int
_sync(void)
{
APIRET rc = DosShutdown(0UL);
if (rc) {
errno = _rc2Errno(rc);
return(-1);
}
return (0);
}
int main(void)
{
HFILE hf;
#ifdef __32BIT__
ULONG dummy;
ULONG rc;
#else
USHORT dummy;
USHORT rc;
#endif
rc = DosOpen("DOS$",&hf,&dummy,0L,FILE_NORMAL,FILE_OPEN,
OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYNONE |
OPEN_FLAGS_FAIL_ON_ERROR,NULL);
if(!rc)
{
/* Flush the caches */
DosShutdown(1);
/* Shut down the file system */
DosShutdown(1);
rc = DosShutdown(0);
if(!rc)
{
/* reboot machine */
#ifdef __32BIT__
rc = DosDevIOCtl(hf,0xd5,0xab,NULL,0,NULL,NULL,0,NULL);
#else
rc = DosDevIOCtl(NULL,NULL,0xab,0xd5,hf);
#endif
DosClose(hf);
}
}
return rc;
}
void shutdown(HFILE com)
{
HAB hAnchorBlock;
ULONG ulRetCode;
ULONG ulSendResult;
HMQ hMsgQWindow;
QMSG rMsgQWin;
QMSG rMsgDESK;
int x;
if ((hAnchorBlock = WinInitialize(0)) == NULLHANDLE)
return;
if ((hMsgQWindow = WinCreateMsgQueue(hAnchorBlock, 0)) == NULLHANDLE)
return;
rMsgDESK.hwnd = HWND_DESKTOP;
rMsgDESK.msg = 0;
rMsgDESK.mp1 = MPVOID;
rMsgDESK.mp2 = MPVOID;
rMsgDESK.time = 0;
rMsgDESK.reserved = 0;
ulSendResult = WinBroadcastMsg(HWND_DESKTOP,
WM_SYSCOMMAND,
MPFROMSHORT(SC_CLOSE),
MPFROM2SHORT(CMDSRC_MENU,FALSE),
(ULONG) BMSG_FRAMEONLY);
for (int i=0; i < 60; i++) // One minute for a clean stop of all programs
{
x = CheckState(com);
if (x != state) state = x;
if (state == 0) { counter = COUNT_INIT; return; };
if (state == 2) break;
DosSleep(1000);
}
DosBeep(4000, 100);
DosBeep(3000, 100);
DosBeep(2000, 100);
DosBeep(1000, 100);
DosShutdown(0);
UPSPowerOff(com);
WinDestroyMsgQueue(hMsgQWindow);
WinTerminate(hAnchorBlock);
return;
}
/* Main procedure */
void main(int argc, char * argv[])
{
int newState = 0;
HFILE com;
ULONG action;
DCBparam DCB;
if (argc != 2)
{
fprintf(stderr, "Incorrect number of parameters!\n");
help();
exit(1);
}
if ((strcmpi(argv[1], "COM1")<0) ||
(strcmpi(argv[1], "COM4")>0))
{
fprintf(stderr, "Serial port name required!\n");
help();
exit(2);
}
unsigned long datasize = sizeof(DCB);
if (DosOpen(argv[1], &com, &action,
0L, // logical size
0L, // file attributes
0x01, // action on existence
0x0012, // openbits
0L)) exit(1);
RaiseDTR(com);
if (!CheckDSR(com))
DosBeep(1000, 1000L);
DosDevIOCtl(com, 0x01, 0x73, NULL, 0, NULL, &DCB, datasize, &datasize);
DCB.writeTimeout = 1000;
DCB.readTimeout = 100;
DCB.flags1 = 0x00;
DCB.flags3 = (DCB.flags3 & 0xF9) + 0x04;
SetBitRate(com, 110);
while (CheckDSR(com))
{
newState = CheckState(com);
if (newState != state)
Powerfail(newState, com);
switch(state)
{
case 1:
DosBeep(500, 10L);
break;
case 2:
DosBeep(4000, 10L);
break;
default:
break;
}
switch (doShutdown)
{
case 1: shutdown(com); break;
case 2:
{
DosShutdown(0);
UPSPowerOff(com);
};
break;
default: break;
}
DosSleep(1000);
}
DosClose(com);
exit(-1);
}
