static int tek_lib_exec_sendmsg(lua_State *L)
{
struct LuaExecTask *lexec = tek_lib_exec_check(L);
struct TExecBase *TExecBase = lexec->exec;
const char *taskname = luaL_checkstring(L, 1);
size_t msglen;
const char *src = luaL_checklstring(L, 2, &msglen);
TAPTR ref, task;
char *msg = TAllocMsg(msglen + TEK_LIB_TASKNAME_LEN);
if (msg == TNULL)
luaL_error(L, "out of memory");
task = tek_lib_exec_locktask(TExecBase, taskname, &ref);
if (task)
{
memcpy(msg, src, msglen);
strcpy(msg + msglen, lexec->taskname);
TPutMsg(TGetUserPort(task), TNULL, msg);
tek_lib_exec_unlocktask(TExecBase, ref);
lua_pushboolean(L, TTRUE);
}
else
{
TFree(msg);
lua_pushnil(L);
}
return 1;
}
LOCAL TBOOL
fb_init(WINDISPLAY *mod, TTAGITEM *tags)
{
struct TExecBase *TExecBase = TGetExecBase(mod);
// mod->fbd_OpenTags = tags;
for (;;)
{
TTAGITEM tags[2];
tags[0].tti_Tag = TTask_UserData;
tags[0].tti_Value = (TTAG) mod;
tags[1].tti_Tag = TTAG_DONE;
mod->fbd_Task = TCreateTask(&mod->fbd_Module.tmd_Handle.thn_Hook,
tags);
if (mod->fbd_Task == TNULL) break;
mod->fbd_CmdPort = TGetUserPort(mod->fbd_Task);
mod->fbd_CmdPortSignal = TGetPortSignal(mod->fbd_CmdPort);
return TTRUE;
}
fb_exit(mod);
return TFALSE;
}
static int tek_lib_exec_getmsg(lua_State *L)
{
struct LuaExecTask *lexec = tek_lib_exec_check(L);
struct TExecBase *TExecBase = lexec->exec;
char *msg = TGetMsg(TGetUserPort(TNULL));
if (msg)
{
TSIZE size = TGetSize(msg) - TEK_LIB_TASKNAME_LEN;
lua_pushlstring(L, msg, size);
lua_pushstring(L, msg + size);
TAckMsg(msg);
return 2;
}
lua_pushnil(L);
lua_pushnil(L);
return 2;
}
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);
}
static int tek_lib_exec_child_sendmsg(lua_State *L)
{
struct LuaExecChild *ctx = luaL_checkudata(L, 1, TEK_LIB_TASK_CLASSNAME);
if (ctx->task)
{
struct TExecBase *TExecBase = ctx->exec;
size_t len;
const char *buf = luaL_checklstring(L, 2, &len);
char *msg = TAllocMsg(len + TEK_LIB_TASKNAME_LEN);
if (msg == TNULL)
luaL_error(L, "out of memory");
memcpy(msg, buf, len);
strcpy(msg + len, ctx->parent->taskname);
TPutMsg(TGetUserPort(ctx->task), TNULL, msg);
}
else
luaL_error(L, "closed handle");
return 0;
}
static TBOOL rfb_init(RFBDISPLAY *mod, TTAGITEM *tags)
{
TAPTR TExecBase = TGetExecBase(mod);
mod->rfb_OpenTags = tags;
for (;;)
{
TTAGITEM tags[2];
tags[0].tti_Tag = TTask_UserData;
tags[0].tti_Value = (TTAG) mod;
tags[1].tti_Tag = TTAG_DONE;
mod->rfb_Task =
TCreateTask(&mod->rfb_Module.tmd_Handle.thn_Hook, tags);
if (mod->rfb_Task == TNULL)
break;
mod->rfb_CmdPort = TGetUserPort(mod->rfb_Task);
return TTRUE;
}
rfb_exit(mod);
return TFALSE;
}
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);
}
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);
}
static void tek_lib_visual_io_task(struct TTask *task)
{
struct TExecBase *TExecBase = TGetExecBase(task);
struct IOData *iodata = TGetTaskData(task);
TEKVisual *vis = iodata->vis;
TIMSG *imsg;
TUINT sig;
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
char buf[256];
fd_set rset;
#endif
do
{
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
FD_ZERO(&rset);
FD_SET(iodata->fd_pipe[0], &rset);
#endif
#if defined(ENABLE_FILENO)
if (iodata->fd_stdin != -1)
FD_SET(iodata->fd_stdin, &rset);
#endif
#if defined(ENABLE_DGRAM)
FD_SET(iodata->fd_dgram, &rset);
#endif
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
if (select(iodata->fdmax, &rset, NULL, NULL, NULL) > 0)
{
int nbytes = 0;
/* consume signal: */
if (FD_ISSET(iodata->fd_pipe[0], &rset))
{
ioctl(iodata->fd_pipe[0], FIONREAD, &nbytes);
if (nbytes > 0)
if (read(iodata->fd_pipe[0], buf,
TMIN(sizeof(buf), (size_t) nbytes)) != nbytes)
TDBPRINTF(TDB_ERROR,("Error reading from selfpipe\n"));
}
#if defined(ENABLE_FILENO)
/* stdin line reader: */
if (iodata->fd_stdin >= 0 && FD_ISSET(iodata->fd_stdin, &rset))
{
if (ioctl(iodata->fd_stdin, FIONREAD, &nbytes) == 0)
{
if (nbytes == 0)
iodata->fd_stdin = -1; /* stop processing */
else
{
char *line;
size_t len;
visual_io_reader_addbytes(&iodata->linereader, nbytes);
while (visual_io_readline(&iodata->linereader, &line,
&len))
{
if (getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), line, len);
TPutMsg(vis->vis_IMsgPort, TNULL,
&imsg->timsg_Node);
}
}
}
}
else
iodata->fd_stdin = -1; /* stop processing */
}
#endif
#if defined(ENABLE_DGRAM)
if (iodata->fd_dgram >= 0 && FD_ISSET(iodata->fd_dgram, &rset))
{
char umsg[IOMAXMSGSIZE];
TIMSG *imsg;
ssize_t len = recv(iodata->fd_dgram, umsg, sizeof umsg, 0);
if (len >= 0 && getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), umsg, len);
TPutMsg(vis->vis_IMsgPort, TNULL, &imsg->timsg_Node);
}
}
#endif
}
sig = TSetSignal(0, TTASK_SIG_ABORT | TTASK_SIG_USER);
#else
sig = TWait(TTASK_SIG_ABORT | TTASK_SIG_USER);
#endif
if (sig & TTASK_SIG_USER)
{
TAPTR msg, uport = TGetUserPort(TNULL);
while ((msg = TGetMsg(uport)))
{
TSIZE len = TGetSize(msg);
/* repackage into user input message */
if (getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), msg, len);
TPutMsg(vis->vis_IMsgPort, TNULL, &imsg->timsg_Node);
}
TAckMsg(msg);
}
}
} while (!(sig & TTASK_SIG_ABORT));
tek_lib_visual_io_exit(task);
}
static TBOOL tek_lib_visual_io_init(struct TTask *task)
{
struct TExecBase *TExecBase = TGetExecBase(task);
struct IOData *iodata = TGetTaskData(task);
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
TEKVisual *vis = iodata->vis;
iodata->fd_pipe[0] = -1;
iodata->fd_pipe[1] = -1;
iodata->fdmax = 0;
TInitHook(&iodata->mphook, tek_lib_visual_io_mphookfunc, iodata);
TSetPortHook(TGetUserPort(TNULL), &iodata->mphook);
#endif
#if defined(ENABLE_FILENO)
int fd = vis->vis_IOFileNo;
iodata->fd_stdin = fd == -1 ? STDIN_FILENO : fd;
visual_io_reader_init(&iodata->linereader, iodata->fd_stdin, IOMAXMSGSIZE);
iodata->fdmax = TMAX(iodata->fdmax, iodata->fd_stdin);
#endif
#if defined(ENABLE_DGRAM)
iodata->fd_dgram = socket(PF_INET, SOCK_DGRAM, 0);
if (iodata->fd_dgram != -1)
{
int reuse = 1;
setsockopt(iodata->fd_dgram, SOL_SOCKET, SO_REUSEADDR,
(char *) &reuse, sizeof(reuse));
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(ENABLE_DGRAM_ADDR);
addr.sin_port = htons(ENABLE_DGRAM);
if (bind(iodata->fd_dgram,
(struct sockaddr *) &addr, sizeof addr) == -1)
{
close(iodata->fd_dgram);
iodata->fd_dgram = -1;
}
}
if (iodata->fd_dgram == -1)
{
tek_lib_visual_io_exit(task);
return TFALSE;
}
iodata->fdmax = TMAX(iodata->fdmax, iodata->fd_dgram);
#endif
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
if (pipe(iodata->fd_pipe) != 0)
return TFALSE;
iodata->fdmax = TMAX(iodata->fdmax, iodata->fd_pipe[0]) + 1;
#endif
TAPTR atom = TLockAtom(iodata->atomname, TATOMF_CREATE | TATOMF_NAME);
if (atom)
{
TSetAtomData(atom, (TTAG) TGetUserPort(TNULL));
TUnlockAtom(atom, TATOMF_KEEP);
}
return TTRUE;
}
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);
}
