & C_NT)
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TimedWait(GIVEUPCPU);
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#else
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theManager->Wait(GIVEUPCPU);
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#endif
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}
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}
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DoneExiting();
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}
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