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| 2 | /***********************************************************************
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| 3 | 
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| 4 |   $Id: timer.c 1335 2008-12-12 23:49:02Z stevenhl $
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| 5 | 
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| 6 |   Timer thread
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| 7 | 
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| 8 |   Copyright (c) 1993-98 M. Kimes
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| 9 |   Copyright (c) 2006, 2008 Steven H. Levine
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| 10 | 
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| 11 |   22 Jul 06 SHL Check more run time errors
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| 12 |   20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
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| 13 |   10 Dec 08 SHL Integrate exception handler support
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| 14 | 
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| 15 | ***********************************************************************/
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| 16 | 
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| 17 | // #include <process.h>                 // _beginthread
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| 18 | 
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| 19 | #define INCL_DOS
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| 20 | #define INCL_DOSERRORS
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| 21 | #define INCL_WIN
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| 22 | #define INCL_LONGLONG                   // dircnrs.h
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| 23 | 
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| 24 | #include "fm3dll.h"
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| 25 | #include "fm3dll2.h"                    // #define's for UM_*, control id's, etc.
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| 26 | #include "mainwnd.h"                    // Data declaration(s)
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| 27 | #include "datamin.h"                    // Data declaration(s)
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| 28 | #include "fm3str.h"
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| 29 | #include "errutil.h"                    // Dos_Error...
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| 30 | #include "strutil.h"                    // GetPString
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| 31 | #include "timer.h"
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| 32 | #include "misc.h"                       // PostMsg
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| 33 | #include "excputil.h"                   // xbeginthread
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| 34 | 
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| 35 | static PSZ pszSrcFile = __FILE__;
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| 36 | 
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| 37 | static HEV hevTimerSem;
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| 38 | 
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| 39 | static void TimerThread(void *args)
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| 40 | {
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| 41 |   HAB hab2;
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| 42 |   HMQ hmq2;
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| 43 |   ULONG cntr = 0;
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| 44 | 
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| 45 |   priority_bumped();
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| 46 |   hab2 = WinInitialize(0);
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| 47 |   if (hab2) {
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| 48 |     hmq2 = WinCreateMsgQueue(hab2, 0);
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| 49 |     if (hmq2) {
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| 50 |       WinCancelShutdown(hmq2, TRUE);
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| 51 |       if (!DosCreateEventSem(NULL, &hevTimerSem, 0, FALSE)) {
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| 52 |         for (;;) {
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| 53 |           if (DosWaitEventSem(hevTimerSem, 3000) != ERROR_TIMEOUT)
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| 54 |             break;
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| 55 |           cntr++;
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| 56 |           if (hwndTree && !(cntr % 3))
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| 57 |             PostMsg(hwndTree, UM_TIMER, MPVOID, MPVOID);
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| 58 |           if (hwndBubble && WinIsWindowVisible(hwndBubble))
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| 59 |             PostMsg(hwndBubble, UM_TIMER, MPVOID, MPVOID);
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| 60 |           if (DataHwnd)
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| 61 |             PostMsg(DataHwnd, UM_TIMER, MPVOID, MPVOID);
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| 62 |         }
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| 63 |         DosCloseEventSem(hevTimerSem);
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| 64 |       }
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| 65 |       WinDestroyMsgQueue(hmq2);
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| 66 |     }
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| 67 |     WinTerminate(hab2);
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| 68 |   }
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| 69 | }
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| 70 | 
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| 71 | //== StartTimer() return TRUE can start thread ==
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| 72 | 
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| 73 | BOOL StartTimer(void)
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| 74 | {
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| 75 |   INT rc = xbeginthread(TimerThread,
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| 76 |                         32768,
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| 77 |                         (PVOID)0,
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| 78 |                         pszSrcFile,
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| 79 |                         __LINE__);
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| 80 | 
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| 81 |   return rc != -1;
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| 82 | }
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| 83 | 
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| 84 | void StopTimer(void)
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| 85 | {
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| 86 |   DosPostEventSem(hevTimerSem);
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| 87 | }
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| 88 | 
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| 89 | #pragma alloc_text(TIMER,TimerThread,StartTimer,StopTimer)
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