示例#1
0
文件: hal.c 项目: ld-test/tekui
static void TTASKENTRY hal_devfunc(struct TTask *task)
{
	TAPTR exec = TGetExecBase(task);
	struct THALBase *hal = TExecGetHALBase(exec);
	struct HALSpecific *hps = hal->hmb_Specific;
	struct HALThread *thread = TlsGetValue(hps->hsp_TLSIndex);
	TAPTR port = TExecGetUserPort(exec, task);
	struct TTimeRequest *msg;
	TUINT sig = 0;
	TTIME waittime, curtime;
	struct TNode *nnode, *node;

 	waittime.ttm_Sec = 2000000000;
 	waittime.ttm_USec = 0;

	for (;;)
	{
		sig = hal_timedwaitevent(hal, thread, &waittime,
			TTASK_SIG_ABORT | TTASK_SIG_USER);

		if (sig & TTASK_SIG_ABORT)
			break;

		EnterCriticalSection(&hps->hsp_DevLock);
		hal_getsystime(hal, &curtime);

		while ((msg = TExecGetMsg(exec, port)))
		{
			TAddTime(&msg->ttr_Data.ttr_Time, &curtime);
			TAddTail(&hps->hsp_ReqList, (struct TNode *) msg);
		}

		waittime.ttm_Sec = 2000000000;
		waittime.ttm_USec = 0;
		node = hps->hsp_ReqList.tlh_Head;
		for (; (nnode = node->tln_Succ); node = nnode)
		{
			struct TTimeRequest *tr = (struct TTimeRequest *) node;
			TTIME *tm = &tr->ttr_Data.ttr_Time;
			if (TCmpTime(&curtime, tm) >= 0)
			{
				TRemove(node);
				tr->ttr_Req.io_Error = 0;
				TExecReplyMsg(exec, node);
				continue;
			}
			if (TCmpTime(tm, &waittime) < 0)
				waittime = *tm;
		}

		LeaveCriticalSection(&hps->hsp_DevLock);
	}

	TDBPRINTF(2,("goodbye from HAL device\n"));
}
示例#2
0
static int tek_lib_exec_waitmsg(lua_State *L)
{
	struct LuaExecTask *lexec = tek_lib_exec_check(L);
	struct TExecBase *TExecBase = lexec->exec;
	TTIME dt, *pdt = TNULL, destt, nowt;
	int narg;
	TAPTR hal = TExecBase->texb_HALBase;
	struct TMsgPort *port = TGetUserPort(TNULL);
    struct TNode *node;
	TUINT sig = TSetSignal(0, 0) & (TTASK_SIG_USER | TTASK_SIG_ABORT);

	tek_lib_exec_checkabort(L, lexec->exec, sig);
	
	dt.tdt_Int64 = luaL_optnumber(L, 1, 0) * 1000;
	if (dt.tdt_Int64)
	{
		TGetSystemTime(&destt);
		TAddTime(&destt, &dt);
		pdt = &dt;
	}
	
	for (;;)
	{
		THALLock(hal, &port->tmp_Lock);
		node = port->tmp_MsgList.tlh_Head.tln_Succ;
		if (node->tln_Succ == TNULL)
			node = TNULL;
		THALUnlock(hal, &port->tmp_Lock);
		if (node)
			break;
		sig = TWaitTime(pdt, TTASK_SIG_USER | TTASK_SIG_ABORT);
		tek_lib_exec_checkabort(L, lexec->exec, sig);
		if (sig == 0)
			break;
		if (pdt)
		{
			dt = destt;
			TGetSystemTime(&nowt);
			TSubTime(&dt, &nowt);
		}
	}
	
	narg = tek_lib_exec_getmsg(L);
	return tek_lib_exec_return_sig2string(L, sig, narg);
}
示例#3
0
文件: hal.c 项目: callcc/tekui
EXPORT void
hal_beginio(struct THALBase *hal, struct TTimeRequest *req)
{
	struct HALSpecific *hws = hal->hmb_Specific;
	TAPTR exec = hws->hsp_ExecBase;
	TTIME curtime;
	TINT64 x = 0;

	switch (req->ttr_Req.io_Command)
	{
		/* execute asynchronously */
		case TTREQ_WAITLOCALDATE:
			/* microseconds west of GMT: */
			x = hal_getdstfromlocaldate(hal, &req->ttr_Data.ttr_Date);
			x *= 1000000;
		case TTREQ_WAITUNIVERSALDATE:
			x += req->ttr_Data.ttr_Date.tdt_Int64;
			x -= 11644473600000000ULL;
			req->ttr_Data.ttr_Date.tdt_Int64 = x;
			#ifndef USE_MMTIMER
			hal_getsystime(hal, &curtime);
			TSubTime(&req->ttr_Data.ttr_Time, &curtime);
			#endif
			goto addtimereq;

		case TTREQ_WAITTIME:
			#ifdef USE_MMTIMER
			hal_getsystime(hal, &curtime);
			TAddTime(&req->ttr_Data.ttr_Time, &curtime);
			#endif

		addtimereq:
		{
			#ifdef USE_MMTIMER
			struct TMessage *msg = TGETMSGPTR(req);
			EnterCriticalSection(&hws->hsp_DevLock);
			msg->tmsg_Flags = TMSG_STATUS_SENT | TMSGF_QUEUED;
			msg->tmsg_RPort = req->ttr_Req.io_ReplyPort;
			TAddTail(&hws->hsp_ReqList, (struct TNode *) req);
			LeaveCriticalSection(&hws->hsp_DevLock);
			#else
			TExecPutMsg(exec, TExecGetUserPort(exec, hws->hsp_DevTask),
				req->ttr_Req.io_ReplyPort, req);
			#endif
			return;
		}

		/* execute synchronously */
		default:
		case TTREQ_GETUNIVERSALDATE:
		{
			TINT timezone_bias;
			hal_getsysdate(hal, &req->ttr_Data.ttr_Date, &timezone_bias);
			break;
		}

		case TTREQ_GETLOCALDATE:
			hal_getsysdate(hal, &req->ttr_Data.ttr_Date, TNULL);
			break;

		case TTREQ_GETSYSTEMTIME:
			hal_getsystime(hal, &req->ttr_Data.ttr_Time);
			break;

		#if 0
		case TTREQ_GETDSFROMDATE:
			req->ttr_Data.ttr_DSSec =
				hal_dsfromdate(hal, &req->ttr_Data.ttr_Date.ttr_Date);
			break;
		#endif
	}

	req->ttr_Req.io_Error = 0;

	if (!(req->ttr_Req.io_Flags & TIOF_QUICK))
	{
		/* async operation indicated; reply to self */
		TExecReplyMsg(exec, req);
	}
}
示例#4
0
static void fb_runinstance(TAPTR task)
{
	struct TExecBase *TExecBase = TGetExecBase(task);
	WINDISPLAY *mod = TGetTaskData(task);
	struct TVRequest *req;
	TUINT sig;

	/* interval time: 1/50s: */
	TTIME intt = { 20000 };
	/* next absolute time to send interval message: */
	TTIME nextt;
	TTIME waitt, nowt;

	TGetSystemTime(&nextt);
	TAddTime(&nextt, &intt);

	TDBPRINTF(TDB_INFO,("Device instance running\n"));

	do
	{
		TBOOL do_interval = TFALSE;

		while ((req = TGetMsg(mod->fbd_CmdPort)))
		{
			fb_docmd(mod, req);
			TReplyMsg(req);
		}

		fb_notifywindows(mod);

		/* calculate new delta to wait: */
		TGetSystemTime(&nowt);
		waitt = nextt;
		TSubTime(&waitt, &nowt);

		TWaitTime(&waitt, mod->fbd_CmdPortSignal);

		/* check if time interval has expired: */
		TGetSystemTime(&nowt);
		if (TCmpTime(&nowt, &nextt) > 0)
		{
			/* expired; send interval: */
			do_interval = TTRUE;
			TAddTime(&nextt, &intt);
			if (TCmpTime(&nowt, &nextt) >= 0)
			{
				/* nexttime expired already; create new time from now: */
				nextt = nowt;
				TAddTime(&nextt, &intt);
			}
		}

		/* send out input messages: */
		fb_sendimessages(mod, do_interval);

		/* get signal state: */
		sig = TSetSignal(0, TTASK_SIG_ABORT);

	} while (!(sig & TTASK_SIG_ABORT));

	TDBPRINTF(TDB_INFO,("Device instance closedown\n"));
	fb_exitinstance(mod);
}
示例#5
0
static void rfb_runtask(struct TTask *task)
{
	TAPTR TExecBase = TGetExecBase(task);
	RFBDISPLAY *mod = TGetTaskData(task);
	struct TVRequest *req;
	TUINT sig;

	TTIME intt = { RAWFB_INTERVAL_MICROS };
	/* next absolute time to send interval message: */
	TTIME nextt;
	TTIME waitt, nowt;
	
	TAPTR cmdport = TGetUserPort(task);
	TUINT cmdportsignal = TGetPortSignal(cmdport);
	TUINT imsgportsignal = TGetPortSignal(mod->rfb_RndIMsgPort);
	
	TDBPRINTF(TDB_INFO,("RawFB device context running\n"));
	
	TGetSystemTime(&nowt);
	nextt = nowt;
	TAddTime(&nextt, &intt);
	
	do
	{
		/* process input messages: */
		rfb_processevent(mod);
		
		/* do draw commands: */
		while ((req = TGetMsg(cmdport)))
		{
			rfb_docmd(mod, req);
			TReplyMsg(req);
		}
		
		/* check if time interval has expired: */
		TGetSystemTime(&nowt);
		if (TCmpTime(&nowt, &nextt) > 0)
		{
			/* expired; send intervals: */
			TLock(mod->rfb_InstanceLock);
			
			struct TNode *next, *node = mod->rfb_VisualList.tlh_Head;
			for (; (next = node->tln_Succ); node = next)
			{
				RFBWINDOW *v = (RFBWINDOW *) node;
				TIMSG *imsg;
				if ((v->rfbw_InputMask & TITYPE_INTERVAL) &&
					rfb_getimsg(mod, v, &imsg, TITYPE_INTERVAL))
					TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
			}
			
			TUnlock(mod->rfb_InstanceLock);
			TAddTime(&nextt, &intt);
		}

		/* calculate new wait time: */
		waitt = nextt;
		TGetSystemTime(&nowt);
		TSubTime(&waitt, &nowt);
		
		if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > RAWFB_INTERVAL_MICROS)
		{
			/* something's wrong with the clock, recalculate */
			TDBPRINTF(TDB_INFO,("clock problem: %lld\n", waitt.tdt_Int64));
			nextt = nowt;
			TAddTime(&nextt, &intt);
			waitt = nextt;
			TSubTime(&waitt, &nowt);
		}
		
		sig = TWaitTime(&waitt, 
			cmdportsignal | imsgportsignal | TTASK_SIG_ABORT);
		
	} while (!(sig & TTASK_SIG_ABORT));
	
	TDBPRINTF(TDB_INFO,("RawFB device context closedown\n"));
	
	rfb_exittask(mod);
}
示例#6
0
static void rfb_runtask(struct TTask *task)
{
	TAPTR TExecBase = TGetExecBase(task);
	struct rfb_Display *mod = TGetTaskData(task);
	struct TVRequest *req;
	TUINT sig = 0;

	TTIME intt = { 20000 };
	/* next absolute time to send interval message: */
	TTIME nextt;
	TTIME waitt, nowt, *pwaitt;

	TAPTR cmdport = TGetUserPort(task);
	TUINT cmdportsignal = TGetPortSignal(cmdport);
	TUINT imsgportsignal = TGetPortSignal(mod->rfb_RndIMsgPort);
	TUINT waitsigs = cmdportsignal | imsgportsignal | TTASK_SIG_ABORT;

	TDBPRINTF(TDB_INFO, ("RawFB device context running\n"));

	TGetSystemTime(&nowt);
	nextt = nowt;
	TAddTime(&nextt, &intt);

	do
	{
		if (sig & cmdportsignal)
		{
			TBOOL checkrect = mod->rfb_Flags & RFBFL_PTR_VISIBLE;
			TINT arec[4];

			while ((req = TGetMsg(cmdport)))
			{
				if (checkrect)
				{
					TINT res = rfb_cmdrectaffected(mod, req, arec, TTRUE);

					if (res < 0 || (res > 0 &&
							REGION_OVERLAPRECT(mod->rfb_PtrBackBuffer.rect,
								arec)))
					{
						rfb_restoreptrbg(mod);
						checkrect = TFALSE;
					}
				}
				rfb_docmd(mod, req);
				TReplyMsg(req);
			}
		}

		if (mod->rfb_Flags & RFBFL_SHOWPTR)
			rfb_drawpointer(mod);

		/* check if time interval has expired: */
		TGetSystemTime(&nowt);

		/* do interval timers */
		if (mod->rfb_NumInterval > 0)
		{
			if (TCmpTime(&nowt, &nextt) >= 0)
			{
				/* expired; send intervals: */
				TLock(mod->rfb_InstanceLock);
				struct TNode *next, 
					*node = mod->rfb_VisualList.tlh_Head.tln_Succ;

				for (; (next = node->tln_Succ); node = next)
				{
					struct rfb_Window *v = (struct rfb_Window *) node;
					TIMSG *imsg;

					if ((v->rfbw_InputMask & TITYPE_INTERVAL) &&
						rfb_getimsg(mod, v, &imsg, TITYPE_INTERVAL))
						TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
				}
				TUnlock(mod->rfb_InstanceLock);
				TAddTime(&nextt, &intt);
			}

			/* calculate new wait time: */
			waitt = nextt;
			TSubTime(&waitt, &nowt);
			if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > 20000)
			{
				nextt = nowt;
				TAddTime(&nextt, &intt);
				waitt = nextt;
				TSubTime(&waitt, &nowt);
			}
			pwaitt = &waitt;
		}
		else
			pwaitt = TNULL;

#if defined(ENABLE_LINUXFB)
		rfb_linux_wait(mod, pwaitt);
		sig = TSetSignal(0, waitsigs);
#else
		sig = TWaitTime(pwaitt, waitsigs);
#endif

		if (sig & imsgportsignal)
			rfb_processevent(mod);

	} while (!(sig & TTASK_SIG_ABORT));

	TDBPRINTF(TDB_INFO, ("RawFB device context closedown\n"));

	rfb_exittask(mod);
}
示例#7
0
LOCAL void x11_taskfunc(struct TTask *task)
{
	TAPTR TExecBase = TGetExecBase(task);
	struct X11Display *inst = TGetTaskData(task);
	TUINT sig = 0;
	fd_set rset;
	struct TVRequest *req;
	TIMSG *imsg;
	char buf[256];
	struct timeval tv, *ptv;
	struct TMsgPort *cmdport = TGetUserPort(task);
	TUINT cmdportsignal = TGetPortSignal(cmdport);
	TUINT ireplysignal = TGetPortSignal(inst->x11_IReplyPort);
	TUINT waitsigs = cmdportsignal | ireplysignal | TTASK_SIG_ABORT;

	/* interval time: 1/50s: */
	TTIME intt = { 20000 };

	/* next absolute time to send interval message: */
	TTIME nextt;
	TTIME waitt, nowt;

	TDBPRINTF(TDB_INFO, ("Device instance running\n"));

	TGetSystemTime(&nowt);
	nextt = nowt;
	TAddTime(&nextt, &intt);

	do
	{
		if (sig & ireplysignal)
		{
			while ((imsg = TGetMsg(inst->x11_IReplyPort)))
			{
				/* returned input message */
				if (imsg->timsg_Type == TITYPE_REQSELECTION)
				{
					XSelectionEvent *reply =
						(XSelectionEvent *) imsg->timsg_Requestor;
					struct TTagItem *replytags =
						(struct TTagItem *) imsg->timsg_ReplyData;
					size_t len =
						TGetTag(replytags, TIMsgReply_UTF8SelectionLen, 0);
					TUINT8 *xdata = (TUINT8 *) TGetTag(replytags,
						TIMsgReply_UTF8Selection, TNULL);

					XChangeProperty(inst->x11_Display, reply->requestor,
						reply->property, XA_ATOM, 8, PropModeReplace,
						(unsigned char *) xdata, len);
					XSendEvent(inst->x11_Display, reply->requestor, 0,
						NoEventMask, (XEvent *) reply);
					XSync(inst->x11_Display, False);
					TFree((TAPTR) imsg->timsg_Requestor);
					TFree(xdata);
					/* reqselect roundtrip ended */
				}
				TFree(imsg);
			}
		}

		if (sig & cmdportsignal)
		{
			while (inst->x11_RequestInProgress == TNULL &&
				(req = TGetMsg(cmdport)))
			{
				x11_docmd(inst, req);
				if (inst->x11_RequestInProgress)
					break;
				TReplyMsg(req);
			}
		}

		XFlush(inst->x11_Display);

		FD_ZERO(&rset);
		FD_SET(inst->x11_fd_display, &rset);
		FD_SET(inst->x11_fd_sigpipe_read, &rset);

		TGetSystemTime(&nowt);

		if (inst->x11_NumInterval > 0 || inst->x11_RequestInProgress)
		{
			if (TCmpTime(&nowt, &nextt) >= 0)
			{
				/* expired; send interval: */
				struct TNode *next, *node = inst->x11_vlist.tlh_Head.tln_Succ;

				for (; (next = node->tln_Succ); node = next)
				{
					struct X11Window *v = (struct X11Window *) node;
					TIMSG *imsg;

					if ((v->eventmask & TITYPE_INTERVAL) &&
						x11_getimsg(inst, v, &imsg, TITYPE_INTERVAL))
						TPutMsg(v->imsgport, TNULL, imsg);
				}
				TAddTime(&nextt, &intt);
			}

			/* calculate new wait time: */
			waitt = nextt;
			TSubTime(&waitt, &nowt);
			if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > 20000)
			{
				nextt = nowt;
				TAddTime(&nextt, &intt);
				waitt = nextt;
				TSubTime(&waitt, &nowt);
			}
			tv.tv_sec = waitt.tdt_Int64 / 1000000;
			tv.tv_usec = waitt.tdt_Int64 % 1000000;
			ptv = &tv;
		}
		else
			ptv = NULL;

		/* wait for display, signal fd and timeout: */
		if (select(inst->x11_fd_max, &rset, NULL, NULL, ptv) > 0)
		{
			int nbytes;

			/* consume signal: */
			if (FD_ISSET(inst->x11_fd_sigpipe_read, &rset))
			{
				ioctl(inst->x11_fd_sigpipe_read, FIONREAD, &nbytes);
				if (nbytes > 0)
					if (read(inst->x11_fd_sigpipe_read, buf,
							TMIN(sizeof(buf), (size_t) nbytes)) != nbytes)
						TDBPRINTF(TDB_ERROR,
							("could not read wakeup signal\n"));
			}
		}

		/* process input messages: */
		x11_processevent(inst);

		/* send out input messages to owners: */
		x11_sendimessages(inst);

		/* get signal state: */
		sig = TSetSignal(0, waitsigs);

	}
	while (!(sig & TTASK_SIG_ABORT));

	TDBPRINTF(TDB_INFO, ("Device instance exit\n"));

	x11_exitinstance(inst);
}