source: mainline/uspace/srv/console/console.c@ 8b48063

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8b48063 was 3fe00ee, checked in by Jiri Svoboda <jirik.svoboda@…>, 17 years ago

'kcon' shell builtin for switching to debug console.
  • Property mode set to 100644
File size: 18.0 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
53#include "console.h"
54#include "gcons.h"
55
56#define MAX_KEYREQUESTS_BUFFERED 32
57
58#define NAME "console"
59
60/** Index of currently used virtual console.
61 */
62int active_console = 0;
63int prev_console = 0;
64
65/** Information about framebuffer */
66struct {
67 int phone; /**< Framebuffer phone */
68 ipcarg_t rows; /**< Framebuffer rows */
69 ipcarg_t cols; /**< Framebuffer columns */
70} fb_info;
71
72typedef struct {
73 keybuffer_t keybuffer; /**< Buffer for incoming keys. */
74 /** Buffer for unsatisfied request for keys. */
75 FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
76 MAX_KEYREQUESTS_BUFFERED);
77 int keyrequest_counter; /**< Number of requests in buffer. */
78 int client_phone; /**< Phone to connected client. */
79 int used; /**< 1 if this virtual console is
80 * connected to some client.*/
81 screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
82 * contents and related settings. */
83} connection_t;
84
85static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
86 * consoles */
87static keyfield_t *interbuffer = NULL; /**< Pointer to memory shared
88 * with framebufer used for
89 * faster virtual console
90 * switching */
91
92/** Information on row-span yet unsent to FB driver. */
93struct {
94 int row; /**< Row where the span lies. */
95 int col; /**< Leftmost column of the span. */
96 int n; /**< Width of the span. */
97} fb_pending;
98
99/** Size of cwrite_buf. */
100#define CWRITE_BUF_SIZE 256
101
102/** Buffer for receiving data via the CONSOLE_WRITE call from the client. */
103static char cwrite_buf[CWRITE_BUF_SIZE];
104
105static void fb_putchar(char c, int row, int col);
106
107
108/** Find unused virtual console.
109 *
110 */
111static int find_free_connection(void)
112{
113 int i;
114
115 for (i = 0; i < CONSOLE_COUNT; i++) {
116 if (!connections[i].used)
117 return i;
118 }
119 return -1;
120}
121
122static void clrscr(void)
123{
124 async_msg_0(fb_info.phone, FB_CLEAR);
125}
126
127static void curs_visibility(bool visible)
128{
129 async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
130}
131
132static void curs_hide_sync(void)
133{
134 ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
135}
136
137static void curs_goto(int row, int col)
138{
139 async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
140}
141
142static void set_style(int style)
143{
144 async_msg_1(fb_info.phone, FB_SET_STYLE, style);
145}
146
147static void set_color(int fgcolor, int bgcolor, int flags)
148{
149 async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
150}
151
152static void set_rgb_color(int fgcolor, int bgcolor)
153{
154 async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
155}
156
157static void set_attrs(attrs_t *attrs)
158{
159 switch (attrs->t) {
160 case at_style:
161 set_style(attrs->a.s.style);
162 break;
163
164 case at_idx:
165 set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
166 attrs->a.i.flags);
167 break;
168
169 case at_rgb:
170 set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
171 break;
172 }
173}
174
175/** Send an area of screenbuffer to the FB driver. */
176static void fb_update_area(connection_t *conn, int x, int y, int w, int h)
177{
178 int i, j;
179 int rc;
180 attrs_t *attrs;
181 keyfield_t *field;
182
183 if (interbuffer) {
184 for (j = 0; j < h; j++) {
185 for (i = 0; i < w; i++) {
186 interbuffer[i + j * w] =
187 *get_field_at(&conn->screenbuffer,
188 x + i, y + j);
189 }
190 }
191
192 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
193 x, y, w, h);
194 } else {
195 rc = ENOTSUP;
196 }
197
198 if (rc != 0) {
199 attrs = &conn->screenbuffer.attrs;
200
201 for (j = 0; j < h; j++) {
202 for (i = 0; i < w; i++) {
203 field = get_field_at(&conn->screenbuffer,
204 x + i, y + j);
205 if (!attrs_same(*attrs, field->attrs))
206 set_attrs(&field->attrs);
207 attrs = &field->attrs;
208
209 fb_putchar(field->character, y + j, x + i);
210 }
211 }
212 }
213}
214
215/** Flush pending cells to FB. */
216static void fb_pending_flush(void)
217{
218 screenbuffer_t *scr;
219
220 scr = &(connections[active_console].screenbuffer);
221
222 if (fb_pending.n > 0) {
223 fb_update_area(&connections[active_console], fb_pending.col,
224 fb_pending.row, fb_pending.n, 1);
225 fb_pending.n = 0;
226 }
227}
228
229/** Mark a character cell as changed.
230 *
231 * This adds the cell to the pending rowspan if possible. Otherwise
232 * the old span is flushed first.
233 */
234static void cell_mark_changed(int row, int col)
235{
236 if (fb_pending.n != 0) {
237 if (row != fb_pending.row ||
238 col != fb_pending.col + fb_pending.n) {
239 fb_pending_flush();
240 }
241 }
242
243 if (fb_pending.n == 0) {
244 fb_pending.row = row;
245 fb_pending.col = col;
246 }
247
248 ++fb_pending.n;
249}
250
251
252/** Print a character to the active VC with buffering. */
253static void fb_putchar(char c, int row, int col)
254{
255 async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
256}
257
258/** Process a character from the client (TTY emulation). */
259static void write_char(int console, char key)
260{
261 bool flush_cursor = false;
262 screenbuffer_t *scr = &(connections[console].screenbuffer);
263
264 switch (key) {
265 case '\n':
266 fb_pending_flush();
267 flush_cursor = true;
268 scr->position_y++;
269 scr->position_x = 0;
270 break;
271 case '\r':
272 break;
273 case '\t':
274 scr->position_x += 8;
275 scr->position_x -= scr->position_x % 8;
276 break;
277 case '\b':
278 if (scr->position_x == 0)
279 break;
280 scr->position_x--;
281 if (console == active_console)
282 cell_mark_changed(scr->position_y, scr->position_x);
283 screenbuffer_putchar(scr, ' ');
284 break;
285 default:
286 if (console == active_console)
287 cell_mark_changed(scr->position_y, scr->position_x);
288
289 screenbuffer_putchar(scr, key);
290 scr->position_x++;
291 }
292
293 if (scr->position_x >= scr->size_x) {
294 flush_cursor = true;
295 scr->position_y++;
296 }
297
298 if (scr->position_y >= scr->size_y) {
299 fb_pending_flush();
300 scr->position_y = scr->size_y - 1;
301 screenbuffer_clear_line(scr, scr->top_line);
302 scr->top_line = (scr->top_line + 1) % scr->size_y;
303 if (console == active_console)
304 async_msg_1(fb_info.phone, FB_SCROLL, 1);
305 }
306
307 scr->position_x = scr->position_x % scr->size_x;
308
309 if (console == active_console && flush_cursor)
310 curs_goto(scr->position_y, scr->position_x);
311}
312
313/** Switch to new console */
314static void change_console(int newcons)
315{
316 connection_t *conn;
317 int i, j, rc;
318 keyfield_t *field;
319 attrs_t *attrs;
320
321 if (newcons == active_console)
322 return;
323
324 fb_pending_flush();
325
326 if (newcons == KERNEL_CONSOLE) {
327 async_serialize_start();
328 curs_hide_sync();
329 gcons_in_kernel();
330 async_serialize_end();
331
332 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
333 prev_console = active_console;
334 active_console = KERNEL_CONSOLE;
335 } else
336 newcons = active_console;
337 }
338
339 if (newcons != KERNEL_CONSOLE) {
340 async_serialize_start();
341
342 if (active_console == KERNEL_CONSOLE)
343 gcons_redraw_console();
344
345 active_console = newcons;
346 gcons_change_console(newcons);
347 conn = &connections[active_console];
348
349 set_attrs(&conn->screenbuffer.attrs);
350 curs_visibility(false);
351 if (interbuffer) {
352 for (j = 0; j < conn->screenbuffer.size_y; j++) {
353 for (i = 0; i < conn->screenbuffer.size_x; i++) {
354 unsigned int size_x;
355
356 size_x = conn->screenbuffer.size_x;
357 interbuffer[j * size_x + i] =
358 *get_field_at(&conn->screenbuffer, i, j);
359 }
360 }
361 /* This call can preempt, but we are already at the end */
362 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
363 0, 0, conn->screenbuffer.size_x,
364 conn->screenbuffer.size_y);
365 }
366
367 if ((!interbuffer) || (rc != 0)) {
368 set_attrs(&conn->screenbuffer.attrs);
369 clrscr();
370 attrs = &conn->screenbuffer.attrs;
371
372 for (j = 0; j < conn->screenbuffer.size_y; j++)
373 for (i = 0; i < conn->screenbuffer.size_x; i++) {
374 field = get_field_at(&conn->screenbuffer, i, j);
375 if (!attrs_same(*attrs, field->attrs))
376 set_attrs(&field->attrs);
377 attrs = &field->attrs;
378 if ((field->character == ' ') &&
379 (attrs_same(field->attrs,
380 conn->screenbuffer.attrs)))
381 continue;
382
383 fb_putchar(field->character, j, i);
384 }
385 }
386
387 curs_goto(conn->screenbuffer.position_y,
388 conn->screenbuffer.position_x);
389 curs_visibility(conn->screenbuffer.is_cursor_visible);
390
391 async_serialize_end();
392 }
393}
394
395/** Handler for keyboard */
396static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
397{
398 ipc_callid_t callid;
399 ipc_call_t call;
400 int retval;
401 kbd_event_t ev;
402 connection_t *conn;
403 int newcon;
404
405 /* Ignore parameters, the connection is alread opened */
406 while (1) {
407 callid = async_get_call(&call);
408 switch (IPC_GET_METHOD(call)) {
409 case IPC_M_PHONE_HUNGUP:
410 /* TODO: Handle hangup */
411 return;
412 case KBD_MS_LEFT:
413 newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
414 if (newcon != -1)
415 change_console(newcon);
416 retval = 0;
417 break;
418 case KBD_MS_MOVE:
419 gcons_mouse_move(IPC_GET_ARG1(call),
420 IPC_GET_ARG2(call));
421 retval = 0;
422 break;
423 case KBD_EVENT:
424 /* Got event from keyboard driver. */
425 retval = 0;
426 ev.type = IPC_GET_ARG1(call);
427 ev.key = IPC_GET_ARG2(call);
428 ev.mods = IPC_GET_ARG3(call);
429 ev.c = IPC_GET_ARG4(call);
430
431 /* switch to another virtual console */
432
433 conn = &connections[active_console];
434
435 if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
436 CONSOLE_COUNT)) {
437 if (ev.key == KC_F12)
438 change_console(KERNEL_CONSOLE);
439 else
440 change_console(ev.key - KC_F1);
441 break;
442 }
443
444 /* if client is awaiting key, send it */
445 if (conn->keyrequest_counter > 0) {
446 conn->keyrequest_counter--;
447 ipc_answer_4(fifo_pop(conn->keyrequests), EOK,
448 ev.type, ev.key, ev.mods, ev.c);
449 break;
450 }
451
452 keybuffer_push(&conn->keybuffer, &ev);
453 retval = 0;
454
455 break;
456 default:
457 retval = ENOENT;
458 }
459 ipc_answer_0(callid, retval);
460 }
461}
462
463/** Handle CONSOLE_WRITE call. */
464static void cons_write(int consnum, ipc_callid_t rid, ipc_call_t *request)
465{
466 ipc_callid_t callid;
467 size_t len;
468 size_t i;
469
470 if (!ipc_data_write_receive(&callid, &len)) {
471 ipc_answer_0(callid, EINVAL);
472 ipc_answer_0(rid, EINVAL);
473 }
474
475 if (len > CWRITE_BUF_SIZE)
476 len = CWRITE_BUF_SIZE;
477
478 (void) ipc_data_write_finalize(callid, cwrite_buf, len);
479
480 for (i = 0; i < len; i++) {
481 write_char(consnum, cwrite_buf[i]);
482 }
483
484 gcons_notify_char(consnum);
485 ipc_answer_1(rid, EOK, len);
486}
487
488/** Default thread for new connections */
489static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
490{
491 ipc_callid_t callid;
492 ipc_call_t call;
493 int consnum;
494 ipcarg_t arg1, arg2, arg3, arg4;
495 connection_t *conn;
496 screenbuffer_t *scr;
497
498 if ((consnum = find_free_connection()) == -1) {
499 ipc_answer_0(iid, ELIMIT);
500 return;
501 }
502 conn = &connections[consnum];
503 conn->used = 1;
504
505 async_serialize_start();
506 gcons_notify_connect(consnum);
507 conn->client_phone = IPC_GET_ARG5(*icall);
508 screenbuffer_clear(&conn->screenbuffer);
509
510 /* Accept the connection */
511 ipc_answer_0(iid, EOK);
512
513 while (1) {
514 async_serialize_end();
515 callid = async_get_call(&call);
516 async_serialize_start();
517
518 arg1 = 0;
519 arg2 = 0;
520 arg3 = 0;
521 arg4 = 0;
522
523 switch (IPC_GET_METHOD(call)) {
524 case IPC_M_PHONE_HUNGUP:
525 gcons_notify_disconnect(consnum);
526
527 /* Answer all pending requests */
528 while (conn->keyrequest_counter > 0) {
529 conn->keyrequest_counter--;
530 ipc_answer_0(fifo_pop(conn->keyrequests),
531 ENOENT);
532 break;
533 }
534 conn->used = 0;
535 return;
536 case CONSOLE_PUTCHAR:
537 write_char(consnum, IPC_GET_ARG1(call));
538 gcons_notify_char(consnum);
539 break;
540 case CONSOLE_WRITE:
541 cons_write(consnum, callid, &call);
542 continue;
543 case CONSOLE_CLEAR:
544 /* Send message to fb */
545 if (consnum == active_console) {
546 async_msg_0(fb_info.phone, FB_CLEAR);
547 }
548
549 screenbuffer_clear(&conn->screenbuffer);
550
551 break;
552 case CONSOLE_GOTO:
553 screenbuffer_goto(&conn->screenbuffer,
554 IPC_GET_ARG2(call), IPC_GET_ARG1(call));
555 if (consnum == active_console)
556 curs_goto(IPC_GET_ARG1(call),
557 IPC_GET_ARG2(call));
558 break;
559 case CONSOLE_GETSIZE:
560 arg1 = fb_info.rows;
561 arg2 = fb_info.cols;
562 break;
563 case CONSOLE_FLUSH:
564 fb_pending_flush();
565 if (consnum == active_console) {
566 async_req_0_0(fb_info.phone, FB_FLUSH);
567
568 scr = &(connections[consnum].screenbuffer);
569 curs_goto(scr->position_y, scr->position_x);
570 }
571 break;
572 case CONSOLE_SET_STYLE:
573 fb_pending_flush();
574 arg1 = IPC_GET_ARG1(call);
575 screenbuffer_set_style(&conn->screenbuffer, arg1);
576 if (consnum == active_console)
577 set_style(arg1);
578 break;
579 case CONSOLE_SET_COLOR:
580 fb_pending_flush();
581 arg1 = IPC_GET_ARG1(call);
582 arg2 = IPC_GET_ARG2(call);
583 arg3 = IPC_GET_ARG3(call);
584 screenbuffer_set_color(&conn->screenbuffer, arg1,
585 arg2, arg3);
586 if (consnum == active_console)
587 set_color(arg1, arg2, arg3);
588 break;
589 case CONSOLE_SET_RGB_COLOR:
590 fb_pending_flush();
591 arg1 = IPC_GET_ARG1(call);
592 arg2 = IPC_GET_ARG2(call);
593 screenbuffer_set_rgb_color(&conn->screenbuffer, arg1,
594 arg2);
595 if (consnum == active_console)
596 set_rgb_color(arg1, arg2);
597 break;
598 case CONSOLE_CURSOR_VISIBILITY:
599 fb_pending_flush();
600 arg1 = IPC_GET_ARG1(call);
601 conn->screenbuffer.is_cursor_visible = arg1;
602 if (consnum == active_console)
603 curs_visibility(arg1);
604 break;
605 case CONSOLE_GETKEY:
606 if (keybuffer_empty(&conn->keybuffer)) {
607 /* buffer is empty -> store request */
608 if (conn->keyrequest_counter <
609 MAX_KEYREQUESTS_BUFFERED) {
610 fifo_push(conn->keyrequests, callid);
611 conn->keyrequest_counter++;
612 } else {
613 /*
614 * No key available and too many
615 * requests => fail.
616 */
617 ipc_answer_0(callid, ELIMIT);
618 }
619 continue;
620 }
621 kbd_event_t ev;
622 keybuffer_pop(&conn->keybuffer, &ev);
623 arg1 = ev.type;
624 arg2 = ev.key;
625 arg3 = ev.mods;
626 arg4 = ev.c;
627 break;
628 case CONSOLE_KCON_ENABLE:
629 change_console(KERNEL_CONSOLE);
630 break;
631 }
632 ipc_answer_4(callid, EOK, arg1, arg2, arg3, arg4);
633 }
634}
635
636static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
637{
638 change_console(prev_console);
639}
640
641int main(int argc, char *argv[])
642{
643 printf(NAME ": HelenOS Console service\n");
644
645 ipcarg_t phonehash;
646 int kbd_phone;
647 size_t ib_size;
648 int i;
649
650 async_set_client_connection(client_connection);
651
652 /* Connect to keyboard driver */
653 kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
654 if (kbd_phone < 0) {
655 printf(NAME ": Failed to connect to keyboard service\n");
656 return -1;
657 }
658
659 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
660 printf(NAME ": Failed to create callback from keyboard service\n");
661 return -1;
662 }
663
664 async_new_connection(phonehash, 0, NULL, keyboard_events);
665
666 /* Connect to framebuffer driver */
667 fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
668 if (fb_info.phone < 0) {
669 printf(NAME ": Failed to connect to video service\n");
670 return -1;
671 }
672
673 /* Disable kernel output to the console */
674 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
675
676 /* Initialize gcons */
677 gcons_init(fb_info.phone);
678 /* Synchronize, the gcons can have something in queue */
679 async_req_0_0(fb_info.phone, FB_FLUSH);
680
681 async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
682 &fb_info.cols);
683 set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
684 clrscr();
685
686 /* Init virtual consoles */
687 for (i = 0; i < CONSOLE_COUNT; i++) {
688 connections[i].used = 0;
689 keybuffer_init(&connections[i].keybuffer);
690
691 connections[i].keyrequests.head = 0;
692 connections[i].keyrequests.tail = 0;
693 connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
694 connections[i].keyrequest_counter = 0;
695
696 if (screenbuffer_init(&connections[i].screenbuffer,
697 fb_info.cols, fb_info.rows) == NULL) {
698 /* FIXME: handle error */
699 return -1;
700 }
701 }
702 connections[KERNEL_CONSOLE].used = 1;
703
704 /* Set up shared memory buffer. */
705 ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
706 interbuffer = as_get_mappable_page(ib_size);
707
708 fb_pending.n = 0;
709
710 if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
711 AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) {
712 interbuffer = NULL;
713 }
714
715 if (interbuffer) {
716 if (ipc_share_out_start(fb_info.phone, interbuffer,
717 AS_AREA_READ) != EOK) {
718 as_area_destroy(interbuffer);
719 interbuffer = NULL;
720 }
721 }
722
723 curs_goto(0, 0);
724 curs_visibility(
725 connections[active_console].screenbuffer.is_cursor_visible);
726
727 /* Register at NS */
728 if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
729 return -1;
730
731 /* Receive kernel notifications */
732// if (sysinfo_value("kconsole.present")) {
733// int inr = sysinfo_value("kconsole.inr");
734// if (ipc_register_irq(inr, device_assign_devno(), 0, NULL) != EOK)
735// printf(NAME ": Error registering kconsole notifications\n");
736//
737// async_set_interrupt_received(interrupt_received);
738// }
739
740 // FIXME: avoid connectiong to itself, keep using klog
741 // printf(NAME ": Accepting connections\n");
742 async_manager();
743
744 return 0;
745}
746
747/** @}
748 */
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