source: mainline/uspace/srv/console/console.c@ 7ce3cb2

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7ce3cb2 was 7ce3cb2, checked in by Jiri Svoboda <jirik.svoboda@…>, 16 years ago

Define wchar_t in userspace. Use it in fb and console.
  • Property mode set to 100644
File size: 17.9 KB
Line 
1/*
2 * Copyright (c) 2006 Josef Cejka
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup console
30 * @{
31 */
32/** @file
33 */
34
35#include <libc.h>
36#include <fb.h>
37#include <ipc/ipc.h>
38#include <kbd.h>
39#include <kbd/keycode.h>
40#include <ipc/fb.h>
41#include <ipc/services.h>
42#include <errno.h>
43#include <key_buffer.h>
44#include <ipc/console.h>
45#include <unistd.h>
46#include <async.h>
47#include <libadt/fifo.h>
48#include <screenbuffer.h>
49#include <sys/mman.h>
50#include <stdio.h>
51#include <sysinfo.h>
52#include <event.h>
53
54#include "console.h"
55#include "gcons.h"
56
57#define MAX_KEYREQUESTS_BUFFERED 32
58
59#define NAME "console"
60
61/** Index of currently used virtual console.
62 */
63int active_console = 0;
64int prev_console = 0;
65
66/** Information about framebuffer */
67struct {
68 int phone; /**< Framebuffer phone */
69 ipcarg_t rows; /**< Framebuffer rows */
70 ipcarg_t cols; /**< Framebuffer columns */
71} fb_info;
72
73typedef struct {
74 keybuffer_t keybuffer; /**< Buffer for incoming keys. */
75 /** Buffer for unsatisfied request for keys. */
76 FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
77 MAX_KEYREQUESTS_BUFFERED);
78 int keyrequest_counter; /**< Number of requests in buffer. */
79 int client_phone; /**< Phone to connected client. */
80 int used; /**< 1 if this virtual console is
81 * connected to some client.*/
82 screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
83 * contents and related settings. */
84} connection_t;
85
86static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
87 * consoles */
88static keyfield_t *interbuffer = NULL; /**< Pointer to memory shared
89 * with framebufer used for
90 * faster virtual console
91 * switching */
92
93/** Information on row-span yet unsent to FB driver. */
94struct {
95 int row; /**< Row where the span lies. */
96 int col; /**< Leftmost column of the span. */
97 int n; /**< Width of the span. */
98} fb_pending;
99
100/** Size of cwrite_buf. */
101#define CWRITE_BUF_SIZE 256
102
103/** Buffer for receiving data via the CONSOLE_WRITE call from the client. */
104static char cwrite_buf[CWRITE_BUF_SIZE];
105
106static void fb_putchar(wchar_t c, int row, int col);
107
108
109/** Find unused virtual console.
110 *
111 */
112static int find_free_connection(void)
113{
114 int i;
115
116 for (i = 0; i < CONSOLE_COUNT; i++) {
117 if (!connections[i].used)
118 return i;
119 }
120 return -1;
121}
122
123static void clrscr(void)
124{
125 async_msg_0(fb_info.phone, FB_CLEAR);
126}
127
128static void curs_visibility(bool visible)
129{
130 async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
131}
132
133static void curs_hide_sync(void)
134{
135 ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
136}
137
138static void curs_goto(int row, int col)
139{
140 async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
141}
142
143static void set_style(int style)
144{
145 async_msg_1(fb_info.phone, FB_SET_STYLE, style);
146}
147
148static void set_color(int fgcolor, int bgcolor, int flags)
149{
150 async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
151}
152
153static void set_rgb_color(int fgcolor, int bgcolor)
154{
155 async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
156}
157
158static void set_attrs(attrs_t *attrs)
159{
160 switch (attrs->t) {
161 case at_style:
162 set_style(attrs->a.s.style);
163 break;
164
165 case at_idx:
166 set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
167 attrs->a.i.flags);
168 break;
169
170 case at_rgb:
171 set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
172 break;
173 }
174}
175
176/** Send an area of screenbuffer to the FB driver. */
177static void fb_update_area(connection_t *conn, int x, int y, int w, int h)
178{
179 int i, j;
180 int rc;
181 attrs_t *attrs;
182 keyfield_t *field;
183
184 if (interbuffer) {
185 for (j = 0; j < h; j++) {
186 for (i = 0; i < w; i++) {
187 interbuffer[i + j * w] =
188 *get_field_at(&conn->screenbuffer,
189 x + i, y + j);
190 }
191 }
192
193 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
194 x, y, w, h);
195 } else {
196 rc = ENOTSUP;
197 }
198
199 if (rc != 0) {
200 attrs = &conn->screenbuffer.attrs;
201
202 for (j = 0; j < h; j++) {
203 for (i = 0; i < w; i++) {
204 field = get_field_at(&conn->screenbuffer,
205 x + i, y + j);
206 if (!attrs_same(*attrs, field->attrs))
207 set_attrs(&field->attrs);
208 attrs = &field->attrs;
209
210 fb_putchar(field->character, y + j, x + i);
211 }
212 }
213 }
214}
215
216/** Flush pending cells to FB. */
217static void fb_pending_flush(void)
218{
219 screenbuffer_t *scr;
220
221 scr = &(connections[active_console].screenbuffer);
222
223 if (fb_pending.n > 0) {
224 fb_update_area(&connections[active_console], fb_pending.col,
225 fb_pending.row, fb_pending.n, 1);
226 fb_pending.n = 0;
227 }
228}
229
230/** Mark a character cell as changed.
231 *
232 * This adds the cell to the pending rowspan if possible. Otherwise
233 * the old span is flushed first.
234 */
235static void cell_mark_changed(int row, int col)
236{
237 if (fb_pending.n != 0) {
238 if (row != fb_pending.row ||
239 col != fb_pending.col + fb_pending.n) {
240 fb_pending_flush();
241 }
242 }
243
244 if (fb_pending.n == 0) {
245 fb_pending.row = row;
246 fb_pending.col = col;
247 }
248
249 ++fb_pending.n;
250}
251
252
253/** Print a character to the active VC with buffering. */
254static void fb_putchar(wchar_t c, int row, int col)
255{
256 async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
257}
258
259/** Process a character from the client (TTY emulation). */
260static void write_char(int console, wchar_t ch)
261{
262 bool flush_cursor = false;
263 screenbuffer_t *scr = &(connections[console].screenbuffer);
264
265 switch (ch) {
266 case '\n':
267 fb_pending_flush();
268 flush_cursor = true;
269 scr->position_y++;
270 scr->position_x = 0;
271 break;
272 case '\r':
273 break;
274 case '\t':
275 scr->position_x += 8;
276 scr->position_x -= scr->position_x % 8;
277 break;
278 case '\b':
279 if (scr->position_x == 0)
280 break;
281 scr->position_x--;
282 if (console == active_console)
283 cell_mark_changed(scr->position_y, scr->position_x);
284 screenbuffer_putchar(scr, ' ');
285 break;
286 default:
287 if (console == active_console)
288 cell_mark_changed(scr->position_y, scr->position_x);
289
290 screenbuffer_putchar(scr, ch);
291 scr->position_x++;
292 }
293
294 if (scr->position_x >= scr->size_x) {
295 flush_cursor = true;
296 scr->position_y++;
297 }
298
299 if (scr->position_y >= scr->size_y) {
300 fb_pending_flush();
301 scr->position_y = scr->size_y - 1;
302 screenbuffer_clear_line(scr, scr->top_line);
303 scr->top_line = (scr->top_line + 1) % scr->size_y;
304 if (console == active_console)
305 async_msg_1(fb_info.phone, FB_SCROLL, 1);
306 }
307
308 scr->position_x = scr->position_x % scr->size_x;
309
310 if (console == active_console && flush_cursor)
311 curs_goto(scr->position_y, scr->position_x);
312}
313
314/** Switch to new console */
315static void change_console(int newcons)
316{
317 connection_t *conn;
318 int i, j, rc;
319 keyfield_t *field;
320 attrs_t *attrs;
321
322 if (newcons == active_console)
323 return;
324
325 fb_pending_flush();
326
327 if (newcons == KERNEL_CONSOLE) {
328 async_serialize_start();
329 curs_hide_sync();
330 gcons_in_kernel();
331 async_serialize_end();
332
333 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
334 prev_console = active_console;
335 active_console = KERNEL_CONSOLE;
336 } else
337 newcons = active_console;
338 }
339
340 if (newcons != KERNEL_CONSOLE) {
341 async_serialize_start();
342
343 if (active_console == KERNEL_CONSOLE)
344 gcons_redraw_console();
345
346 active_console = newcons;
347 gcons_change_console(newcons);
348 conn = &connections[active_console];
349
350 set_attrs(&conn->screenbuffer.attrs);
351 curs_visibility(false);
352 if (interbuffer) {
353 for (j = 0; j < conn->screenbuffer.size_y; j++) {
354 for (i = 0; i < conn->screenbuffer.size_x; i++) {
355 unsigned int size_x;
356
357 size_x = conn->screenbuffer.size_x;
358 interbuffer[j * size_x + i] =
359 *get_field_at(&conn->screenbuffer, i, j);
360 }
361 }
362 /* This call can preempt, but we are already at the end */
363 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
364 0, 0, conn->screenbuffer.size_x,
365 conn->screenbuffer.size_y);
366 }
367
368 if ((!interbuffer) || (rc != 0)) {
369 set_attrs(&conn->screenbuffer.attrs);
370 clrscr();
371 attrs = &conn->screenbuffer.attrs;
372
373 for (j = 0; j < conn->screenbuffer.size_y; j++)
374 for (i = 0; i < conn->screenbuffer.size_x; i++) {
375 field = get_field_at(&conn->screenbuffer, i, j);
376 if (!attrs_same(*attrs, field->attrs))
377 set_attrs(&field->attrs);
378 attrs = &field->attrs;
379 if ((field->character == ' ') &&
380 (attrs_same(field->attrs,
381 conn->screenbuffer.attrs)))
382 continue;
383
384 fb_putchar(field->character, j, i);
385 }
386 }
387
388 curs_goto(conn->screenbuffer.position_y,
389 conn->screenbuffer.position_x);
390 curs_visibility(conn->screenbuffer.is_cursor_visible);
391
392 async_serialize_end();
393 }
394}
395
396/** Handler for keyboard */
397static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
398{
399 ipc_callid_t callid;
400 ipc_call_t call;
401 int retval;
402 kbd_event_t ev;
403 connection_t *conn;
404 int newcon;
405
406 /* Ignore parameters, the connection is alread opened */
407 while (1) {
408 callid = async_get_call(&call);
409 switch (IPC_GET_METHOD(call)) {
410 case IPC_M_PHONE_HUNGUP:
411 /* TODO: Handle hangup */
412 return;
413 case KBD_MS_LEFT:
414 newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
415 if (newcon != -1)
416 change_console(newcon);
417 retval = 0;
418 break;
419 case KBD_MS_MOVE:
420 gcons_mouse_move(IPC_GET_ARG1(call),
421 IPC_GET_ARG2(call));
422 retval = 0;
423 break;
424 case KBD_EVENT:
425 /* Got event from keyboard driver. */
426 retval = 0;
427 ev.type = IPC_GET_ARG1(call);
428 ev.key = IPC_GET_ARG2(call);
429 ev.mods = IPC_GET_ARG3(call);
430 ev.c = IPC_GET_ARG4(call);
431
432 /* switch to another virtual console */
433
434 conn = &connections[active_console];
435
436 if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
437 CONSOLE_COUNT)) {
438 if (ev.key == KC_F12)
439 change_console(KERNEL_CONSOLE);
440 else
441 change_console(ev.key - KC_F1);
442 break;
443 }
444
445 /* if client is awaiting key, send it */
446 if (conn->keyrequest_counter > 0) {
447 conn->keyrequest_counter--;
448 ipc_answer_4(fifo_pop(conn->keyrequests), EOK,
449 ev.type, ev.key, ev.mods, ev.c);
450 break;
451 }
452
453 keybuffer_push(&conn->keybuffer, &ev);
454 retval = 0;
455
456 break;
457 default:
458 retval = ENOENT;
459 }
460 ipc_answer_0(callid, retval);
461 }
462}
463
464/** Handle CONSOLE_WRITE call. */
465static void cons_write(int consnum, ipc_callid_t rid, ipc_call_t *request)
466{
467 ipc_callid_t callid;
468 size_t len;
469 size_t i;
470
471 if (!ipc_data_write_receive(&callid, &len)) {
472 ipc_answer_0(callid, EINVAL);
473 ipc_answer_0(rid, EINVAL);
474 }
475
476 if (len > CWRITE_BUF_SIZE)
477 len = CWRITE_BUF_SIZE;
478
479 (void) ipc_data_write_finalize(callid, cwrite_buf, len);
480
481 for (i = 0; i < len; i++) {
482 write_char(consnum, cwrite_buf[i]);
483 }
484
485 gcons_notify_char(consnum);
486 ipc_answer_1(rid, EOK, len);
487}
488
489/** Default thread for new connections */
490static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
491{
492 ipc_callid_t callid;
493 ipc_call_t call;
494 int consnum;
495 ipcarg_t arg1, arg2, arg3, arg4;
496 connection_t *conn;
497 screenbuffer_t *scr;
498
499 if ((consnum = find_free_connection()) == -1) {
500 ipc_answer_0(iid, ELIMIT);
501 return;
502 }
503 conn = &connections[consnum];
504 conn->used = 1;
505
506 async_serialize_start();
507 gcons_notify_connect(consnum);
508 conn->client_phone = IPC_GET_ARG5(*icall);
509 screenbuffer_clear(&conn->screenbuffer);
510
511 /* Accept the connection */
512 ipc_answer_0(iid, EOK);
513
514 while (1) {
515 async_serialize_end();
516 callid = async_get_call(&call);
517 async_serialize_start();
518
519 arg1 = 0;
520 arg2 = 0;
521 arg3 = 0;
522 arg4 = 0;
523
524 switch (IPC_GET_METHOD(call)) {
525 case IPC_M_PHONE_HUNGUP:
526 gcons_notify_disconnect(consnum);
527
528 /* Answer all pending requests */
529 while (conn->keyrequest_counter > 0) {
530 conn->keyrequest_counter--;
531 ipc_answer_0(fifo_pop(conn->keyrequests),
532 ENOENT);
533 break;
534 }
535 conn->used = 0;
536 return;
537 case CONSOLE_PUTCHAR:
538 write_char(consnum, IPC_GET_ARG1(call));
539 gcons_notify_char(consnum);
540 break;
541 case CONSOLE_WRITE:
542 cons_write(consnum, callid, &call);
543 continue;
544 case CONSOLE_CLEAR:
545 /* Send message to fb */
546 if (consnum == active_console) {
547 async_msg_0(fb_info.phone, FB_CLEAR);
548 }
549
550 screenbuffer_clear(&conn->screenbuffer);
551
552 break;
553 case CONSOLE_GOTO:
554 screenbuffer_goto(&conn->screenbuffer,
555 IPC_GET_ARG2(call), IPC_GET_ARG1(call));
556 if (consnum == active_console)
557 curs_goto(IPC_GET_ARG1(call),
558 IPC_GET_ARG2(call));
559 break;
560 case CONSOLE_GETSIZE:
561 arg1 = fb_info.rows;
562 arg2 = fb_info.cols;
563 break;
564 case CONSOLE_FLUSH:
565 fb_pending_flush();
566 if (consnum == active_console) {
567 async_req_0_0(fb_info.phone, FB_FLUSH);
568
569 scr = &(connections[consnum].screenbuffer);
570 curs_goto(scr->position_y, scr->position_x);
571 }
572 break;
573 case CONSOLE_SET_STYLE:
574 fb_pending_flush();
575 arg1 = IPC_GET_ARG1(call);
576 screenbuffer_set_style(&conn->screenbuffer, arg1);
577 if (consnum == active_console)
578 set_style(arg1);
579 break;
580 case CONSOLE_SET_COLOR:
581 fb_pending_flush();
582 arg1 = IPC_GET_ARG1(call);
583 arg2 = IPC_GET_ARG2(call);
584 arg3 = IPC_GET_ARG3(call);
585 screenbuffer_set_color(&conn->screenbuffer, arg1,
586 arg2, arg3);
587 if (consnum == active_console)
588 set_color(arg1, arg2, arg3);
589 break;
590 case CONSOLE_SET_RGB_COLOR:
591 fb_pending_flush();
592 arg1 = IPC_GET_ARG1(call);
593 arg2 = IPC_GET_ARG2(call);
594 screenbuffer_set_rgb_color(&conn->screenbuffer, arg1,
595 arg2);
596 if (consnum == active_console)
597 set_rgb_color(arg1, arg2);
598 break;
599 case CONSOLE_CURSOR_VISIBILITY:
600 fb_pending_flush();
601 arg1 = IPC_GET_ARG1(call);
602 conn->screenbuffer.is_cursor_visible = arg1;
603 if (consnum == active_console)
604 curs_visibility(arg1);
605 break;
606 case CONSOLE_GETKEY:
607 if (keybuffer_empty(&conn->keybuffer)) {
608 /* buffer is empty -> store request */
609 if (conn->keyrequest_counter <
610 MAX_KEYREQUESTS_BUFFERED) {
611 fifo_push(conn->keyrequests, callid);
612 conn->keyrequest_counter++;
613 } else {
614 /*
615 * No key available and too many
616 * requests => fail.
617 */
618 ipc_answer_0(callid, ELIMIT);
619 }
620 continue;
621 }
622 kbd_event_t ev;
623 keybuffer_pop(&conn->keybuffer, &ev);
624 arg1 = ev.type;
625 arg2 = ev.key;
626 arg3 = ev.mods;
627 arg4 = ev.c;
628 break;
629 case CONSOLE_KCON_ENABLE:
630 change_console(KERNEL_CONSOLE);
631 break;
632 }
633 ipc_answer_4(callid, EOK, arg1, arg2, arg3, arg4);
634 }
635}
636
637static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
638{
639 change_console(prev_console);
640}
641
642int main(int argc, char *argv[])
643{
644 printf(NAME ": HelenOS Console service\n");
645
646 ipcarg_t phonehash;
647 int kbd_phone;
648 size_t ib_size;
649 int i;
650
651 async_set_client_connection(client_connection);
652
653 /* Connect to keyboard driver */
654 kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
655 if (kbd_phone < 0) {
656 printf(NAME ": Failed to connect to keyboard service\n");
657 return -1;
658 }
659
660 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
661 printf(NAME ": Failed to create callback from keyboard service\n");
662 return -1;
663 }
664
665 async_new_connection(phonehash, 0, NULL, keyboard_events);
666
667 /* Connect to framebuffer driver */
668 fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
669 if (fb_info.phone < 0) {
670 printf(NAME ": Failed to connect to video service\n");
671 return -1;
672 }
673
674 /* Disable kernel output to the console */
675 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
676
677 /* Initialize gcons */
678 gcons_init(fb_info.phone);
679 /* Synchronize, the gcons can have something in queue */
680 async_req_0_0(fb_info.phone, FB_FLUSH);
681
682 async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
683 &fb_info.cols);
684 set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
685 clrscr();
686
687 /* Init virtual consoles */
688 for (i = 0; i < CONSOLE_COUNT; i++) {
689 connections[i].used = 0;
690 keybuffer_init(&connections[i].keybuffer);
691
692 connections[i].keyrequests.head = 0;
693 connections[i].keyrequests.tail = 0;
694 connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
695 connections[i].keyrequest_counter = 0;
696
697 if (screenbuffer_init(&connections[i].screenbuffer,
698 fb_info.cols, fb_info.rows) == NULL) {
699 /* FIXME: handle error */
700 return -1;
701 }
702 }
703 connections[KERNEL_CONSOLE].used = 1;
704
705 /* Set up shared memory buffer. */
706 ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
707 interbuffer = as_get_mappable_page(ib_size);
708
709 fb_pending.n = 0;
710
711 if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
712 AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) {
713 interbuffer = NULL;
714 }
715
716 if (interbuffer) {
717 if (ipc_share_out_start(fb_info.phone, interbuffer,
718 AS_AREA_READ) != EOK) {
719 as_area_destroy(interbuffer);
720 interbuffer = NULL;
721 }
722 }
723
724 curs_goto(0, 0);
725 curs_visibility(
726 connections[active_console].screenbuffer.is_cursor_visible);
727
728 /* Register at NS */
729 if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
730 return -1;
731
732 /* Receive kernel notifications */
733 if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
734 printf(NAME ": Error registering kconsole notifications\n");
735
736 async_set_interrupt_received(interrupt_received);
737
738 // FIXME: avoid connectiong to itself, keep using klog
739 // printf(NAME ": Accepting connections\n");
740 async_manager();
741
742 return 0;
743}
744
745/** @}
746 */
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