1 8ad51794 2004-03-25 devnull #include <u.h>
2 42c3794c 2004-10-17 devnull #include <signal.h>
3 8ad51794 2004-03-25 devnull #include <libc.h>
4 8ad51794 2004-03-25 devnull #include <ctype.h>
5 8ad51794 2004-03-25 devnull #include <draw.h>
6 8ad51794 2004-03-25 devnull #include <thread.h>
7 8ad51794 2004-03-25 devnull #include <mouse.h>
8 8ad51794 2004-03-25 devnull #include <cursor.h>
9 8ad51794 2004-03-25 devnull #include <keyboard.h>
10 8ad51794 2004-03-25 devnull #include <frame.h>
11 8ad51794 2004-03-25 devnull #include <plumb.h>
12 8ad51794 2004-03-25 devnull #include <complete.h>
13 e830a908 2005-11-06 devnull #define Extern
14 e830a908 2005-11-06 devnull #include "dat.h"
15 e830a908 2005-11-06 devnull #include "fns.h"
16 e830a908 2005-11-06 devnull #include "term.h"
18 e830a908 2005-11-06 devnull int use9wm;
19 e830a908 2005-11-06 devnull int mainpid;
20 93921c48 2006-06-28 devnull int mousepid;
21 e830a908 2005-11-06 devnull int plumbfd;
22 e830a908 2005-11-06 devnull int rcpid;
23 e830a908 2005-11-06 devnull int rcfd;
25 e830a908 2005-11-06 devnull int noecho;
26 e830a908 2005-11-06 devnull Window *w;
27 e830a908 2005-11-06 devnull char *fontname;
29 e830a908 2005-11-06 devnull void derror(Display*, char*);
30 e830a908 2005-11-06 devnull void mousethread(void*);
31 e830a908 2005-11-06 devnull void keyboardthread(void*);
32 e830a908 2005-11-06 devnull void winclosethread(void*);
33 e830a908 2005-11-06 devnull void deletethread(void*);
34 e830a908 2005-11-06 devnull void rcoutputproc(void*);
35 e830a908 2005-11-06 devnull void rcinputproc(void*);
36 e830a908 2005-11-06 devnull void hangupnote(void*, char*);
37 e830a908 2005-11-06 devnull void resizethread(void*);
38 c935adc6 2005-11-10 devnull void servedevtext(void);
40 e830a908 2005-11-06 devnull int errorshouldabort = 0;
43 e830a908 2005-11-06 devnull usage(void)
45 e830a908 2005-11-06 devnull fprint(2, "usage: 9term [-s] [-f font] [-W winsize] [cmd ...]\n");
46 e830a908 2005-11-06 devnull threadexitsall("usage");
50 e830a908 2005-11-06 devnull threadmain(int argc, char *argv[])
54 e830a908 2005-11-06 devnull rfork(RFNOTEG);
55 e830a908 2005-11-06 devnull font = nil;
56 e830a908 2005-11-06 devnull _wantfocuschanges = 1;
57 e830a908 2005-11-06 devnull mainpid = getpid();
58 e830a908 2005-11-06 devnull messagesize = 8192;
60 e830a908 2005-11-06 devnull ARGBEGIN{
63 5bd21066 2006-01-18 devnull case 'l':
64 5bd21066 2006-01-18 devnull loginshell = TRUE;
66 e830a908 2005-11-06 devnull case 'f':
67 21d0dda6 2005-11-11 devnull fontname = EARGF(usage());
69 e830a908 2005-11-06 devnull case 's':
70 e830a908 2005-11-06 devnull scrolling = TRUE;
72 e830a908 2005-11-06 devnull case 'w': /* started from rio or 9wm */
73 e830a908 2005-11-06 devnull use9wm = TRUE;
75 e830a908 2005-11-06 devnull case 'W':
76 e830a908 2005-11-06 devnull winsize = EARGF(usage());
80 21d0dda6 2005-11-11 devnull if(fontname)
81 21d0dda6 2005-11-11 devnull putenv("font", fontname);
83 e830a908 2005-11-06 devnull p = getenv("tabstop");
84 e830a908 2005-11-06 devnull if(p == 0)
85 e830a908 2005-11-06 devnull p = getenv("TABSTOP");
86 e830a908 2005-11-06 devnull if(p && maxtab <= 0)
87 e830a908 2005-11-06 devnull maxtab = strtoul(p, 0, 0);
88 e830a908 2005-11-06 devnull if(maxtab <= 0)
89 e830a908 2005-11-06 devnull maxtab = 4;
92 e830a908 2005-11-06 devnull startdir = ".";
94 98df7c80 2006-06-25 devnull if(initdraw(derror, fontname, "9term") < 0)
95 98df7c80 2006-06-25 devnull sysfatal("initdraw: %r");
97 e830a908 2005-11-06 devnull notify(hangupnote);
98 e830a908 2005-11-06 devnull noteenable("sys: child");
100 e830a908 2005-11-06 devnull mousectl = initmouse(nil, screen);
101 e830a908 2005-11-06 devnull if(mousectl == nil)
102 e830a908 2005-11-06 devnull error("cannot find mouse");
103 e830a908 2005-11-06 devnull keyboardctl = initkeyboard(nil);
104 e830a908 2005-11-06 devnull if(keyboardctl == nil)
105 e830a908 2005-11-06 devnull error("cannot find keyboard");
106 e830a908 2005-11-06 devnull mouse = &mousectl->m;
108 e830a908 2005-11-06 devnull winclosechan = chancreate(sizeof(Window*), 0);
109 e830a908 2005-11-06 devnull deletechan = chancreate(sizeof(char*), 0);
111 e830a908 2005-11-06 devnull timerinit();
112 c21d0ab4 2005-11-11 devnull servedevtext();
113 e830a908 2005-11-06 devnull rcpid = rcstart(argc, argv, &rcfd, &sfd);
114 e830a908 2005-11-06 devnull w = new(screen, FALSE, scrolling, rcpid, ".", nil, nil);
116 e830a908 2005-11-06 devnull threadcreate(keyboardthread, nil, STACK);
117 e830a908 2005-11-06 devnull threadcreate(mousethread, nil, STACK);
118 e830a908 2005-11-06 devnull threadcreate(resizethread, nil, STACK);
120 e830a908 2005-11-06 devnull proccreate(rcoutputproc, nil, STACK);
121 e830a908 2005-11-06 devnull proccreate(rcinputproc, nil, STACK);
125 e830a908 2005-11-06 devnull derror(Display *d, char *errorstr)
127 e830a908 2005-11-06 devnull USED(d);
128 e830a908 2005-11-06 devnull error(errorstr);
132 e830a908 2005-11-06 devnull hangupnote(void *a, char *msg)
134 e830a908 2005-11-06 devnull if(getpid() != mainpid)
135 e830a908 2005-11-06 devnull noted(NDFLT);
136 93921c48 2006-06-28 devnull if(strcmp(msg, "hangup") == 0){
137 93921c48 2006-06-28 devnull postnote(PNPROC, rcpid, "hangup");
138 93921c48 2006-06-28 devnull noted(NDFLT);
140 e830a908 2005-11-06 devnull if(strstr(msg, "child")){
141 e830a908 2005-11-06 devnull char buf[128];
144 e830a908 2005-11-06 devnull n = awaitnohang(buf, sizeof buf-1);
145 e830a908 2005-11-06 devnull if(n > 0){
146 e830a908 2005-11-06 devnull buf[n] = 0;
147 e830a908 2005-11-06 devnull if(atoi(buf) == rcpid)
148 e830a908 2005-11-06 devnull threadexitsall(0);
150 e830a908 2005-11-06 devnull noted(NCONT);
152 e830a908 2005-11-06 devnull noted(NDFLT);
156 e830a908 2005-11-06 devnull keyboardthread(void *v)
158 e830a908 2005-11-06 devnull Rune buf[2][20], *rp;
159 e830a908 2005-11-06 devnull int i, n;
161 e830a908 2005-11-06 devnull USED(v);
162 e830a908 2005-11-06 devnull threadsetname("keyboardthread");
164 e830a908 2005-11-06 devnull for(;;){
165 e830a908 2005-11-06 devnull rp = buf[n];
166 e830a908 2005-11-06 devnull n = 1-n;
167 e830a908 2005-11-06 devnull recv(keyboardctl->c, rp);
168 e830a908 2005-11-06 devnull for(i=1; i<nelem(buf[0])-1; i++)
169 e830a908 2005-11-06 devnull if(nbrecv(keyboardctl->c, rp+i) <= 0)
171 e830a908 2005-11-06 devnull rp[i] = L'\0';
172 e830a908 2005-11-06 devnull sendp(w->ck, rp);
177 e830a908 2005-11-06 devnull resizethread(void *v)
179 c935adc6 2005-11-10 devnull Point p;
181 e830a908 2005-11-06 devnull USED(v);
183 baa6e34b 2005-11-30 devnull for(;;){
184 c935adc6 2005-11-10 devnull p = stringsize(display->defaultfont, "0");
185 c935adc6 2005-11-10 devnull if(p.x && p.y)
186 cf21e2e6 2005-11-11 devnull updatewinsize(Dy(screen->r)/p.y, (Dx(screen->r)-Scrollwid-2)/p.x,
187 c935adc6 2005-11-10 devnull Dx(screen->r), Dy(screen->r));
188 bcc96c1d 2005-11-11 devnull wresize(w, screen, 0);
189 bcc96c1d 2005-11-11 devnull flushimage(display, 1);
190 baa6e34b 2005-11-30 devnull if(recv(mousectl->resizec, nil) != 1)
192 baa6e34b 2005-11-30 devnull if(getwindow(display, Refnone) < 0)
193 baa6e34b 2005-11-30 devnull sysfatal("can't reattach to window");
198 e830a908 2005-11-06 devnull mousethread(void *v)
200 e830a908 2005-11-06 devnull int sending;
201 e830a908 2005-11-06 devnull Mouse tmp;
203 e830a908 2005-11-06 devnull USED(v);
205 e830a908 2005-11-06 devnull sending = FALSE;
206 e830a908 2005-11-06 devnull threadsetname("mousethread");
207 e830a908 2005-11-06 devnull while(readmouse(mousectl) >= 0){
208 e830a908 2005-11-06 devnull if(sending){
210 e830a908 2005-11-06 devnull /* send to window */
211 e830a908 2005-11-06 devnull if(mouse->buttons == 0)
212 e830a908 2005-11-06 devnull sending = FALSE;
214 e830a908 2005-11-06 devnull wsetcursor(w, 0);
215 e830a908 2005-11-06 devnull tmp = mousectl->m;
216 e830a908 2005-11-06 devnull send(w->mc.c, &tmp);
217 e830a908 2005-11-06 devnull continue;
219 a0205bea 2005-11-06 devnull if((mouse->buttons&1) || ptinrect(mouse->xy, w->scrollr)){
220 e830a908 2005-11-06 devnull sending = TRUE;
221 e830a908 2005-11-06 devnull goto Send;
222 e830a908 2005-11-06 devnull }else if(mouse->buttons&2)
223 e830a908 2005-11-06 devnull button2menu(w);
225 d879e173 2005-11-26 devnull bouncemouse(mouse);
230 e830a908 2005-11-06 devnull wborder(Window *w, int type)
235 e830a908 2005-11-06 devnull wpointto(Point pt)
237 e830a908 2005-11-06 devnull return w;
241 e830a908 2005-11-06 devnull new(Image *i, int hideit, int scrollit, int pid, char *dir, char *cmd, char **argv)
243 e830a908 2005-11-06 devnull Window *w;
244 e830a908 2005-11-06 devnull Mousectl *mc;
245 e830a908 2005-11-06 devnull Channel *cm, *ck, *cctl;
247 e830a908 2005-11-06 devnull if(i == nil)
248 e830a908 2005-11-06 devnull return nil;
249 e830a908 2005-11-06 devnull cm = chancreate(sizeof(Mouse), 0);
250 e830a908 2005-11-06 devnull ck = chancreate(sizeof(Rune*), 0);
251 e830a908 2005-11-06 devnull cctl = chancreate(sizeof(Wctlmesg), 4);
252 e830a908 2005-11-06 devnull if(cm==nil || ck==nil || cctl==nil)
253 e830a908 2005-11-06 devnull error("new: channel alloc failed");
254 e830a908 2005-11-06 devnull mc = emalloc(sizeof(Mousectl));
255 e830a908 2005-11-06 devnull *mc = *mousectl;
256 cbeb0b26 2006-04-01 devnull /* mc->image = i; */
257 e830a908 2005-11-06 devnull mc->c = cm;
258 e830a908 2005-11-06 devnull w = wmk(i, mc, ck, cctl, scrollit);
259 e830a908 2005-11-06 devnull free(mc); /* wmk copies *mc */
260 e830a908 2005-11-06 devnull window = erealloc(window, ++nwindow*sizeof(Window*));
261 e830a908 2005-11-06 devnull window[nwindow-1] = w;
262 e830a908 2005-11-06 devnull if(hideit){
263 e830a908 2005-11-06 devnull hidden[nhidden++] = w;
264 e830a908 2005-11-06 devnull w->screenr = ZR;
266 7fe619f7 2005-12-29 devnull threadcreate(winctl, w, STACK);
267 e830a908 2005-11-06 devnull if(!hideit)
268 e830a908 2005-11-06 devnull wcurrent(w);
269 e830a908 2005-11-06 devnull flushimage(display, 1);
270 e830a908 2005-11-06 devnull wsetpid(w, pid, 1);
271 e830a908 2005-11-06 devnull wsetname(w);
273 e830a908 2005-11-06 devnull w->dir = estrdup(dir);
274 e830a908 2005-11-06 devnull return w;
278 e830a908 2005-11-06 devnull * Button 2 menu. Extra entry for always cook
280 e830a908 2005-11-06 devnull int cooked;
293 e830a908 2005-11-06 devnull char *menu2str[] = {
295 e830a908 2005-11-06 devnull "paste",
296 e830a908 2005-11-06 devnull "snarf",
297 e830a908 2005-11-06 devnull "plumb",
299 e830a908 2005-11-06 devnull "scroll",
305 e830a908 2005-11-06 devnull Menu menu2 =
307 e830a908 2005-11-06 devnull menu2str
310 e830a908 2005-11-06 devnull Rune newline[] = { '\n' };
313 e830a908 2005-11-06 devnull button2menu(Window *w)
315 e830a908 2005-11-06 devnull if(w->deleted)
317 e830a908 2005-11-06 devnull incref(&w->ref);
318 e830a908 2005-11-06 devnull if(w->scrolling)
319 e830a908 2005-11-06 devnull menu2str[Scroll] = "noscroll";
321 e830a908 2005-11-06 devnull menu2str[Scroll] = "scroll";
322 e830a908 2005-11-06 devnull if(cooked)
323 e830a908 2005-11-06 devnull menu2str[Cook] = "nocook";
325 e830a908 2005-11-06 devnull menu2str[Cook] = "cook";
327 e830a908 2005-11-06 devnull switch(menuhit(2, mousectl, &menu2, wscreen)){
328 e830a908 2005-11-06 devnull case Cut:
329 e830a908 2005-11-06 devnull wsnarf(w);
330 e830a908 2005-11-06 devnull wcut(w);
331 e830a908 2005-11-06 devnull wscrdraw(w);
334 e830a908 2005-11-06 devnull case Snarf:
335 e830a908 2005-11-06 devnull wsnarf(w);
338 e830a908 2005-11-06 devnull case Paste:
339 3fd51250 2005-11-07 devnull riogetsnarf();
340 e830a908 2005-11-06 devnull wpaste(w);
341 e830a908 2005-11-06 devnull wscrdraw(w);
344 e830a908 2005-11-06 devnull case Plumb:
345 e830a908 2005-11-06 devnull wplumb(w);
348 e830a908 2005-11-06 devnull case Send:
349 3fd51250 2005-11-07 devnull riogetsnarf();
350 e830a908 2005-11-06 devnull wsnarf(w);
351 e830a908 2005-11-06 devnull if(nsnarf == 0)
353 e830a908 2005-11-06 devnull if(w->rawing){
354 e830a908 2005-11-06 devnull waddraw(w, snarf, nsnarf);
355 e830a908 2005-11-06 devnull if(snarf[nsnarf-1]!='\n' && snarf[nsnarf-1]!='\004')
356 e830a908 2005-11-06 devnull waddraw(w, newline, 1);
358 e830a908 2005-11-06 devnull winsert(w, snarf, nsnarf, w->nr);
359 e830a908 2005-11-06 devnull if(snarf[nsnarf-1]!='\n' && snarf[nsnarf-1]!='\004')
360 e830a908 2005-11-06 devnull winsert(w, newline, 1, w->nr);
362 e830a908 2005-11-06 devnull wsetselect(w, w->nr, w->nr);
363 e830a908 2005-11-06 devnull wshow(w, w->nr);
366 e830a908 2005-11-06 devnull case Scroll:
367 e830a908 2005-11-06 devnull if(w->scrolling ^= 1)
368 e830a908 2005-11-06 devnull wshow(w, w->nr);
371 e830a908 2005-11-06 devnull case Cook:
372 e830a908 2005-11-06 devnull cooked ^= 1;
375 e830a908 2005-11-06 devnull wclose(w);
376 e830a908 2005-11-06 devnull wsendctlmesg(w, Wakeup, ZR, nil);
377 e830a908 2005-11-06 devnull flushimage(display, 1);
381 e830a908 2005-11-06 devnull rawon(void)
383 e830a908 2005-11-06 devnull return !cooked && !isecho(sfd);
387 e830a908 2005-11-06 devnull * I/O with child rc.
390 e830a908 2005-11-06 devnull int label(Rune*, int);
393 e830a908 2005-11-06 devnull rcoutputproc(void *arg)
395 e830a908 2005-11-06 devnull int i, cnt, n, nb, nr;
396 e830a908 2005-11-06 devnull static char data[9000];
397 e830a908 2005-11-06 devnull Conswritemesg cwm;
398 e830a908 2005-11-06 devnull Rune *r;
399 e830a908 2005-11-06 devnull Stringpair pair;
402 e830a908 2005-11-06 devnull cnt = 0;
403 e830a908 2005-11-06 devnull for(;;){
404 e830a908 2005-11-06 devnull /* XXX Let typing have a go -- maybe there's a rubout waiting. */
405 e830a908 2005-11-06 devnull i = 1-i;
406 e830a908 2005-11-06 devnull n = read(rcfd, data+cnt, sizeof data-cnt);
407 e830a908 2005-11-06 devnull if(n <= 0){
408 e830a908 2005-11-06 devnull if(n < 0)
409 e830a908 2005-11-06 devnull fprint(2, "9term: rc read error: %r\n");
410 e830a908 2005-11-06 devnull threadexitsall("eof on rc output");
412 e830a908 2005-11-06 devnull cnt += n;
413 e830a908 2005-11-06 devnull r = runemalloc(cnt);
414 e830a908 2005-11-06 devnull cvttorunes(data, cnt-UTFmax, r, &nb, &nr, nil);
415 e830a908 2005-11-06 devnull /* approach end of buffer */
416 e830a908 2005-11-06 devnull while(fullrune(data+nb, cnt-nb)){
417 e830a908 2005-11-06 devnull nb += chartorune(&r[nr], data+nb);
418 e830a908 2005-11-06 devnull if(r[nr])
421 e830a908 2005-11-06 devnull if(nb < cnt)
422 e830a908 2005-11-06 devnull memmove(data, data+nb, cnt-nb);
423 e830a908 2005-11-06 devnull cnt -= nb;
425 e830a908 2005-11-06 devnull nr = label(r, nr);
426 e830a908 2005-11-06 devnull if(nr == 0)
427 e830a908 2005-11-06 devnull continue;
429 e830a908 2005-11-06 devnull recv(w->conswrite, &cwm);
430 e830a908 2005-11-06 devnull pair.s = r;
431 e830a908 2005-11-06 devnull pair.ns = nr;
432 e830a908 2005-11-06 devnull send(cwm.cw, &pair);
437 10ab06a7 2005-11-06 devnull winterrupt(Window *w)
439 10ab06a7 2005-11-06 devnull char rubout[1];
441 10ab06a7 2005-11-06 devnull USED(w);
442 10ab06a7 2005-11-06 devnull rubout[0] = getintr(sfd);
443 10ab06a7 2005-11-06 devnull write(rcfd, rubout, 1);
447 e830a908 2005-11-06 devnull * Process in-band messages about window title changes.
448 e830a908 2005-11-06 devnull * The messages are of the form:
450 e830a908 2005-11-06 devnull * \033];xxx\007
452 e830a908 2005-11-06 devnull * where xxx is the new directory. This format was chosen
453 e830a908 2005-11-06 devnull * because it changes the label on xterm windows.
456 e830a908 2005-11-06 devnull label(Rune *sr, int n)
458 e830a908 2005-11-06 devnull Rune *sl, *el, *er, *r;
459 e830a908 2005-11-06 devnull char *p, *dir;
461 e830a908 2005-11-06 devnull er = sr+n;
462 e830a908 2005-11-06 devnull for(r=er-1; r>=sr; r--)
463 e830a908 2005-11-06 devnull if(*r == '\007')
465 e830a908 2005-11-06 devnull if(r < sr)
466 e830a908 2005-11-06 devnull return n;
468 e830a908 2005-11-06 devnull el = r+1;
469 e830a908 2005-11-06 devnull for(sl=el-3; sl>=sr; sl--)
470 e830a908 2005-11-06 devnull if(sl[0]=='\033' && sl[1]==']' && sl[2]==';')
472 e830a908 2005-11-06 devnull if(sl < sr)
473 e830a908 2005-11-06 devnull return n;
475 e830a908 2005-11-06 devnull dir = smprint("%.*S", (el-1)-(sl+3), sl+3);
476 e830a908 2005-11-06 devnull if(dir){
477 e830a908 2005-11-06 devnull drawsetlabel(dir);
478 e830a908 2005-11-06 devnull free(w->dir);
479 e830a908 2005-11-06 devnull w->dir = dir;
482 e830a908 2005-11-06 devnull /* remove trailing /-sysname if present */
483 e830a908 2005-11-06 devnull p = strrchr(dir, '/');
484 e830a908 2005-11-06 devnull if(p && *(p+1) == '-'){
485 e830a908 2005-11-06 devnull if(p == dir)
490 e830a908 2005-11-06 devnull runemove(sl, el, er-el);
491 e830a908 2005-11-06 devnull n -= (el-sl);
492 e830a908 2005-11-06 devnull return n;
496 e830a908 2005-11-06 devnull rcinputproc(void *arg)
498 e830a908 2005-11-06 devnull static char data[9000];
500 e830a908 2005-11-06 devnull Consreadmesg crm;
501 e830a908 2005-11-06 devnull Channel *c1, *c2;
502 e830a908 2005-11-06 devnull Stringpair pair;
504 e830a908 2005-11-06 devnull for(;;){
505 e830a908 2005-11-06 devnull recv(w->consread, &crm);
506 e830a908 2005-11-06 devnull c1 = crm.c1;
507 e830a908 2005-11-06 devnull c2 = crm.c2;
509 e830a908 2005-11-06 devnull pair.s = data;
510 e830a908 2005-11-06 devnull pair.ns = sizeof data;
511 e830a908 2005-11-06 devnull send(c1, &pair);
512 e830a908 2005-11-06 devnull recv(c2, &pair);
514 e830a908 2005-11-06 devnull s = setecho(sfd, 0);
515 e830a908 2005-11-06 devnull if(write(rcfd, pair.s, pair.ns) < 0)
516 e830a908 2005-11-06 devnull threadexitsall(nil);
518 e830a908 2005-11-06 devnull setecho(sfd, s);
523 c935adc6 2005-11-10 devnull * Snarf buffer - rio uses runes internally
526 3fd51250 2005-11-07 devnull rioputsnarf(void)
528 3fd51250 2005-11-07 devnull char *s;
530 3fd51250 2005-11-07 devnull s = smprint("%.*S", nsnarf, snarf);
532 3fd51250 2005-11-07 devnull putsnarf(s);
533 3fd51250 2005-11-07 devnull free(s);
538 3fd51250 2005-11-07 devnull riogetsnarf(void)
540 3fd51250 2005-11-07 devnull char *s;
541 3fd51250 2005-11-07 devnull int n, nb, nulls;
543 3fd51250 2005-11-07 devnull s = getsnarf();
544 3fd51250 2005-11-07 devnull if(s == nil)
546 3fd51250 2005-11-07 devnull n = strlen(s)+1;
547 3fd51250 2005-11-07 devnull free(snarf);
548 3fd51250 2005-11-07 devnull snarf = runemalloc(n);
549 3fd51250 2005-11-07 devnull cvttorunes(s, n, snarf, &nb, &nsnarf, &nulls);
550 3fd51250 2005-11-07 devnull free(s);
554 c935adc6 2005-11-10 devnull * Clumsy hack to make " and "" work.
555 c935adc6 2005-11-10 devnull * Then again, what's not a clumsy hack here in Unix land?
558 c935adc6 2005-11-10 devnull char adir[100];
559 c935adc6 2005-11-10 devnull char thesocket[100];
560 c935adc6 2005-11-10 devnull int afd;
562 c935adc6 2005-11-10 devnull void listenproc(void*);
563 c935adc6 2005-11-10 devnull void textproc(void*);
566 c935adc6 2005-11-10 devnull removethesocket(void)
568 c935adc6 2005-11-10 devnull if(thesocket[0])
569 c935adc6 2005-11-10 devnull if(remove(thesocket) < 0)
570 c935adc6 2005-11-10 devnull fprint(2, "remove %s: %r\n", thesocket);
574 c935adc6 2005-11-10 devnull servedevtext(void)
576 c935adc6 2005-11-10 devnull char buf[100];
578 c935adc6 2005-11-10 devnull snprint(buf, sizeof buf, "unix!/tmp/9term-text.%d", getpid());
580 c935adc6 2005-11-10 devnull if((afd = announce(buf, adir)) < 0){
581 c935adc6 2005-11-10 devnull putenv("text9term", "");
585 c935adc6 2005-11-10 devnull putenv("text9term", buf);
586 c935adc6 2005-11-10 devnull proccreate(listenproc, nil, STACK);
587 c935adc6 2005-11-10 devnull strcpy(thesocket, buf+5);
588 c935adc6 2005-11-10 devnull atexit(removethesocket);
592 c935adc6 2005-11-10 devnull listenproc(void *arg)
595 c935adc6 2005-11-10 devnull char dir[100];
597 bcc96c1d 2005-11-11 devnull threadsetname("listen %s", thesocket);
598 c935adc6 2005-11-10 devnull USED(arg);
599 c935adc6 2005-11-10 devnull for(;;){
600 c935adc6 2005-11-10 devnull fd = listen(adir, dir);
601 c935adc6 2005-11-10 devnull if(fd < 0){
602 c935adc6 2005-11-10 devnull close(afd);
605 e58459c7 2005-12-29 devnull proccreate(textproc, (void*)(uintptr)fd, STACK);
610 c935adc6 2005-11-10 devnull textproc(void *arg)
612 c935adc6 2005-11-10 devnull int fd, i, x, n, end;
614 c935adc6 2005-11-10 devnull char buf[4096], *p, *ep;
616 bcc96c1d 2005-11-11 devnull threadsetname("textproc");
617 e58459c7 2005-12-29 devnull fd = (uintptr)arg;
618 c935adc6 2005-11-10 devnull p = buf;
619 c935adc6 2005-11-10 devnull ep = buf+sizeof buf;
620 c21d0ab4 2005-11-11 devnull if(w == nil){
621 c21d0ab4 2005-11-11 devnull close(fd);
624 c935adc6 2005-11-10 devnull end = w->org+w->nr; /* avoid possible output loop */
625 c935adc6 2005-11-10 devnull for(i=w->org;; i++){
626 c935adc6 2005-11-10 devnull if(i >= end || ep-p < UTFmax){
627 c935adc6 2005-11-10 devnull for(x=0; x<p-buf; x+=n)
628 c935adc6 2005-11-10 devnull if((n = write(fd, buf+x, (p-x)-buf)) <= 0)
629 c935adc6 2005-11-10 devnull goto break2;
631 c935adc6 2005-11-10 devnull if(i >= end)
633 c935adc6 2005-11-10 devnull p = buf;
635 c935adc6 2005-11-10 devnull if(i < w->org)
636 c935adc6 2005-11-10 devnull i = w->org;
637 c935adc6 2005-11-10 devnull r = w->r[i-w->org];
638 c935adc6 2005-11-10 devnull if(r < Runeself)
639 c935adc6 2005-11-10 devnull *p++ = r;
641 c935adc6 2005-11-10 devnull p += runetochar(p, &r);
644 c935adc6 2005-11-10 devnull close(fd);
