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git://source.winehq.org/git/wine.git
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372 lines
10 KiB
C
372 lines
10 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* MMSYTEM time functions
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*
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* Copyright 1993 Martin Ayotte
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "windows.h"
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#include "win.h"
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#include "ldt.h"
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#include "module.h"
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#include "callback.h"
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#include "user.h"
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#include "driver.h"
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#include "mmsystem.h"
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#include "debug.h"
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#include "xmalloc.h"
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#include "options.h"
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#define USE_FAKE_MM_TIMERS
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static MMTIME16 mmSysTimeMS;
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static MMTIME16 mmSysTimeSMPTE;
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typedef struct tagTIMERENTRY {
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UINT32 wDelay;
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UINT32 wResol;
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FARPROC16 lpFunc;
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HINSTANCE32 hInstance;
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DWORD dwUser;
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UINT32 wFlags;
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UINT32 wTimerID;
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UINT32 wCurTime;
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UINT32 isWin32;
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struct tagTIMERENTRY* Next;
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} TIMERENTRY, *LPTIMERENTRY;
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static LPTIMERENTRY lpTimerList = NULL;
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#ifdef USE_FAKE_MM_TIMERS
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static DWORD dwLastCBTick = 0;
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static BOOL32 bUseFakeTimers = FALSE;
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static WORD wInCallBackLoop = 0;
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#endif
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/*
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* FIXME
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* We're using "1" as the mininum resolution to the timer,
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* as Windows 95 does, according to the docs. Maybe it should
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* depend on the computers resources!
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*/
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#define MMSYSTIME_MININTERVAL (1)
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#define MMSYSTIME_MAXINTERVAL (65535)
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static void TIME_TriggerCallBack(LPTIMERENTRY lpTimer, DWORD dwCurrent)
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{
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lpTimer->wCurTime = lpTimer->wDelay;
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if (lpTimer->lpFunc != (FARPROC16) NULL) {
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TRACE(mmtime, "before CallBack16 (%lu)!\n", dwCurrent);
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TRACE(mmtime, "lpFunc=%p wTimerID=%04X dwUser=%08lX !\n",
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lpTimer->lpFunc, lpTimer->wTimerID, lpTimer->dwUser);
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TRACE(mmtime, "hInstance=%04X !\n", lpTimer->hInstance);
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/* - TimeProc callback that is called here is something strange, under Windows 3.1x it is called
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* during interrupt time, is allowed to execute very limited number of API calls (like
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* PostMessage), and must reside in DLL (therefore uses stack of active application). So I
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* guess current implementation via SetTimer has to be improved upon.
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*/
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switch (lpTimer->wFlags & 0x30) {
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case TIME_CALLBACK_FUNCTION:
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if (lpTimer->isWin32)
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lpTimer->lpFunc(lpTimer->wTimerID,0,lpTimer->dwUser,0,0);
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else
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Callbacks->CallTimeFuncProc(lpTimer->lpFunc,
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lpTimer->wTimerID,0,
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lpTimer->dwUser,0,0);
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break;
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case TIME_CALLBACK_EVENT_SET:
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SetEvent((HANDLE32)lpTimer->lpFunc);
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break;
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case TIME_CALLBACK_EVENT_PULSE:
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PulseEvent((HANDLE32)lpTimer->lpFunc);
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break;
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default:
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FIXME(mmtime,"Unknown callback type 0x%04x for mmtime callback (%p),ignored.\n",lpTimer->wFlags,lpTimer->lpFunc);
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break;
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}
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TRACE(mmtime, "after CallBack16 !\n");
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}
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if (lpTimer->wFlags & TIME_ONESHOT)
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timeKillEvent32(lpTimer->wTimerID);
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}
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/**************************************************************************
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* TIME_MMSysTimeCallback
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*/
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static VOID WINAPI TIME_MMSysTimeCallback( HWND32 hwnd, UINT32 msg,
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UINT32 id, DWORD dwTime )
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{
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LPTIMERENTRY lpTimer;
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mmSysTimeMS.u.ms += MMSYSTIME_MININTERVAL;
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mmSysTimeSMPTE.u.smpte.frame++;
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#ifdef USE_FAKE_MM_TIMERS
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if (bUseFakeTimers)
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dwLastCBTick = GetTickCount();
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if (!wInCallBackLoop++)
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#endif
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for (lpTimer = lpTimerList; lpTimer != NULL; lpTimer = lpTimer->Next) {
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if (lpTimer->wCurTime < MMSYSTIME_MININTERVAL) {
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TIME_TriggerCallBack(lpTimer, dwTime);
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} else {
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lpTimer->wCurTime -= MMSYSTIME_MININTERVAL;
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}
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}
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#ifdef USE_FAKE_MM_TIMERS
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wInCallBackLoop--;
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#endif
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}
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/**************************************************************************
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* StartMMTime [internal]
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*/
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static void StartMMTime()
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{
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static BOOL32 mmTimeStarted = FALSE;
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if (!mmTimeStarted) {
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mmTimeStarted = TRUE;
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mmSysTimeMS.wType = TIME_MS;
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mmSysTimeMS.u.ms = 0;
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mmSysTimeSMPTE.wType = TIME_SMPTE;
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mmSysTimeSMPTE.u.smpte.hour = 0;
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mmSysTimeSMPTE.u.smpte.min = 0;
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mmSysTimeSMPTE.u.smpte.sec = 0;
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mmSysTimeSMPTE.u.smpte.frame = 0;
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mmSysTimeSMPTE.u.smpte.fps = 0;
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mmSysTimeSMPTE.u.smpte.dummy = 0;
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SetTimer32( 0, 0, MMSYSTIME_MININTERVAL, TIME_MMSysTimeCallback );
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#ifdef USE_FAKE_MM_TIMERS
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bUseFakeTimers = PROFILE_GetWineIniBool("options", "MMFakeTimers", TRUE);
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TRACE(mmtime, "FakeTimer=%c\n", bUseFakeTimers ? 'Y' : 'N');
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if (bUseFakeTimers)
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dwLastCBTick = GetTickCount();
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#endif
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}
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}
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/**************************************************************************
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* timeGetSystemTime [WINMM.140]
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*/
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MMRESULT32 WINAPI timeGetSystemTime32(LPMMTIME32 lpTime, UINT32 wSize)
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{
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TRACE(mmsys, "(%p, %u);\n", lpTime, wSize);
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StartMMTime();
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lpTime->wType = TIME_MS;
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lpTime->u.ms = mmSysTimeMS.u.ms;
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return 0;
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}
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/**************************************************************************
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* timeGetSystemTime [MMSYSTEM.601]
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*/
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MMRESULT16 WINAPI timeGetSystemTime16(LPMMTIME16 lpTime, UINT16 wSize)
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{
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TRACE(mmsys, "(%p, %u);\n", lpTime, wSize);
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StartMMTime();
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lpTime->wType = TIME_MS;
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lpTime->u.ms = mmSysTimeMS.u.ms;
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return 0;
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}
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static WORD timeSetEventInternal(UINT32 wDelay,UINT32 wResol,
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FARPROC16 lpFunc,DWORD dwUser,
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UINT32 wFlags, UINT16 isWin32)
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{
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WORD wNewID = 0;
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LPTIMERENTRY lpNewTimer;
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LPTIMERENTRY lpTimer = lpTimerList;
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TRACE(mmtime, "(%u, %u, %p, %08lX, %04X);\n",
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wDelay, wResol, lpFunc, dwUser, wFlags);
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StartMMTime();
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lpNewTimer = (LPTIMERENTRY)xmalloc(sizeof(TIMERENTRY));
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if (lpNewTimer == NULL)
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return 0;
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while (lpTimer != NULL) {
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wNewID = MAX(wNewID, lpTimer->wTimerID);
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lpTimer = lpTimer->Next;
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}
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lpNewTimer->Next = lpTimerList;
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lpTimerList = lpNewTimer;
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lpNewTimer->wTimerID = wNewID + 1;
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lpNewTimer->wCurTime = wDelay;
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lpNewTimer->wDelay = wDelay;
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lpNewTimer->wResol = wResol;
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lpNewTimer->lpFunc = lpFunc;
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lpNewTimer->isWin32 = isWin32;
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lpNewTimer->hInstance = GetTaskDS();
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TRACE(mmtime, "hInstance=%04X !\n", lpNewTimer->hInstance);
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TRACE(mmtime, "lpFunc=%p !\n", isWin32 ? lpFunc : PTR_SEG_TO_LIN(lpFunc));
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lpNewTimer->dwUser = dwUser;
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lpNewTimer->wFlags = wFlags;
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return lpNewTimer->wTimerID;
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}
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/**************************************************************************
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* timeSetEvent [MMSYSTEM.602]
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*/
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MMRESULT32 WINAPI timeSetEvent32(UINT32 wDelay,UINT32 wResol,
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LPTIMECALLBACK32 lpFunc,DWORD dwUser,
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UINT32 wFlags)
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{
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return timeSetEventInternal(wDelay, wResol, (FARPROC16)lpFunc,
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dwUser, wFlags, 1);
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}
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/**************************************************************************
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* timeSetEvent [MMSYSTEM.602]
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*/
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MMRESULT16 WINAPI timeSetEvent16(UINT16 wDelay, UINT16 wResol,
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LPTIMECALLBACK16 lpFunc,DWORD dwUser,
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UINT16 wFlags)
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{
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return timeSetEventInternal(wDelay, wResol, (FARPROC16)lpFunc,
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dwUser, wFlags, 0);
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}
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/**************************************************************************
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* timeKillEvent [WINMM.142]
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*/
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MMRESULT32 WINAPI timeKillEvent32(UINT32 wID)
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{
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LPTIMERENTRY* lpTimer;
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for (lpTimer = &lpTimerList; *lpTimer; lpTimer = &((*lpTimer)->Next)) {
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if (wID == (*lpTimer)->wTimerID) {
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LPTIMERENTRY xlptimer = (*lpTimer)->Next;
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free(*lpTimer);
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*lpTimer = xlptimer;
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return TRUE;
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}
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}
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return 0;
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}
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/**************************************************************************
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* timeKillEvent [MMSYSTEM.603]
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*/
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MMRESULT16 WINAPI timeKillEvent16(UINT16 wID)
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{
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return timeKillEvent32(wID);
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}
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/**************************************************************************
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* timeGetDevCaps [WINMM.139]
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*/
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MMRESULT32 WINAPI timeGetDevCaps32(LPTIMECAPS32 lpCaps,UINT32 wSize)
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{
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TRACE(mmtime, "(%p, %u) !\n", lpCaps, wSize);
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StartMMTime();
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lpCaps->wPeriodMin = MMSYSTIME_MININTERVAL;
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lpCaps->wPeriodMax = MMSYSTIME_MAXINTERVAL;
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return 0;
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}
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/**************************************************************************
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* timeGetDevCaps [MMSYSTEM.604]
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*/
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MMRESULT16 WINAPI timeGetDevCaps16(LPTIMECAPS16 lpCaps, UINT16 wSize)
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{
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TRACE(mmtime, "(%p, %u) !\n", lpCaps, wSize);
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StartMMTime();
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lpCaps->wPeriodMin = MMSYSTIME_MININTERVAL;
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lpCaps->wPeriodMax = MMSYSTIME_MAXINTERVAL;
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return 0;
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}
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/**************************************************************************
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* timeBeginPeriod [WINMM.137]
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*/
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MMRESULT32 WINAPI timeBeginPeriod32(UINT32 wPeriod)
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{
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TRACE(mmtime, "(%u) !\n", wPeriod);
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StartMMTime();
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if (wPeriod < MMSYSTIME_MININTERVAL || wPeriod > MMSYSTIME_MAXINTERVAL)
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return TIMERR_NOCANDO;
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return 0;
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}
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/**************************************************************************
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* timeBeginPeriod [MMSYSTEM.605]
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*/
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MMRESULT16 WINAPI timeBeginPeriod16(UINT16 wPeriod)
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{
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TRACE(mmtime, "(%u) !\n", wPeriod);
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StartMMTime();
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if (wPeriod < MMSYSTIME_MININTERVAL || wPeriod > MMSYSTIME_MAXINTERVAL)
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return TIMERR_NOCANDO;
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return 0;
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}
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/**************************************************************************
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* timeEndPeriod [WINMM.138]
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*/
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MMRESULT32 WINAPI timeEndPeriod32(UINT32 wPeriod)
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{
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TRACE(mmtime, "(%u) !\n", wPeriod);
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StartMMTime();
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if (wPeriod < MMSYSTIME_MININTERVAL || wPeriod > MMSYSTIME_MAXINTERVAL)
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return TIMERR_NOCANDO;
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return 0;
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}
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/**************************************************************************
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* timeEndPeriod [MMSYSTEM.606]
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*/
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MMRESULT16 WINAPI timeEndPeriod16(UINT16 wPeriod)
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{
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TRACE(mmtime, "(%u) !\n", wPeriod);
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if (wPeriod < MMSYSTIME_MININTERVAL || wPeriod > MMSYSTIME_MAXINTERVAL)
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return TIMERR_NOCANDO;
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return 0;
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}
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/**************************************************************************
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* timeGetTime [MMSYSTEM.607][WINMM.141]
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*/
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DWORD WINAPI timeGetTime()
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{
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DWORD dwNewTick = GetTickCount();
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StartMMTime();
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#ifdef USE_FAKE_MM_TIMERS
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if (bUseFakeTimers) {
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if (wInCallBackLoop++) {
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DWORD dwDelta;
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if (dwNewTick < dwLastCBTick) {
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ERR(mmtime, "dwNewTick(%lu) < dwLastCBTick(%lu)\n", dwNewTick, dwLastCBTick);
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}
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dwDelta = dwNewTick - dwLastCBTick;
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if (dwDelta > MMSYSTIME_MININTERVAL) {
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LPTIMERENTRY lpTimer;
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mmSysTimeMS.u.ms += dwDelta; /* FIXME: faked timer */
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dwLastCBTick = dwNewTick;
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for (lpTimer = lpTimerList; lpTimer != NULL; lpTimer = lpTimer->Next) {
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if (lpTimer->wCurTime < dwDelta) {
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TIME_TriggerCallBack(lpTimer, dwNewTick);
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} else {
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lpTimer->wCurTime -= dwDelta;
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}
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}
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dwNewTick = mmSysTimeMS.u.ms;
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}
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}
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wInCallBackLoop--;
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}
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#endif
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return dwNewTick;
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}
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