source: trunk/src/winmm/time.cpp@ 8266

Last change on this file since 8266 was 7428, checked in by phaller, 24 years ago

removed FS: wrappers in timeGetTime
File size: 7.6 KB
Line 
1/* $Id: time.cpp,v 1.15 2001-11-22 15:40:46 phaller Exp $ */
2
3/*
4 * Timer MM apis
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
7 * Copyright 1999 Patrick Haller (phaller@gmx.net)
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12
13
14/****************************************************************************
15 * Includes *
16 ****************************************************************************/
17#include <os2win.h>
18#include <odinwrap.h>
19#include <misc.h>
20#include <handlemanager.h>
21
22#include "os2timer.h"
23#include "time.h"
24
25#define DBG_LOCALLOG DBG_time
26#include "dbglocal.h"
27
28ODINDEBUGCHANNEL(WINMM-TIME)
29
30
31/*****************************************************************************
32 * Name : mmsystemGetVersion
33 * Purpose : determine version of MM system
34 * Parameters:
35 * Variables :
36 * Result :
37 * Remark :
38 * Status : UNTESTED STUB
39 *
40 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
41 *****************************************************************************/
42
43
44ODINFUNCTION0(UINT, mmsystemGetVersion)
45{
46 //Returned by winmm.dll from NT4, SP6
47 return 0x030A;
48}
49
50/*****************************************************************************
51 * Name :
52 * Purpose :
53 * Parameters:
54 * Variables :
55 * Result :
56 * Remark :
57 * Status : UNTESTED STUB
58 *
59 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
60 *****************************************************************************/
61
62ODINFUNCTION2(MMRESULT, timeGetDevCaps,
63 LPTIMECAPS, ptc,
64 UINT, cbtc)
65{
66 dprintf(("WINMM:timeGetDevCaps Not really Implemented\n"));
67
68 /* 2001-09-16 PH
69 add dynamic detection of OS/2's minimum timer resolution
70 */
71
72 ptc->wPeriodMin = OS2TIMER_RESOLUTION_MINIMUM;
73 ptc->wPeriodMax = OS2TIMER_RESOLUTION_MAXIMUM;
74
75 return TIMERR_NOERROR;
76}
77
78
79/*****************************************************************************
80 * Name :
81 * Purpose :
82 * Parameters:
83 * Variables :
84 * Result :
85 * Remark :
86 * Status : UNTESTED STUB
87 *
88 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
89 *****************************************************************************/
90
91ODINFUNCTION1(MMRESULT, timeBeginPeriod,
92 UINT, cMilliseconds)
93{
94 if (TRUE == OS2TimerResolution::enterResolutionScope(cMilliseconds))
95 return TIMERR_NOERROR;
96 else
97 return TIMERR_NOCANDO;
98}
99
100
101/*****************************************************************************
102 * Name :
103 * Purpose :
104 * Parameters:
105 * Variables :
106 * Result :
107 * Remark :
108 * Status : UNTESTED STUB
109 *
110 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
111 *****************************************************************************/
112
113ODINFUNCTION1(MMRESULT, timeEndPeriod,
114 UINT, cMilliseconds)
115{
116 if (TRUE == OS2TimerResolution::leaveResolutionScope(cMilliseconds))
117 return TIMERR_NOERROR;
118 else
119 {
120 dprintf(("WINMM: timeEndPeriod didn't match timeBeginPeriod.\n"));
121 return TIMERR_NOCANDO;
122 }
123}
124
125
126/*****************************************************************************
127 * Name :
128 * Purpose :
129 * Parameters:
130 * Variables :
131 * Result :
132 * Remark :
133 * Status : UNTESTED STUB
134 *
135 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
136 *****************************************************************************/
137
138ODINFUNCTION1(MMRESULT, timeKillEvent,
139 UINT, IDEvent)
140{
141 OS2Timer *os2timer = NULL;
142
143 if(HMHandleTranslateToOS2(IDEvent, (PULONG)&os2timer) != NO_ERROR) {
144 dprintf(("invalid timer id"));
145 return TIMERR_NOERROR; //TODO: should we return an error here??
146 }
147 HMHandleFree(IDEvent);
148 // return OS2Timer::killEvent(UINT IDEvent)
149
150 delete os2timer;
151 return TIMERR_NOERROR;
152}
153
154
155/*****************************************************************************
156 * Name :
157 * Purpose :
158 * Parameters:
159 * Variables :
160 * Result :
161 * Remark :
162 * Status : UNTESTED STUB
163 *
164 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
165 *****************************************************************************/
166
167ODINFUNCTION5(MMRESULT, timeSetEvent,
168 UINT, wDelay,
169 UINT, wResolution,
170 LPTIMECALLBACK, lptc,
171 DWORD, dwUser,
172 UINT, fuEvent)
173{
174 OS2Timer *timer;
175 ULONG timerID = 0;
176
177// @@@PH 1999/10/26 hack for RA95
178 if (wDelay < OS2TIMER_RESOLUTION_MINIMUM)
179 {
180 dprintf(("WINMM:Time:timeSetEvent - Warning: requested delay too low (%08xh)\n",
181 wDelay));
182 wDelay = OS2TIMER_RESOLUTION_MINIMUM;
183 }
184
185 if (wResolution < OS2TIMER_RESOLUTION_MINIMUM)
186 {
187 dprintf(("WINMM:Time:timeSetEvent - Warning: requested resolution too low (%08xh)\n",
188 wResolution));
189 wResolution = OS2TIMER_RESOLUTION_MINIMUM;
190 }
191
192
193 // check parameters
194 if ((wDelay < OS2TIMER_RESOLUTION_MINIMUM) ||
195 (wDelay > OS2TIMER_RESOLUTION_MAXIMUM))
196 return NULL;
197
198 if (wResolution == 0)
199 wResolution = OS2TIMER_RESOLUTION_MINIMUM;
200 else
201 if ((wResolution < OS2TIMER_RESOLUTION_MINIMUM) ||
202 (wResolution > OS2TIMER_RESOLUTION_MAXIMUM))
203 return NULL;
204
205 timer = new OS2Timer();
206 if(timer == NULL)
207 return(0);
208
209 if(HMHandleAllocate(&timerID, (ULONG)timer) != NO_ERROR) {
210 dprintf(("HMHandleAllocate failed!!"));
211 delete timer;
212 return 0;
213 }
214
215 timer->setTimerID(timerID);
216 if(timer->StartTimer(wDelay, wResolution, lptc, dwUser, fuEvent) == FALSE)
217 {
218 dprintf(("WINMM:timeSetEvent: couldn't start timer!\n"));
219 delete(timer);
220 return(0);
221 }
222 return(MMRESULT)timerID;
223}
224
225
226#if 0
227// Note: 2001-11-22
228// WinGetCurrentTime does not touch the FS: selector.
229// It just returns the content of a variable.
230ULONG OPEN32API WinGetCurrentTime(ULONG hab);
231
232inline ULONG _WinGetCurrentTime(ULONG a)
233{
234 ULONG yyrc;
235 USHORT sel = RestoreOS2FS();
236
237 yyrc = WinGetCurrentTime(a);
238 SetFS(sel);
239
240 return yyrc;
241}
242
243#undef WinGetCurrentTime
244#define WinGetCurrentTime _WinGetCurrentTime
245#else
246ULONG OPEN32API WinGetCurrentTime(ULONG hab);
247#endif
248
249/*****************************************************************************
250 * Name :
251 * Purpose :
252 * Parameters:
253 * Variables :
254 * Result :
255 * Remark :
256 * Status : UNTESTED STUB
257 *
258 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
259 *****************************************************************************/
260
261ODINFUNCTION2(MMRESULT, timeGetSystemTime,
262 LPMMTIME, pTime,
263 UINT, cbTime)
264{
265 dprintf2(("timeGetSystemTime %x %d", pTime, cbTime));
266
267 if(pTime == NULL || cbTime < sizeof(MMTIME)) {
268 SetLastError(ERROR_INVALID_PARAMETER);
269 return 0;
270 }
271 pTime->wType = TIME_MS;
272 pTime->u.ms = WinGetCurrentTime(0);
273
274 SetLastError(ERROR_SUCCESS);
275 return 0;
276}
277
278
279/*****************************************************************************
280 * Name :
281 * Purpose :
282 * Parameters:
283 * Variables :
284 * Result :
285 * Remark :
286 * Status : UNTESTED STUB
287 *
288 * Author : Patrick Haller [Tue, 1998/06/16 23:00]
289 *****************************************************************************/
290
291DWORD WIN32API timeGetTime()
292{
293#if 0
294 //SvL: TODO: Inaccurate
295 DWORD time = WinGetCurrentTime(0);
296 dprintf2(("timeGetTime %x", time));
297 return time;
298#else
299 return WinGetCurrentTime(0);
300#endif
301
302#if 0
303 LARGE_INTEGER lint;
304 static LARGE_INTEGER freq;
305 static BOOL fInit = FALSE;
306
307 if(fInit == FALSE) {
308 QueryPerformanceFrequency(&freq);
309 freq.LowPart /= 1000;
310 fInit = TRUE;
311 }
312 QueryPerformanceCounter(&lint);
313 time = lint.LowPart/freq.LowPart;
314 dprintf2(("timeGetTime %x (%x:%x)", time, lint.LowPart, lint.HighPart));
315#endif
316}
317
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