source: trunk/dll/timer.c@ 1188

Last change on this file since 1188 was 1188, checked in by John Small, 17 years ago

Ticket 187: Draft 2: Move remaining function declarations

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.8 KB
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1
2/***********************************************************************
3
4 $Id: timer.c 1188 2008-09-10 21:58:30Z jbs $
5
6 Timer thread
7
8 Copyright (c) 1993-98 M. Kimes
9 Copyright (c) 2006 Steven H. Levine
10
11 22 Jul 06 SHL Check more run time errors
12 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
13
14***********************************************************************/
15
16#include <process.h> // _beginthread
17
18#define INCL_DOS
19#define INCL_DOSERRORS
20#define INCL_WIN
21#define INCL_LONGLONG // dircnrs.h
22
23#include "fm3dll.h"
24#include "fm3str.h"
25#include "errutil.h" // Dos_Error...
26#include "strutil.h" // GetPString
27#include "timer.h"
28#include "misc.h" // PostMsg
29
30static PSZ pszSrcFile = __FILE__;
31
32static HEV hevTimerSem;
33
34static void TimerThread(void *args)
35{
36 HAB hab2;
37 HMQ hmq2;
38 ULONG cntr = 0;
39
40 priority_bumped();
41 hab2 = WinInitialize(0);
42 if (hab2) {
43 hmq2 = WinCreateMsgQueue(hab2, 0);
44 if (hmq2) {
45 WinCancelShutdown(hmq2, TRUE);
46 if (!DosCreateEventSem(NULL, &hevTimerSem, 0, FALSE)) {
47 for (;;) {
48 if (DosWaitEventSem(hevTimerSem, 3000) != ERROR_TIMEOUT)
49 break;
50 cntr++;
51 if (hwndTree && !(cntr % 3))
52 PostMsg(hwndTree, UM_TIMER, MPVOID, MPVOID);
53 if (hwndBubble && WinIsWindowVisible(hwndBubble))
54 PostMsg(hwndBubble, UM_TIMER, MPVOID, MPVOID);
55 if (DataHwnd)
56 PostMsg(DataHwnd, UM_TIMER, MPVOID, MPVOID);
57 }
58 DosCloseEventSem(hevTimerSem);
59 }
60 WinDestroyMsgQueue(hmq2);
61 }
62 WinTerminate(hab2);
63 }
64}
65
66//== StartTimer() return TRUE can start thread ==
67
68BOOL StartTimer(void)
69{
70 INT rc = _beginthread(TimerThread, NULL, 32768, (PVOID) 0);
71
72 if (rc == -1)
73 Runtime_Error(pszSrcFile, __LINE__,
74 GetPString(IDS_COULDNTSTARTTHREADTEXT));
75
76 return rc != -1;
77}
78
79void StopTimer(void)
80{
81 DosPostEventSem(hevTimerSem);
82}
83
84#pragma alloc_text(TIMER,TimerThread,StartTimer,StopTimer)
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