Commit | Line | Data |
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0ea3f30e DJ |
1 | /* Serial interface for local (hardwired) serial ports on Windows systems |
2 | ||
6aba47ca | 3 | Copyright (C) 2006, 2007 Free Software Foundation, Inc. |
0ea3f30e DJ |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
20 | Boston, MA 02110-1301, USA. */ | |
21 | ||
22 | #include "defs.h" | |
23 | #include "serial.h" | |
24 | #include "ser-base.h" | |
25 | #include "ser-tcp.h" | |
26 | ||
27 | #include <windows.h> | |
c3e2b812 | 28 | #include <conio.h> |
0ea3f30e DJ |
29 | |
30 | #include <fcntl.h> | |
31 | #include <unistd.h> | |
32 | #include <sys/types.h> | |
33 | ||
34 | #include "gdb_assert.h" | |
35 | #include "gdb_string.h" | |
36 | ||
37 | void _initialize_ser_windows (void); | |
38 | ||
39 | struct ser_windows_state | |
40 | { | |
41 | int in_progress; | |
42 | OVERLAPPED ov; | |
43 | DWORD lastCommMask; | |
44 | HANDLE except_event; | |
45 | }; | |
46 | ||
47 | /* Open up a real live device for serial I/O. */ | |
48 | ||
49 | static int | |
50 | ser_windows_open (struct serial *scb, const char *name) | |
51 | { | |
52 | HANDLE h; | |
53 | struct ser_windows_state *state; | |
54 | COMMTIMEOUTS timeouts; | |
55 | ||
56 | /* Only allow COM ports. */ | |
57 | if (strncmp (name, "COM", 3) != 0) | |
58 | { | |
59 | errno = ENOENT; | |
60 | return -1; | |
61 | } | |
62 | ||
63 | h = CreateFile (name, GENERIC_READ | GENERIC_WRITE, 0, NULL, | |
64 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL); | |
65 | if (h == INVALID_HANDLE_VALUE) | |
66 | { | |
67 | errno = ENOENT; | |
68 | return -1; | |
69 | } | |
70 | ||
71 | scb->fd = _open_osfhandle ((long) h, O_RDWR); | |
72 | if (scb->fd < 0) | |
73 | { | |
74 | errno = ENOENT; | |
75 | return -1; | |
76 | } | |
77 | ||
78 | if (!SetCommMask (h, EV_RXCHAR)) | |
79 | { | |
80 | errno = EINVAL; | |
81 | return -1; | |
82 | } | |
83 | ||
84 | timeouts.ReadIntervalTimeout = MAXDWORD; | |
85 | timeouts.ReadTotalTimeoutConstant = 0; | |
86 | timeouts.ReadTotalTimeoutMultiplier = 0; | |
87 | timeouts.WriteTotalTimeoutConstant = 0; | |
88 | timeouts.WriteTotalTimeoutMultiplier = 0; | |
89 | if (!SetCommTimeouts (h, &timeouts)) | |
90 | { | |
91 | errno = EINVAL; | |
92 | return -1; | |
93 | } | |
94 | ||
95 | state = xmalloc (sizeof (struct ser_windows_state)); | |
96 | memset (state, 0, sizeof (struct ser_windows_state)); | |
97 | scb->state = state; | |
98 | ||
99 | /* Create a manual reset event to watch the input buffer. */ | |
100 | state->ov.hEvent = CreateEvent (0, TRUE, FALSE, 0); | |
101 | ||
102 | /* Create a (currently unused) handle to record exceptions. */ | |
103 | state->except_event = CreateEvent (0, TRUE, FALSE, 0); | |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
108 | /* Wait for the output to drain away, as opposed to flushing (discarding) | |
109 | it. */ | |
110 | ||
111 | static int | |
112 | ser_windows_drain_output (struct serial *scb) | |
113 | { | |
114 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
115 | ||
116 | return (FlushFileBuffers (h) != 0) ? 0 : -1; | |
117 | } | |
118 | ||
119 | static int | |
120 | ser_windows_flush_output (struct serial *scb) | |
121 | { | |
122 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
123 | ||
124 | return (PurgeComm (h, PURGE_TXCLEAR) != 0) ? 0 : -1; | |
125 | } | |
126 | ||
127 | static int | |
128 | ser_windows_flush_input (struct serial *scb) | |
129 | { | |
130 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
131 | ||
132 | return (PurgeComm (h, PURGE_RXCLEAR) != 0) ? 0 : -1; | |
133 | } | |
134 | ||
135 | static int | |
136 | ser_windows_send_break (struct serial *scb) | |
137 | { | |
138 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
139 | ||
140 | if (SetCommBreak (h) == 0) | |
141 | return -1; | |
142 | ||
143 | /* Delay for 250 milliseconds. */ | |
144 | Sleep (250); | |
145 | ||
146 | if (ClearCommBreak (h)) | |
147 | return -1; | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
152 | static void | |
153 | ser_windows_raw (struct serial *scb) | |
154 | { | |
155 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
156 | DCB state; | |
157 | ||
158 | if (GetCommState (h, &state) == 0) | |
159 | return; | |
160 | ||
161 | state.fParity = FALSE; | |
162 | state.fOutxCtsFlow = FALSE; | |
163 | state.fOutxDsrFlow = FALSE; | |
164 | state.fDtrControl = DTR_CONTROL_ENABLE; | |
165 | state.fDsrSensitivity = FALSE; | |
166 | state.fOutX = FALSE; | |
167 | state.fInX = FALSE; | |
168 | state.fNull = FALSE; | |
169 | state.fAbortOnError = FALSE; | |
170 | state.ByteSize = 8; | |
171 | state.Parity = NOPARITY; | |
172 | ||
173 | scb->current_timeout = 0; | |
174 | ||
175 | if (SetCommState (h, &state) == 0) | |
176 | warning (_("SetCommState failed\n")); | |
177 | } | |
178 | ||
179 | static int | |
180 | ser_windows_setstopbits (struct serial *scb, int num) | |
181 | { | |
182 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
183 | DCB state; | |
184 | ||
185 | if (GetCommState (h, &state) == 0) | |
186 | return -1; | |
187 | ||
188 | switch (num) | |
189 | { | |
190 | case SERIAL_1_STOPBITS: | |
191 | state.StopBits = ONESTOPBIT; | |
192 | break; | |
193 | case SERIAL_1_AND_A_HALF_STOPBITS: | |
194 | state.StopBits = ONE5STOPBITS; | |
195 | break; | |
196 | case SERIAL_2_STOPBITS: | |
197 | state.StopBits = TWOSTOPBITS; | |
198 | break; | |
199 | default: | |
200 | return 1; | |
201 | } | |
202 | ||
203 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
204 | } | |
205 | ||
206 | static int | |
207 | ser_windows_setbaudrate (struct serial *scb, int rate) | |
208 | { | |
209 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
210 | DCB state; | |
211 | ||
212 | if (GetCommState (h, &state) == 0) | |
213 | return -1; | |
214 | ||
215 | state.BaudRate = rate; | |
216 | ||
217 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
218 | } | |
219 | ||
220 | static void | |
221 | ser_windows_close (struct serial *scb) | |
222 | { | |
223 | struct ser_windows_state *state; | |
224 | ||
225 | /* Stop any pending selects. */ | |
226 | CancelIo ((HANDLE) _get_osfhandle (scb->fd)); | |
227 | state = scb->state; | |
228 | CloseHandle (state->ov.hEvent); | |
229 | CloseHandle (state->except_event); | |
230 | ||
231 | if (scb->fd < 0) | |
232 | return; | |
233 | ||
234 | close (scb->fd); | |
235 | scb->fd = -1; | |
236 | ||
237 | xfree (scb->state); | |
238 | } | |
239 | ||
240 | static void | |
241 | ser_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
242 | { | |
243 | struct ser_windows_state *state; | |
244 | COMSTAT status; | |
245 | DWORD errors; | |
246 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
247 | ||
248 | state = scb->state; | |
249 | ||
250 | *except = state->except_event; | |
251 | *read = state->ov.hEvent; | |
252 | ||
253 | if (state->in_progress) | |
254 | return; | |
255 | ||
256 | /* Reset the mask - we are only interested in any characters which | |
257 | arrive after this point, not characters which might have arrived | |
258 | and already been read. */ | |
259 | ||
260 | /* This really, really shouldn't be necessary - just the second one. | |
261 | But otherwise an internal flag for EV_RXCHAR does not get | |
262 | cleared, and we get a duplicated event, if the last batch | |
263 | of characters included at least two arriving close together. */ | |
264 | if (!SetCommMask (h, 0)) | |
265 | warning (_("ser_windows_wait_handle: reseting mask failed")); | |
266 | ||
267 | if (!SetCommMask (h, EV_RXCHAR)) | |
268 | warning (_("ser_windows_wait_handle: reseting mask failed (2)")); | |
269 | ||
270 | /* There's a potential race condition here; we must check cbInQue | |
271 | and not wait if that's nonzero. */ | |
272 | ||
273 | ClearCommError (h, &errors, &status); | |
274 | if (status.cbInQue > 0) | |
275 | { | |
276 | SetEvent (state->ov.hEvent); | |
277 | return; | |
278 | } | |
279 | ||
280 | state->in_progress = 1; | |
281 | ResetEvent (state->ov.hEvent); | |
282 | state->lastCommMask = -2; | |
283 | if (WaitCommEvent (h, &state->lastCommMask, &state->ov)) | |
284 | { | |
285 | gdb_assert (state->lastCommMask & EV_RXCHAR); | |
286 | SetEvent (state->ov.hEvent); | |
287 | } | |
288 | else | |
289 | gdb_assert (GetLastError () == ERROR_IO_PENDING); | |
290 | } | |
291 | ||
292 | static int | |
293 | ser_windows_read_prim (struct serial *scb, size_t count) | |
294 | { | |
295 | struct ser_windows_state *state; | |
296 | OVERLAPPED ov; | |
297 | DWORD bytes_read, bytes_read_tmp; | |
298 | HANDLE h; | |
299 | gdb_byte *p; | |
300 | ||
301 | state = scb->state; | |
302 | if (state->in_progress) | |
303 | { | |
304 | WaitForSingleObject (state->ov.hEvent, INFINITE); | |
305 | state->in_progress = 0; | |
306 | ResetEvent (state->ov.hEvent); | |
307 | } | |
308 | ||
309 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
310 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
311 | h = (HANDLE) _get_osfhandle (scb->fd); | |
312 | ||
313 | if (!ReadFile (h, scb->buf, /* count */ 1, &bytes_read, &ov)) | |
314 | { | |
315 | if (GetLastError () != ERROR_IO_PENDING | |
316 | || !GetOverlappedResult (h, &ov, &bytes_read, TRUE)) | |
317 | bytes_read = -1; | |
318 | } | |
319 | ||
320 | CloseHandle (ov.hEvent); | |
321 | return bytes_read; | |
322 | } | |
323 | ||
324 | static int | |
325 | ser_windows_write_prim (struct serial *scb, const void *buf, size_t len) | |
326 | { | |
327 | struct ser_windows_state *state; | |
328 | OVERLAPPED ov; | |
329 | DWORD bytes_written; | |
330 | HANDLE h; | |
331 | ||
332 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
333 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
334 | h = (HANDLE) _get_osfhandle (scb->fd); | |
335 | if (!WriteFile (h, buf, len, &bytes_written, &ov)) | |
336 | { | |
337 | if (GetLastError () != ERROR_IO_PENDING | |
338 | || !GetOverlappedResult (h, &ov, &bytes_written, TRUE)) | |
339 | bytes_written = -1; | |
340 | } | |
341 | ||
342 | CloseHandle (ov.hEvent); | |
343 | return bytes_written; | |
344 | } | |
345 | ||
346 | struct ser_console_state | |
347 | { | |
348 | HANDLE read_event; | |
349 | HANDLE except_event; | |
350 | ||
351 | HANDLE start_select; | |
352 | HANDLE stop_select; | |
c3e2b812 DJ |
353 | HANDLE exit_select; |
354 | HANDLE have_stopped; | |
355 | ||
356 | HANDLE thread; | |
0ea3f30e DJ |
357 | }; |
358 | ||
359 | static DWORD WINAPI | |
360 | console_select_thread (void *arg) | |
361 | { | |
362 | struct serial *scb = arg; | |
c3e2b812 DJ |
363 | struct ser_console_state *state; |
364 | int event_index; | |
0ea3f30e DJ |
365 | HANDLE h; |
366 | ||
c3e2b812 DJ |
367 | state = scb->state; |
368 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
369 | |
370 | while (1) | |
371 | { | |
372 | HANDLE wait_events[2]; | |
373 | INPUT_RECORD record; | |
374 | DWORD n_records; | |
375 | ||
c3e2b812 DJ |
376 | SetEvent (state->have_stopped); |
377 | ||
0ea3f30e | 378 | wait_events[0] = state->start_select; |
c3e2b812 | 379 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
380 | |
381 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
382 | return 0; |
383 | ||
384 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
385 | |
386 | retry: | |
387 | wait_events[0] = state->stop_select; | |
388 | wait_events[1] = h; | |
389 | ||
390 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); | |
391 | ||
392 | if (event_index == WAIT_OBJECT_0 | |
393 | || WaitForSingleObject (state->stop_select, 0) == WAIT_OBJECT_0) | |
c3e2b812 | 394 | continue; |
0ea3f30e DJ |
395 | |
396 | if (event_index != WAIT_OBJECT_0 + 1) | |
397 | { | |
398 | /* Wait must have failed; assume an error has occured, e.g. | |
399 | the handle has been closed. */ | |
400 | SetEvent (state->except_event); | |
401 | continue; | |
402 | } | |
403 | ||
404 | /* We've got a pending event on the console. See if it's | |
405 | of interest. */ | |
406 | if (!PeekConsoleInput (h, &record, 1, &n_records) || n_records != 1) | |
407 | { | |
408 | /* Something went wrong. Maybe the console is gone. */ | |
409 | SetEvent (state->except_event); | |
410 | continue; | |
411 | } | |
412 | ||
413 | if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) | |
414 | { | |
c3e2b812 DJ |
415 | WORD keycode = record.Event.KeyEvent.wVirtualKeyCode; |
416 | ||
417 | /* Ignore events containing only control keys. We must | |
418 | recognize "enhanced" keys which we are interested in | |
419 | reading via getch, if they do not map to ASCII. But we | |
420 | do not want to report input available for e.g. the | |
421 | control key alone. */ | |
422 | ||
423 | if (record.Event.KeyEvent.uChar.AsciiChar != 0 | |
424 | || keycode == VK_PRIOR | |
425 | || keycode == VK_NEXT | |
426 | || keycode == VK_END | |
427 | || keycode == VK_HOME | |
428 | || keycode == VK_LEFT | |
429 | || keycode == VK_UP | |
430 | || keycode == VK_RIGHT | |
431 | || keycode == VK_DOWN | |
432 | || keycode == VK_INSERT | |
433 | || keycode == VK_DELETE) | |
434 | { | |
435 | /* This is really a keypress. */ | |
436 | SetEvent (state->read_event); | |
437 | continue; | |
438 | } | |
0ea3f30e DJ |
439 | } |
440 | ||
441 | /* Otherwise discard it and wait again. */ | |
442 | ReadConsoleInput (h, &record, 1, &n_records); | |
443 | goto retry; | |
444 | } | |
445 | } | |
446 | ||
447 | static int | |
448 | fd_is_pipe (int fd) | |
449 | { | |
450 | if (PeekNamedPipe ((HANDLE) _get_osfhandle (fd), NULL, 0, NULL, NULL, NULL)) | |
451 | return 1; | |
452 | else | |
453 | return 0; | |
454 | } | |
455 | ||
7e71daaa JG |
456 | static int |
457 | fd_is_file (int fd) | |
458 | { | |
459 | if (GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_DISK) | |
460 | return 1; | |
461 | else | |
462 | return 0; | |
463 | } | |
464 | ||
0ea3f30e DJ |
465 | static DWORD WINAPI |
466 | pipe_select_thread (void *arg) | |
467 | { | |
468 | struct serial *scb = arg; | |
c3e2b812 DJ |
469 | struct ser_console_state *state; |
470 | int event_index; | |
0ea3f30e DJ |
471 | HANDLE h; |
472 | ||
c3e2b812 DJ |
473 | state = scb->state; |
474 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
475 | |
476 | while (1) | |
477 | { | |
478 | HANDLE wait_events[2]; | |
479 | DWORD n_avail; | |
480 | ||
c3e2b812 DJ |
481 | SetEvent (state->have_stopped); |
482 | ||
0ea3f30e | 483 | wait_events[0] = state->start_select; |
c3e2b812 | 484 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
485 | |
486 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
487 | return 0; |
488 | ||
489 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
490 | |
491 | retry: | |
492 | if (!PeekNamedPipe (h, NULL, 0, NULL, &n_avail, NULL)) | |
493 | { | |
494 | SetEvent (state->except_event); | |
495 | continue; | |
496 | } | |
497 | ||
498 | if (n_avail > 0) | |
499 | { | |
500 | SetEvent (state->read_event); | |
501 | continue; | |
502 | } | |
503 | ||
c3e2b812 DJ |
504 | /* Delay 10ms before checking again, but allow the stop event |
505 | to wake us. */ | |
506 | if (WaitForSingleObject (state->stop_select, 10) == WAIT_OBJECT_0) | |
507 | continue; | |
0ea3f30e | 508 | |
0ea3f30e DJ |
509 | goto retry; |
510 | } | |
511 | } | |
512 | ||
7e71daaa JG |
513 | static DWORD WINAPI |
514 | file_select_thread (void *arg) | |
515 | { | |
516 | struct serial *scb = arg; | |
517 | struct ser_console_state *state; | |
518 | int event_index; | |
519 | HANDLE h; | |
520 | ||
521 | state = scb->state; | |
522 | h = (HANDLE) _get_osfhandle (scb->fd); | |
523 | ||
524 | while (1) | |
525 | { | |
526 | HANDLE wait_events[2]; | |
527 | DWORD n_avail; | |
528 | ||
529 | SetEvent (state->have_stopped); | |
530 | ||
531 | wait_events[0] = state->start_select; | |
532 | wait_events[1] = state->exit_select; | |
533 | ||
534 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
535 | return 0; | |
536 | ||
537 | ResetEvent (state->have_stopped); | |
538 | ||
539 | if (SetFilePointer (h, 0, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER) | |
540 | { | |
541 | SetEvent (state->except_event); | |
542 | continue; | |
543 | } | |
544 | ||
545 | SetEvent (state->read_event); | |
546 | } | |
547 | } | |
548 | ||
0ea3f30e DJ |
549 | static void |
550 | ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
551 | { | |
552 | struct ser_console_state *state = scb->state; | |
553 | ||
554 | if (state == NULL) | |
555 | { | |
556 | DWORD threadId; | |
557 | int is_tty; | |
558 | ||
559 | is_tty = isatty (scb->fd); | |
7e71daaa | 560 | if (!is_tty && !fd_is_file (scb->fd) && !fd_is_pipe (scb->fd)) |
0ea3f30e DJ |
561 | { |
562 | *read = NULL; | |
563 | *except = NULL; | |
564 | return; | |
565 | } | |
566 | ||
567 | state = xmalloc (sizeof (struct ser_console_state)); | |
568 | memset (state, 0, sizeof (struct ser_console_state)); | |
569 | scb->state = state; | |
570 | ||
c3e2b812 DJ |
571 | /* Create auto reset events to wake, stop, and exit the select |
572 | thread. */ | |
0ea3f30e DJ |
573 | state->start_select = CreateEvent (0, FALSE, FALSE, 0); |
574 | state->stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
c3e2b812 | 575 | state->exit_select = CreateEvent (0, FALSE, FALSE, 0); |
0ea3f30e | 576 | |
c3e2b812 DJ |
577 | /* Create a manual reset event to signal whether the thread is |
578 | stopped. This must be manual reset, because we may wait on | |
579 | it multiple times without ever starting the thread. */ | |
580 | state->have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
581 | ||
582 | /* Create our own events to report read and exceptions separately. */ | |
0ea3f30e DJ |
583 | state->read_event = CreateEvent (0, FALSE, FALSE, 0); |
584 | state->except_event = CreateEvent (0, FALSE, FALSE, 0); | |
585 | ||
0ea3f30e | 586 | if (is_tty) |
c3e2b812 DJ |
587 | state->thread = CreateThread (NULL, 0, console_select_thread, scb, 0, |
588 | &threadId); | |
7e71daaa | 589 | else if (fd_is_pipe (scb->fd)) |
c3e2b812 DJ |
590 | state->thread = CreateThread (NULL, 0, pipe_select_thread, scb, 0, |
591 | &threadId); | |
7e71daaa JG |
592 | else |
593 | state->thread = CreateThread (NULL, 0, file_select_thread, scb, 0, | |
594 | &threadId); | |
0ea3f30e DJ |
595 | } |
596 | ||
c3e2b812 DJ |
597 | *read = state->read_event; |
598 | *except = state->except_event; | |
599 | ||
600 | /* Start from a blank state. */ | |
0ea3f30e DJ |
601 | ResetEvent (state->read_event); |
602 | ResetEvent (state->except_event); | |
c3e2b812 DJ |
603 | ResetEvent (state->stop_select); |
604 | ||
605 | /* First check for a key already in the buffer. If there is one, | |
606 | we don't need a thread. This also catches the second key of | |
607 | multi-character returns from getch, for instance for arrow | |
608 | keys. The second half is in a C library internal buffer, | |
609 | and PeekConsoleInput will not find it. */ | |
610 | if (_kbhit ()) | |
611 | { | |
612 | SetEvent (state->read_event); | |
613 | return; | |
614 | } | |
0ea3f30e | 615 | |
c3e2b812 | 616 | /* Otherwise, start the select thread. */ |
0ea3f30e | 617 | SetEvent (state->start_select); |
c3e2b812 | 618 | } |
0ea3f30e | 619 | |
c3e2b812 DJ |
620 | static void |
621 | ser_console_done_wait_handle (struct serial *scb) | |
622 | { | |
623 | struct ser_console_state *state = scb->state; | |
624 | ||
625 | if (state == NULL) | |
626 | return; | |
627 | ||
628 | SetEvent (state->stop_select); | |
629 | WaitForSingleObject (state->have_stopped, INFINITE); | |
0ea3f30e DJ |
630 | } |
631 | ||
632 | static void | |
633 | ser_console_close (struct serial *scb) | |
634 | { | |
635 | struct ser_console_state *state = scb->state; | |
636 | ||
637 | if (scb->state) | |
638 | { | |
c3e2b812 DJ |
639 | SetEvent (state->exit_select); |
640 | ||
641 | WaitForSingleObject (state->thread, INFINITE); | |
642 | ||
643 | CloseHandle (state->start_select); | |
644 | CloseHandle (state->stop_select); | |
645 | CloseHandle (state->exit_select); | |
646 | CloseHandle (state->have_stopped); | |
0ea3f30e DJ |
647 | |
648 | CloseHandle (state->read_event); | |
649 | CloseHandle (state->except_event); | |
650 | ||
651 | xfree (scb->state); | |
652 | } | |
653 | } | |
654 | ||
655 | struct ser_console_ttystate | |
656 | { | |
657 | int is_a_tty; | |
658 | }; | |
659 | ||
660 | static serial_ttystate | |
661 | ser_console_get_tty_state (struct serial *scb) | |
662 | { | |
663 | if (isatty (scb->fd)) | |
664 | { | |
665 | struct ser_console_ttystate *state; | |
666 | state = (struct ser_console_ttystate *) xmalloc (sizeof *state); | |
667 | state->is_a_tty = 1; | |
668 | return state; | |
669 | } | |
670 | else | |
671 | return NULL; | |
672 | } | |
673 | ||
5f1fb6dc JB |
674 | struct pipe_state |
675 | { | |
676 | /* Since we use the pipe_select_thread for our select emulation, | |
677 | we need to place the state structure it requires at the front | |
678 | of our state. */ | |
679 | struct ser_console_state wait; | |
680 | ||
681 | /* The pex obj for our (one-stage) pipeline. */ | |
682 | struct pex_obj *pex; | |
683 | ||
684 | /* Streams for the pipeline's input and output. */ | |
685 | FILE *input, *output; | |
686 | }; | |
687 | ||
688 | static struct pipe_state * | |
689 | make_pipe_state (void) | |
690 | { | |
691 | struct pipe_state *ps = XMALLOC (struct pipe_state); | |
692 | ||
693 | memset (ps, 0, sizeof (*ps)); | |
694 | ps->wait.read_event = INVALID_HANDLE_VALUE; | |
695 | ps->wait.except_event = INVALID_HANDLE_VALUE; | |
696 | ps->wait.start_select = INVALID_HANDLE_VALUE; | |
697 | ps->wait.stop_select = INVALID_HANDLE_VALUE; | |
698 | ||
699 | return ps; | |
700 | } | |
701 | ||
702 | static void | |
703 | free_pipe_state (struct pipe_state *ps) | |
704 | { | |
705 | int saved_errno = errno; | |
706 | ||
707 | if (ps->wait.read_event != INVALID_HANDLE_VALUE) | |
774a49c0 DJ |
708 | { |
709 | SetEvent (ps->wait.exit_select); | |
710 | ||
711 | WaitForSingleObject (ps->wait.thread, INFINITE); | |
5f1fb6dc | 712 | |
774a49c0 DJ |
713 | CloseHandle (ps->wait.start_select); |
714 | CloseHandle (ps->wait.stop_select); | |
715 | CloseHandle (ps->wait.exit_select); | |
716 | CloseHandle (ps->wait.have_stopped); | |
717 | ||
718 | CloseHandle (ps->wait.read_event); | |
719 | CloseHandle (ps->wait.except_event); | |
720 | } | |
5f1fb6dc JB |
721 | |
722 | /* Close the pipe to the child. We must close the pipe before | |
723 | calling pex_free because pex_free will wait for the child to exit | |
724 | and the child will not exit until the pipe is closed. */ | |
725 | if (ps->input) | |
726 | fclose (ps->input); | |
727 | if (ps->pex) | |
728 | pex_free (ps->pex); | |
729 | /* pex_free closes ps->output. */ | |
730 | ||
731 | xfree (ps); | |
732 | ||
733 | errno = saved_errno; | |
734 | } | |
735 | ||
736 | static void | |
737 | cleanup_pipe_state (void *untyped) | |
738 | { | |
739 | struct pipe_state *ps = untyped; | |
740 | ||
741 | free_pipe_state (ps); | |
742 | } | |
743 | ||
744 | static int | |
745 | pipe_windows_open (struct serial *scb, const char *name) | |
746 | { | |
ef7723eb | 747 | struct pipe_state *ps; |
65cc4390 | 748 | FILE *pex_stderr; |
ef7723eb | 749 | |
5f1fb6dc JB |
750 | char **argv = buildargv (name); |
751 | struct cleanup *back_to = make_cleanup_freeargv (argv); | |
752 | if (! argv[0] || argv[0][0] == '\0') | |
753 | error ("missing child command"); | |
754 | ||
ef7723eb VP |
755 | |
756 | ps = make_pipe_state (); | |
5f1fb6dc JB |
757 | make_cleanup (cleanup_pipe_state, ps); |
758 | ||
759 | ps->pex = pex_init (PEX_USE_PIPES, "target remote pipe", NULL); | |
760 | if (! ps->pex) | |
761 | goto fail; | |
762 | ps->input = pex_input_pipe (ps->pex, 1); | |
763 | if (! ps->input) | |
764 | goto fail; | |
765 | ||
766 | { | |
767 | int err; | |
768 | const char *err_msg | |
65cc4390 VP |
769 | = pex_run (ps->pex, PEX_SEARCH | PEX_BINARY_INPUT | PEX_BINARY_OUTPUT |
770 | | PEX_STDERR_TO_PIPE, | |
5f1fb6dc JB |
771 | argv[0], argv, NULL, NULL, |
772 | &err); | |
773 | ||
774 | if (err_msg) | |
775 | { | |
776 | /* Our caller expects us to return -1, but all they'll do with | |
777 | it generally is print the message based on errno. We have | |
778 | all the same information here, plus err_msg provided by | |
779 | pex_run, so we just raise the error here. */ | |
780 | if (err) | |
781 | error ("error starting child process '%s': %s: %s", | |
782 | name, err_msg, safe_strerror (err)); | |
783 | else | |
784 | error ("error starting child process '%s': %s", | |
785 | name, err_msg); | |
786 | } | |
787 | } | |
788 | ||
789 | ps->output = pex_read_output (ps->pex, 1); | |
790 | if (! ps->output) | |
791 | goto fail; | |
5f1fb6dc | 792 | scb->fd = fileno (ps->output); |
65cc4390 VP |
793 | |
794 | pex_stderr = pex_read_err (ps->pex, 1); | |
795 | if (! pex_stderr) | |
796 | goto fail; | |
797 | scb->error_fd = fileno (pex_stderr); | |
798 | ||
5f1fb6dc JB |
799 | scb->state = (void *) ps; |
800 | ||
801 | discard_cleanups (back_to); | |
802 | return 0; | |
803 | ||
804 | fail: | |
805 | do_cleanups (back_to); | |
806 | return -1; | |
807 | } | |
808 | ||
809 | ||
810 | static void | |
811 | pipe_windows_close (struct serial *scb) | |
812 | { | |
813 | struct pipe_state *ps = scb->state; | |
814 | ||
815 | /* In theory, we should try to kill the subprocess here, but the pex | |
816 | interface doesn't give us enough information to do that. Usually | |
817 | closing the input pipe will get the message across. */ | |
818 | ||
819 | free_pipe_state (ps); | |
820 | } | |
821 | ||
822 | ||
823 | static int | |
824 | pipe_windows_read (struct serial *scb, size_t count) | |
825 | { | |
4998c1df | 826 | HANDLE pipeline_out = (HANDLE) _get_osfhandle (scb->fd); |
ef7723eb VP |
827 | DWORD available; |
828 | DWORD bytes_read; | |
829 | ||
5f1fb6dc JB |
830 | if (pipeline_out == INVALID_HANDLE_VALUE) |
831 | return -1; | |
832 | ||
5f1fb6dc JB |
833 | if (! PeekNamedPipe (pipeline_out, NULL, 0, NULL, &available, NULL)) |
834 | return -1; | |
835 | ||
836 | if (count > available) | |
837 | count = available; | |
838 | ||
5f1fb6dc JB |
839 | if (! ReadFile (pipeline_out, scb->buf, count, &bytes_read, NULL)) |
840 | return -1; | |
841 | ||
842 | return bytes_read; | |
843 | } | |
844 | ||
845 | ||
846 | static int | |
847 | pipe_windows_write (struct serial *scb, const void *buf, size_t count) | |
848 | { | |
849 | struct pipe_state *ps = scb->state; | |
ef7723eb VP |
850 | HANDLE pipeline_in; |
851 | DWORD written; | |
852 | ||
5f1fb6dc JB |
853 | int pipeline_in_fd = fileno (ps->input); |
854 | if (pipeline_in_fd < 0) | |
855 | return -1; | |
856 | ||
ef7723eb | 857 | pipeline_in = (HANDLE) _get_osfhandle (pipeline_in_fd); |
5f1fb6dc JB |
858 | if (pipeline_in == INVALID_HANDLE_VALUE) |
859 | return -1; | |
860 | ||
5f1fb6dc JB |
861 | if (! WriteFile (pipeline_in, buf, count, &written, NULL)) |
862 | return -1; | |
863 | ||
864 | return written; | |
865 | } | |
866 | ||
867 | ||
868 | static void | |
869 | pipe_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
870 | { | |
871 | struct pipe_state *ps = scb->state; | |
872 | ||
873 | /* Have we allocated our events yet? */ | |
874 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
875 | { | |
876 | DWORD threadId; | |
877 | ||
774a49c0 DJ |
878 | /* Create auto reset events to wake, stop, and exit the select |
879 | thread. */ | |
5f1fb6dc JB |
880 | ps->wait.start_select = CreateEvent (0, FALSE, FALSE, 0); |
881 | ps->wait.stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
774a49c0 DJ |
882 | ps->wait.exit_select = CreateEvent (0, FALSE, FALSE, 0); |
883 | ||
884 | /* Create a manual reset event to signal whether the thread is | |
885 | stopped. This must be manual reset, because we may wait on | |
886 | it multiple times without ever starting the thread. */ | |
887 | ps->wait.have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
5f1fb6dc JB |
888 | |
889 | /* Create our own events to report read and exceptions separately. | |
890 | The exception event is currently never used. */ | |
891 | ps->wait.read_event = CreateEvent (0, FALSE, FALSE, 0); | |
892 | ps->wait.except_event = CreateEvent (0, FALSE, FALSE, 0); | |
893 | ||
894 | /* Start the select thread. */ | |
895 | CreateThread (NULL, 0, pipe_select_thread, scb, 0, &threadId); | |
896 | } | |
897 | ||
774a49c0 DJ |
898 | *read = ps->wait.read_event; |
899 | *except = ps->wait.except_event; | |
900 | ||
901 | /* Start from a blank state. */ | |
5f1fb6dc JB |
902 | ResetEvent (ps->wait.read_event); |
903 | ResetEvent (ps->wait.except_event); | |
774a49c0 | 904 | ResetEvent (ps->wait.stop_select); |
5f1fb6dc | 905 | |
774a49c0 | 906 | /* Start the select thread. */ |
5f1fb6dc | 907 | SetEvent (ps->wait.start_select); |
5f1fb6dc JB |
908 | } |
909 | ||
774a49c0 DJ |
910 | static void |
911 | pipe_done_wait_handle (struct serial *scb) | |
912 | { | |
913 | struct pipe_state *ps = scb->state; | |
914 | ||
915 | /* Have we allocated our events yet? */ | |
916 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
917 | return; | |
918 | ||
919 | SetEvent (ps->wait.stop_select); | |
920 | WaitForSingleObject (ps->wait.have_stopped, INFINITE); | |
921 | } | |
5f1fb6dc | 922 | |
65cc4390 VP |
923 | static int |
924 | pipe_avail (struct serial *scb, int fd) | |
925 | { | |
926 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
927 | DWORD numBytes; | |
928 | BOOL r = PeekNamedPipe (h, NULL, 0, NULL, &numBytes, NULL); | |
929 | if (r == FALSE) | |
930 | numBytes = 0; | |
931 | return numBytes; | |
932 | } | |
933 | ||
0ea3f30e DJ |
934 | struct net_windows_state |
935 | { | |
936 | HANDLE read_event; | |
937 | HANDLE except_event; | |
938 | ||
939 | HANDLE start_select; | |
940 | HANDLE stop_select; | |
c3e2b812 DJ |
941 | HANDLE exit_select; |
942 | HANDLE have_stopped; | |
943 | ||
0ea3f30e | 944 | HANDLE sock_event; |
c3e2b812 DJ |
945 | |
946 | HANDLE thread; | |
0ea3f30e DJ |
947 | }; |
948 | ||
949 | static DWORD WINAPI | |
950 | net_windows_select_thread (void *arg) | |
951 | { | |
952 | struct serial *scb = arg; | |
953 | struct net_windows_state *state, state_copy; | |
c3e2b812 | 954 | int event_index; |
0ea3f30e | 955 | |
c3e2b812 | 956 | state = scb->state; |
0ea3f30e DJ |
957 | |
958 | while (1) | |
959 | { | |
960 | HANDLE wait_events[2]; | |
961 | WSANETWORKEVENTS events; | |
962 | ||
c3e2b812 DJ |
963 | SetEvent (state->have_stopped); |
964 | ||
0ea3f30e | 965 | wait_events[0] = state->start_select; |
c3e2b812 | 966 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
967 | |
968 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
969 | return 0; |
970 | ||
971 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
972 | |
973 | wait_events[0] = state->stop_select; | |
974 | wait_events[1] = state->sock_event; | |
975 | ||
976 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); | |
977 | ||
978 | if (event_index == WAIT_OBJECT_0 | |
979 | || WaitForSingleObject (state->stop_select, 0) == WAIT_OBJECT_0) | |
c3e2b812 | 980 | continue; |
0ea3f30e DJ |
981 | |
982 | if (event_index != WAIT_OBJECT_0 + 1) | |
983 | { | |
984 | /* Some error has occured. Assume that this is an error | |
985 | condition. */ | |
986 | SetEvent (state->except_event); | |
987 | continue; | |
988 | } | |
989 | ||
990 | /* Enumerate the internal network events, and reset the object that | |
991 | signalled us to catch the next event. */ | |
c3e2b812 DJ |
992 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); |
993 | ||
994 | gdb_assert (events.lNetworkEvents & (FD_READ | FD_CLOSE)); | |
0ea3f30e DJ |
995 | |
996 | if (events.lNetworkEvents & FD_READ) | |
997 | SetEvent (state->read_event); | |
998 | ||
999 | if (events.lNetworkEvents & FD_CLOSE) | |
1000 | SetEvent (state->except_event); | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | static void | |
1005 | net_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
1006 | { | |
1007 | struct net_windows_state *state = scb->state; | |
1008 | ||
c3e2b812 | 1009 | /* Start from a clean slate. */ |
0ea3f30e DJ |
1010 | ResetEvent (state->read_event); |
1011 | ResetEvent (state->except_event); | |
c3e2b812 | 1012 | ResetEvent (state->stop_select); |
0ea3f30e DJ |
1013 | |
1014 | *read = state->read_event; | |
1015 | *except = state->except_event; | |
c3e2b812 DJ |
1016 | |
1017 | /* Check any pending events. This both avoids starting the thread | |
1018 | unnecessarily, and handles stray FD_READ events (see below). */ | |
1019 | if (WaitForSingleObject (state->sock_event, 0) == WAIT_OBJECT_0) | |
1020 | { | |
1021 | WSANETWORKEVENTS events; | |
1022 | int any = 0; | |
1023 | ||
1024 | /* Enumerate the internal network events, and reset the object that | |
1025 | signalled us to catch the next event. */ | |
1026 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); | |
1027 | ||
1028 | /* You'd think that FD_READ or FD_CLOSE would be set here. But, | |
1029 | sometimes, neither is. I suspect that the FD_READ is set and | |
1030 | the corresponding event signalled while recv is running, and | |
1031 | the FD_READ is then lowered when recv consumes all the data, | |
1032 | but there's no way to un-signal the event. This isn't a | |
1033 | problem for the call in net_select_thread, since any new | |
1034 | events after this point will not have been drained by recv. | |
1035 | It just means that we can't have the obvious assert here. */ | |
1036 | ||
1037 | /* If there is a read event, it might be still valid, or it might | |
1038 | not be - it may have been signalled before we last called | |
1039 | recv. Double-check that there is data. */ | |
1040 | if (events.lNetworkEvents & FD_READ) | |
1041 | { | |
1042 | unsigned long available; | |
1043 | ||
1044 | if (ioctlsocket (scb->fd, FIONREAD, &available) == 0 | |
1045 | && available > 0) | |
1046 | { | |
1047 | SetEvent (state->read_event); | |
1048 | any = 1; | |
1049 | } | |
1050 | else | |
1051 | /* Oops, no data. This call to recv will cause future | |
1052 | data to retrigger the event, e.g. while we are | |
1053 | in net_select_thread. */ | |
1054 | recv (scb->fd, NULL, 0, 0); | |
1055 | } | |
1056 | ||
1057 | /* If there's a close event, then record it - it is obviously | |
1058 | still valid, and it will not be resignalled. */ | |
1059 | if (events.lNetworkEvents & FD_CLOSE) | |
1060 | { | |
1061 | SetEvent (state->except_event); | |
1062 | any = 1; | |
1063 | } | |
1064 | ||
1065 | /* If we set either handle, there's no need to wake the thread. */ | |
1066 | if (any) | |
1067 | return; | |
1068 | } | |
1069 | ||
1070 | /* Start the select thread. */ | |
1071 | SetEvent (state->start_select); | |
1072 | } | |
1073 | ||
1074 | static void | |
1075 | net_windows_done_wait_handle (struct serial *scb) | |
1076 | { | |
1077 | struct net_windows_state *state = scb->state; | |
1078 | ||
1079 | SetEvent (state->stop_select); | |
1080 | WaitForSingleObject (state->have_stopped, INFINITE); | |
0ea3f30e DJ |
1081 | } |
1082 | ||
1083 | static int | |
1084 | net_windows_open (struct serial *scb, const char *name) | |
1085 | { | |
1086 | struct net_windows_state *state; | |
1087 | int ret; | |
1088 | DWORD threadId; | |
1089 | ||
1090 | ret = net_open (scb, name); | |
1091 | if (ret != 0) | |
1092 | return ret; | |
1093 | ||
1094 | state = xmalloc (sizeof (struct net_windows_state)); | |
1095 | memset (state, 0, sizeof (struct net_windows_state)); | |
1096 | scb->state = state; | |
1097 | ||
c3e2b812 DJ |
1098 | /* Create auto reset events to wake, stop, and exit the select |
1099 | thread. */ | |
0ea3f30e DJ |
1100 | state->start_select = CreateEvent (0, FALSE, FALSE, 0); |
1101 | state->stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
c3e2b812 DJ |
1102 | state->exit_select = CreateEvent (0, FALSE, FALSE, 0); |
1103 | ||
1104 | /* Create a manual reset event to signal whether the thread is | |
1105 | stopped. This must be manual reset, because we may wait on | |
1106 | it multiple times without ever starting the thread. */ | |
1107 | state->have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
0ea3f30e DJ |
1108 | |
1109 | /* Associate an event with the socket. */ | |
1110 | state->sock_event = CreateEvent (0, TRUE, FALSE, 0); | |
1111 | WSAEventSelect (scb->fd, state->sock_event, FD_READ | FD_CLOSE); | |
1112 | ||
1113 | /* Create our own events to report read and close separately. */ | |
1114 | state->read_event = CreateEvent (0, FALSE, FALSE, 0); | |
1115 | state->except_event = CreateEvent (0, FALSE, FALSE, 0); | |
1116 | ||
1117 | /* And finally start the select thread. */ | |
c3e2b812 DJ |
1118 | state->thread = CreateThread (NULL, 0, net_windows_select_thread, scb, 0, |
1119 | &threadId); | |
0ea3f30e DJ |
1120 | |
1121 | return 0; | |
1122 | } | |
1123 | ||
1124 | ||
1125 | static void | |
1126 | net_windows_close (struct serial *scb) | |
1127 | { | |
1128 | struct net_windows_state *state = scb->state; | |
1129 | ||
c3e2b812 DJ |
1130 | SetEvent (state->exit_select); |
1131 | WaitForSingleObject (state->thread, INFINITE); | |
0ea3f30e DJ |
1132 | |
1133 | CloseHandle (state->read_event); | |
1134 | CloseHandle (state->except_event); | |
c3e2b812 | 1135 | |
0ea3f30e | 1136 | CloseHandle (state->start_select); |
c3e2b812 DJ |
1137 | CloseHandle (state->stop_select); |
1138 | CloseHandle (state->exit_select); | |
1139 | CloseHandle (state->have_stopped); | |
1140 | ||
0ea3f30e DJ |
1141 | CloseHandle (state->sock_event); |
1142 | ||
1143 | xfree (scb->state); | |
1144 | ||
1145 | net_close (scb); | |
1146 | } | |
1147 | ||
1148 | void | |
1149 | _initialize_ser_windows (void) | |
1150 | { | |
1151 | WSADATA wsa_data; | |
1152 | struct serial_ops *ops; | |
1153 | ||
1154 | /* First register the serial port driver. */ | |
1155 | ||
1156 | ops = XMALLOC (struct serial_ops); | |
1157 | memset (ops, 0, sizeof (struct serial_ops)); | |
1158 | ops->name = "hardwire"; | |
1159 | ops->next = 0; | |
1160 | ops->open = ser_windows_open; | |
1161 | ops->close = ser_windows_close; | |
1162 | ||
1163 | ops->flush_output = ser_windows_flush_output; | |
1164 | ops->flush_input = ser_windows_flush_input; | |
1165 | ops->send_break = ser_windows_send_break; | |
1166 | ||
1167 | /* These are only used for stdin; we do not need them for serial | |
1168 | ports, so supply the standard dummies. */ | |
1169 | ops->get_tty_state = ser_base_get_tty_state; | |
1170 | ops->set_tty_state = ser_base_set_tty_state; | |
1171 | ops->print_tty_state = ser_base_print_tty_state; | |
1172 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1173 | ||
1174 | ops->go_raw = ser_windows_raw; | |
1175 | ops->setbaudrate = ser_windows_setbaudrate; | |
1176 | ops->setstopbits = ser_windows_setstopbits; | |
1177 | ops->drain_output = ser_windows_drain_output; | |
1178 | ops->readchar = ser_base_readchar; | |
1179 | ops->write = ser_base_write; | |
1180 | ops->async = ser_base_async; | |
1181 | ops->read_prim = ser_windows_read_prim; | |
1182 | ops->write_prim = ser_windows_write_prim; | |
1183 | ops->wait_handle = ser_windows_wait_handle; | |
1184 | ||
1185 | serial_add_interface (ops); | |
1186 | ||
1187 | /* Next create the dummy serial driver used for terminals. We only | |
1188 | provide the TTY-related methods. */ | |
1189 | ||
1190 | ops = XMALLOC (struct serial_ops); | |
1191 | memset (ops, 0, sizeof (struct serial_ops)); | |
1192 | ||
1193 | ops->name = "terminal"; | |
1194 | ops->next = 0; | |
1195 | ||
1196 | ops->close = ser_console_close; | |
1197 | ops->get_tty_state = ser_console_get_tty_state; | |
1198 | ops->set_tty_state = ser_base_set_tty_state; | |
1199 | ops->print_tty_state = ser_base_print_tty_state; | |
1200 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1201 | ops->drain_output = ser_base_drain_output; | |
1202 | ops->wait_handle = ser_console_wait_handle; | |
c3e2b812 | 1203 | ops->done_wait_handle = ser_console_done_wait_handle; |
0ea3f30e DJ |
1204 | |
1205 | serial_add_interface (ops); | |
1206 | ||
5f1fb6dc JB |
1207 | /* The pipe interface. */ |
1208 | ||
1209 | ops = XMALLOC (struct serial_ops); | |
1210 | memset (ops, 0, sizeof (struct serial_ops)); | |
1211 | ops->name = "pipe"; | |
1212 | ops->next = 0; | |
1213 | ops->open = pipe_windows_open; | |
1214 | ops->close = pipe_windows_close; | |
1215 | ops->readchar = ser_base_readchar; | |
1216 | ops->write = ser_base_write; | |
1217 | ops->flush_output = ser_base_flush_output; | |
1218 | ops->flush_input = ser_base_flush_input; | |
1219 | ops->send_break = ser_base_send_break; | |
1220 | ops->go_raw = ser_base_raw; | |
1221 | ops->get_tty_state = ser_base_get_tty_state; | |
1222 | ops->set_tty_state = ser_base_set_tty_state; | |
1223 | ops->print_tty_state = ser_base_print_tty_state; | |
1224 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1225 | ops->setbaudrate = ser_base_setbaudrate; | |
1226 | ops->setstopbits = ser_base_setstopbits; | |
1227 | ops->drain_output = ser_base_drain_output; | |
1228 | ops->async = ser_base_async; | |
1229 | ops->read_prim = pipe_windows_read; | |
1230 | ops->write_prim = pipe_windows_write; | |
1231 | ops->wait_handle = pipe_wait_handle; | |
774a49c0 | 1232 | ops->done_wait_handle = pipe_done_wait_handle; |
65cc4390 | 1233 | ops->avail = pipe_avail; |
5f1fb6dc JB |
1234 | |
1235 | serial_add_interface (ops); | |
1236 | ||
0ea3f30e DJ |
1237 | /* If WinSock works, register the TCP/UDP socket driver. */ |
1238 | ||
1239 | if (WSAStartup (MAKEWORD (1, 0), &wsa_data) != 0) | |
1240 | /* WinSock is unavailable. */ | |
1241 | return; | |
1242 | ||
1243 | ops = XMALLOC (struct serial_ops); | |
1244 | memset (ops, 0, sizeof (struct serial_ops)); | |
1245 | ops->name = "tcp"; | |
1246 | ops->next = 0; | |
1247 | ops->open = net_windows_open; | |
1248 | ops->close = net_windows_close; | |
1249 | ops->readchar = ser_base_readchar; | |
1250 | ops->write = ser_base_write; | |
1251 | ops->flush_output = ser_base_flush_output; | |
1252 | ops->flush_input = ser_base_flush_input; | |
1253 | ops->send_break = ser_base_send_break; | |
1254 | ops->go_raw = ser_base_raw; | |
1255 | ops->get_tty_state = ser_base_get_tty_state; | |
1256 | ops->set_tty_state = ser_base_set_tty_state; | |
1257 | ops->print_tty_state = ser_base_print_tty_state; | |
1258 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1259 | ops->setbaudrate = ser_base_setbaudrate; | |
1260 | ops->setstopbits = ser_base_setstopbits; | |
1261 | ops->drain_output = ser_base_drain_output; | |
1262 | ops->async = ser_base_async; | |
1263 | ops->read_prim = net_read_prim; | |
1264 | ops->write_prim = net_write_prim; | |
1265 | ops->wait_handle = net_windows_wait_handle; | |
c3e2b812 | 1266 | ops->done_wait_handle = net_windows_done_wait_handle; |
0ea3f30e DJ |
1267 | serial_add_interface (ops); |
1268 | } |