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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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
0ea3f30e DJ |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
0ea3f30e DJ |
19 | |
20 | #include "defs.h" | |
21 | #include "serial.h" | |
22 | #include "ser-base.h" | |
23 | #include "ser-tcp.h" | |
24 | ||
25 | #include <windows.h> | |
c3e2b812 | 26 | #include <conio.h> |
0ea3f30e DJ |
27 | |
28 | #include <fcntl.h> | |
29 | #include <unistd.h> | |
30 | #include <sys/types.h> | |
31 | ||
32 | #include "gdb_assert.h" | |
33 | #include "gdb_string.h" | |
34 | ||
35 | void _initialize_ser_windows (void); | |
36 | ||
37 | struct ser_windows_state | |
38 | { | |
39 | int in_progress; | |
40 | OVERLAPPED ov; | |
41 | DWORD lastCommMask; | |
42 | HANDLE except_event; | |
43 | }; | |
44 | ||
45 | /* Open up a real live device for serial I/O. */ | |
46 | ||
47 | static int | |
48 | ser_windows_open (struct serial *scb, const char *name) | |
49 | { | |
50 | HANDLE h; | |
51 | struct ser_windows_state *state; | |
52 | COMMTIMEOUTS timeouts; | |
53 | ||
54 | /* Only allow COM ports. */ | |
55 | if (strncmp (name, "COM", 3) != 0) | |
56 | { | |
57 | errno = ENOENT; | |
58 | return -1; | |
59 | } | |
60 | ||
61 | h = CreateFile (name, GENERIC_READ | GENERIC_WRITE, 0, NULL, | |
62 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL); | |
63 | if (h == INVALID_HANDLE_VALUE) | |
64 | { | |
65 | errno = ENOENT; | |
66 | return -1; | |
67 | } | |
68 | ||
69 | scb->fd = _open_osfhandle ((long) h, O_RDWR); | |
70 | if (scb->fd < 0) | |
71 | { | |
72 | errno = ENOENT; | |
73 | return -1; | |
74 | } | |
75 | ||
76 | if (!SetCommMask (h, EV_RXCHAR)) | |
77 | { | |
78 | errno = EINVAL; | |
79 | return -1; | |
80 | } | |
81 | ||
82 | timeouts.ReadIntervalTimeout = MAXDWORD; | |
83 | timeouts.ReadTotalTimeoutConstant = 0; | |
84 | timeouts.ReadTotalTimeoutMultiplier = 0; | |
85 | timeouts.WriteTotalTimeoutConstant = 0; | |
86 | timeouts.WriteTotalTimeoutMultiplier = 0; | |
87 | if (!SetCommTimeouts (h, &timeouts)) | |
88 | { | |
89 | errno = EINVAL; | |
90 | return -1; | |
91 | } | |
92 | ||
93 | state = xmalloc (sizeof (struct ser_windows_state)); | |
94 | memset (state, 0, sizeof (struct ser_windows_state)); | |
95 | scb->state = state; | |
96 | ||
97 | /* Create a manual reset event to watch the input buffer. */ | |
98 | state->ov.hEvent = CreateEvent (0, TRUE, FALSE, 0); | |
99 | ||
100 | /* Create a (currently unused) handle to record exceptions. */ | |
101 | state->except_event = CreateEvent (0, TRUE, FALSE, 0); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | /* Wait for the output to drain away, as opposed to flushing (discarding) | |
107 | it. */ | |
108 | ||
109 | static int | |
110 | ser_windows_drain_output (struct serial *scb) | |
111 | { | |
112 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
113 | ||
114 | return (FlushFileBuffers (h) != 0) ? 0 : -1; | |
115 | } | |
116 | ||
117 | static int | |
118 | ser_windows_flush_output (struct serial *scb) | |
119 | { | |
120 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
121 | ||
122 | return (PurgeComm (h, PURGE_TXCLEAR) != 0) ? 0 : -1; | |
123 | } | |
124 | ||
125 | static int | |
126 | ser_windows_flush_input (struct serial *scb) | |
127 | { | |
128 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
129 | ||
130 | return (PurgeComm (h, PURGE_RXCLEAR) != 0) ? 0 : -1; | |
131 | } | |
132 | ||
133 | static int | |
134 | ser_windows_send_break (struct serial *scb) | |
135 | { | |
136 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
137 | ||
138 | if (SetCommBreak (h) == 0) | |
139 | return -1; | |
140 | ||
141 | /* Delay for 250 milliseconds. */ | |
142 | Sleep (250); | |
143 | ||
144 | if (ClearCommBreak (h)) | |
145 | return -1; | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
150 | static void | |
151 | ser_windows_raw (struct serial *scb) | |
152 | { | |
153 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
154 | DCB state; | |
155 | ||
156 | if (GetCommState (h, &state) == 0) | |
157 | return; | |
158 | ||
159 | state.fParity = FALSE; | |
160 | state.fOutxCtsFlow = FALSE; | |
161 | state.fOutxDsrFlow = FALSE; | |
162 | state.fDtrControl = DTR_CONTROL_ENABLE; | |
163 | state.fDsrSensitivity = FALSE; | |
164 | state.fOutX = FALSE; | |
165 | state.fInX = FALSE; | |
166 | state.fNull = FALSE; | |
167 | state.fAbortOnError = FALSE; | |
168 | state.ByteSize = 8; | |
169 | state.Parity = NOPARITY; | |
170 | ||
171 | scb->current_timeout = 0; | |
172 | ||
173 | if (SetCommState (h, &state) == 0) | |
174 | warning (_("SetCommState failed\n")); | |
175 | } | |
176 | ||
177 | static int | |
178 | ser_windows_setstopbits (struct serial *scb, int num) | |
179 | { | |
180 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
181 | DCB state; | |
182 | ||
183 | if (GetCommState (h, &state) == 0) | |
184 | return -1; | |
185 | ||
186 | switch (num) | |
187 | { | |
188 | case SERIAL_1_STOPBITS: | |
189 | state.StopBits = ONESTOPBIT; | |
190 | break; | |
191 | case SERIAL_1_AND_A_HALF_STOPBITS: | |
192 | state.StopBits = ONE5STOPBITS; | |
193 | break; | |
194 | case SERIAL_2_STOPBITS: | |
195 | state.StopBits = TWOSTOPBITS; | |
196 | break; | |
197 | default: | |
198 | return 1; | |
199 | } | |
200 | ||
201 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
202 | } | |
203 | ||
204 | static int | |
205 | ser_windows_setbaudrate (struct serial *scb, int rate) | |
206 | { | |
207 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
208 | DCB state; | |
209 | ||
210 | if (GetCommState (h, &state) == 0) | |
211 | return -1; | |
212 | ||
213 | state.BaudRate = rate; | |
214 | ||
215 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
216 | } | |
217 | ||
218 | static void | |
219 | ser_windows_close (struct serial *scb) | |
220 | { | |
221 | struct ser_windows_state *state; | |
222 | ||
223 | /* Stop any pending selects. */ | |
224 | CancelIo ((HANDLE) _get_osfhandle (scb->fd)); | |
225 | state = scb->state; | |
226 | CloseHandle (state->ov.hEvent); | |
227 | CloseHandle (state->except_event); | |
228 | ||
229 | if (scb->fd < 0) | |
230 | return; | |
231 | ||
232 | close (scb->fd); | |
233 | scb->fd = -1; | |
234 | ||
235 | xfree (scb->state); | |
236 | } | |
237 | ||
238 | static void | |
239 | ser_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
240 | { | |
241 | struct ser_windows_state *state; | |
242 | COMSTAT status; | |
243 | DWORD errors; | |
244 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
245 | ||
246 | state = scb->state; | |
247 | ||
248 | *except = state->except_event; | |
249 | *read = state->ov.hEvent; | |
250 | ||
251 | if (state->in_progress) | |
252 | return; | |
253 | ||
254 | /* Reset the mask - we are only interested in any characters which | |
255 | arrive after this point, not characters which might have arrived | |
256 | and already been read. */ | |
257 | ||
258 | /* This really, really shouldn't be necessary - just the second one. | |
259 | But otherwise an internal flag for EV_RXCHAR does not get | |
260 | cleared, and we get a duplicated event, if the last batch | |
261 | of characters included at least two arriving close together. */ | |
262 | if (!SetCommMask (h, 0)) | |
263 | warning (_("ser_windows_wait_handle: reseting mask failed")); | |
264 | ||
265 | if (!SetCommMask (h, EV_RXCHAR)) | |
266 | warning (_("ser_windows_wait_handle: reseting mask failed (2)")); | |
267 | ||
268 | /* There's a potential race condition here; we must check cbInQue | |
269 | and not wait if that's nonzero. */ | |
270 | ||
271 | ClearCommError (h, &errors, &status); | |
272 | if (status.cbInQue > 0) | |
273 | { | |
274 | SetEvent (state->ov.hEvent); | |
275 | return; | |
276 | } | |
277 | ||
278 | state->in_progress = 1; | |
279 | ResetEvent (state->ov.hEvent); | |
280 | state->lastCommMask = -2; | |
281 | if (WaitCommEvent (h, &state->lastCommMask, &state->ov)) | |
282 | { | |
283 | gdb_assert (state->lastCommMask & EV_RXCHAR); | |
284 | SetEvent (state->ov.hEvent); | |
285 | } | |
286 | else | |
287 | gdb_assert (GetLastError () == ERROR_IO_PENDING); | |
288 | } | |
289 | ||
290 | static int | |
291 | ser_windows_read_prim (struct serial *scb, size_t count) | |
292 | { | |
293 | struct ser_windows_state *state; | |
294 | OVERLAPPED ov; | |
295 | DWORD bytes_read, bytes_read_tmp; | |
296 | HANDLE h; | |
297 | gdb_byte *p; | |
298 | ||
299 | state = scb->state; | |
300 | if (state->in_progress) | |
301 | { | |
302 | WaitForSingleObject (state->ov.hEvent, INFINITE); | |
303 | state->in_progress = 0; | |
304 | ResetEvent (state->ov.hEvent); | |
305 | } | |
306 | ||
307 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
308 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
309 | h = (HANDLE) _get_osfhandle (scb->fd); | |
310 | ||
311 | if (!ReadFile (h, scb->buf, /* count */ 1, &bytes_read, &ov)) | |
312 | { | |
313 | if (GetLastError () != ERROR_IO_PENDING | |
314 | || !GetOverlappedResult (h, &ov, &bytes_read, TRUE)) | |
315 | bytes_read = -1; | |
316 | } | |
317 | ||
318 | CloseHandle (ov.hEvent); | |
319 | return bytes_read; | |
320 | } | |
321 | ||
322 | static int | |
323 | ser_windows_write_prim (struct serial *scb, const void *buf, size_t len) | |
324 | { | |
325 | struct ser_windows_state *state; | |
326 | OVERLAPPED ov; | |
327 | DWORD bytes_written; | |
328 | HANDLE h; | |
329 | ||
330 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
331 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
332 | h = (HANDLE) _get_osfhandle (scb->fd); | |
333 | if (!WriteFile (h, buf, len, &bytes_written, &ov)) | |
334 | { | |
335 | if (GetLastError () != ERROR_IO_PENDING | |
336 | || !GetOverlappedResult (h, &ov, &bytes_written, TRUE)) | |
337 | bytes_written = -1; | |
338 | } | |
339 | ||
340 | CloseHandle (ov.hEvent); | |
341 | return bytes_written; | |
342 | } | |
343 | ||
344 | struct ser_console_state | |
345 | { | |
346 | HANDLE read_event; | |
347 | HANDLE except_event; | |
348 | ||
349 | HANDLE start_select; | |
350 | HANDLE stop_select; | |
c3e2b812 DJ |
351 | HANDLE exit_select; |
352 | HANDLE have_stopped; | |
353 | ||
354 | HANDLE thread; | |
0ea3f30e DJ |
355 | }; |
356 | ||
357 | static DWORD WINAPI | |
358 | console_select_thread (void *arg) | |
359 | { | |
360 | struct serial *scb = arg; | |
c3e2b812 DJ |
361 | struct ser_console_state *state; |
362 | int event_index; | |
0ea3f30e DJ |
363 | HANDLE h; |
364 | ||
c3e2b812 DJ |
365 | state = scb->state; |
366 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
367 | |
368 | while (1) | |
369 | { | |
370 | HANDLE wait_events[2]; | |
371 | INPUT_RECORD record; | |
372 | DWORD n_records; | |
373 | ||
c3e2b812 DJ |
374 | SetEvent (state->have_stopped); |
375 | ||
0ea3f30e | 376 | wait_events[0] = state->start_select; |
c3e2b812 | 377 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
378 | |
379 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
380 | return 0; |
381 | ||
382 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
383 | |
384 | retry: | |
385 | wait_events[0] = state->stop_select; | |
386 | wait_events[1] = h; | |
387 | ||
388 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); | |
389 | ||
390 | if (event_index == WAIT_OBJECT_0 | |
391 | || WaitForSingleObject (state->stop_select, 0) == WAIT_OBJECT_0) | |
c3e2b812 | 392 | continue; |
0ea3f30e DJ |
393 | |
394 | if (event_index != WAIT_OBJECT_0 + 1) | |
395 | { | |
396 | /* Wait must have failed; assume an error has occured, e.g. | |
397 | the handle has been closed. */ | |
398 | SetEvent (state->except_event); | |
399 | continue; | |
400 | } | |
401 | ||
402 | /* We've got a pending event on the console. See if it's | |
403 | of interest. */ | |
404 | if (!PeekConsoleInput (h, &record, 1, &n_records) || n_records != 1) | |
405 | { | |
406 | /* Something went wrong. Maybe the console is gone. */ | |
407 | SetEvent (state->except_event); | |
408 | continue; | |
409 | } | |
410 | ||
411 | if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) | |
412 | { | |
c3e2b812 DJ |
413 | WORD keycode = record.Event.KeyEvent.wVirtualKeyCode; |
414 | ||
415 | /* Ignore events containing only control keys. We must | |
416 | recognize "enhanced" keys which we are interested in | |
417 | reading via getch, if they do not map to ASCII. But we | |
418 | do not want to report input available for e.g. the | |
419 | control key alone. */ | |
420 | ||
421 | if (record.Event.KeyEvent.uChar.AsciiChar != 0 | |
422 | || keycode == VK_PRIOR | |
423 | || keycode == VK_NEXT | |
424 | || keycode == VK_END | |
425 | || keycode == VK_HOME | |
426 | || keycode == VK_LEFT | |
427 | || keycode == VK_UP | |
428 | || keycode == VK_RIGHT | |
429 | || keycode == VK_DOWN | |
430 | || keycode == VK_INSERT | |
431 | || keycode == VK_DELETE) | |
432 | { | |
433 | /* This is really a keypress. */ | |
434 | SetEvent (state->read_event); | |
435 | continue; | |
436 | } | |
0ea3f30e DJ |
437 | } |
438 | ||
439 | /* Otherwise discard it and wait again. */ | |
440 | ReadConsoleInput (h, &record, 1, &n_records); | |
441 | goto retry; | |
442 | } | |
443 | } | |
444 | ||
445 | static int | |
446 | fd_is_pipe (int fd) | |
447 | { | |
448 | if (PeekNamedPipe ((HANDLE) _get_osfhandle (fd), NULL, 0, NULL, NULL, NULL)) | |
449 | return 1; | |
450 | else | |
451 | return 0; | |
452 | } | |
453 | ||
7e71daaa JG |
454 | static int |
455 | fd_is_file (int fd) | |
456 | { | |
457 | if (GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_DISK) | |
458 | return 1; | |
459 | else | |
460 | return 0; | |
461 | } | |
462 | ||
0ea3f30e DJ |
463 | static DWORD WINAPI |
464 | pipe_select_thread (void *arg) | |
465 | { | |
466 | struct serial *scb = arg; | |
c3e2b812 DJ |
467 | struct ser_console_state *state; |
468 | int event_index; | |
0ea3f30e DJ |
469 | HANDLE h; |
470 | ||
c3e2b812 DJ |
471 | state = scb->state; |
472 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
473 | |
474 | while (1) | |
475 | { | |
476 | HANDLE wait_events[2]; | |
477 | DWORD n_avail; | |
478 | ||
c3e2b812 DJ |
479 | SetEvent (state->have_stopped); |
480 | ||
0ea3f30e | 481 | wait_events[0] = state->start_select; |
c3e2b812 | 482 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
483 | |
484 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
485 | return 0; |
486 | ||
487 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
488 | |
489 | retry: | |
490 | if (!PeekNamedPipe (h, NULL, 0, NULL, &n_avail, NULL)) | |
491 | { | |
492 | SetEvent (state->except_event); | |
493 | continue; | |
494 | } | |
495 | ||
496 | if (n_avail > 0) | |
497 | { | |
498 | SetEvent (state->read_event); | |
499 | continue; | |
500 | } | |
501 | ||
c3e2b812 DJ |
502 | /* Delay 10ms before checking again, but allow the stop event |
503 | to wake us. */ | |
504 | if (WaitForSingleObject (state->stop_select, 10) == WAIT_OBJECT_0) | |
505 | continue; | |
0ea3f30e | 506 | |
0ea3f30e DJ |
507 | goto retry; |
508 | } | |
509 | } | |
510 | ||
7e71daaa JG |
511 | static DWORD WINAPI |
512 | file_select_thread (void *arg) | |
513 | { | |
514 | struct serial *scb = arg; | |
515 | struct ser_console_state *state; | |
516 | int event_index; | |
517 | HANDLE h; | |
518 | ||
519 | state = scb->state; | |
520 | h = (HANDLE) _get_osfhandle (scb->fd); | |
521 | ||
522 | while (1) | |
523 | { | |
524 | HANDLE wait_events[2]; | |
525 | DWORD n_avail; | |
526 | ||
527 | SetEvent (state->have_stopped); | |
528 | ||
529 | wait_events[0] = state->start_select; | |
530 | wait_events[1] = state->exit_select; | |
531 | ||
532 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
533 | return 0; | |
534 | ||
535 | ResetEvent (state->have_stopped); | |
536 | ||
537 | if (SetFilePointer (h, 0, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER) | |
538 | { | |
539 | SetEvent (state->except_event); | |
540 | continue; | |
541 | } | |
542 | ||
543 | SetEvent (state->read_event); | |
544 | } | |
545 | } | |
546 | ||
0ea3f30e DJ |
547 | static void |
548 | ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
549 | { | |
550 | struct ser_console_state *state = scb->state; | |
551 | ||
552 | if (state == NULL) | |
553 | { | |
554 | DWORD threadId; | |
555 | int is_tty; | |
556 | ||
557 | is_tty = isatty (scb->fd); | |
7e71daaa | 558 | if (!is_tty && !fd_is_file (scb->fd) && !fd_is_pipe (scb->fd)) |
0ea3f30e DJ |
559 | { |
560 | *read = NULL; | |
561 | *except = NULL; | |
562 | return; | |
563 | } | |
564 | ||
565 | state = xmalloc (sizeof (struct ser_console_state)); | |
566 | memset (state, 0, sizeof (struct ser_console_state)); | |
567 | scb->state = state; | |
568 | ||
c3e2b812 DJ |
569 | /* Create auto reset events to wake, stop, and exit the select |
570 | thread. */ | |
0ea3f30e DJ |
571 | state->start_select = CreateEvent (0, FALSE, FALSE, 0); |
572 | state->stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
c3e2b812 | 573 | state->exit_select = CreateEvent (0, FALSE, FALSE, 0); |
0ea3f30e | 574 | |
c3e2b812 DJ |
575 | /* Create a manual reset event to signal whether the thread is |
576 | stopped. This must be manual reset, because we may wait on | |
577 | it multiple times without ever starting the thread. */ | |
578 | state->have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
579 | ||
580 | /* Create our own events to report read and exceptions separately. */ | |
0ea3f30e DJ |
581 | state->read_event = CreateEvent (0, FALSE, FALSE, 0); |
582 | state->except_event = CreateEvent (0, FALSE, FALSE, 0); | |
583 | ||
0ea3f30e | 584 | if (is_tty) |
c3e2b812 DJ |
585 | state->thread = CreateThread (NULL, 0, console_select_thread, scb, 0, |
586 | &threadId); | |
7e71daaa | 587 | else if (fd_is_pipe (scb->fd)) |
c3e2b812 DJ |
588 | state->thread = CreateThread (NULL, 0, pipe_select_thread, scb, 0, |
589 | &threadId); | |
7e71daaa JG |
590 | else |
591 | state->thread = CreateThread (NULL, 0, file_select_thread, scb, 0, | |
592 | &threadId); | |
0ea3f30e DJ |
593 | } |
594 | ||
c3e2b812 DJ |
595 | *read = state->read_event; |
596 | *except = state->except_event; | |
597 | ||
598 | /* Start from a blank state. */ | |
0ea3f30e DJ |
599 | ResetEvent (state->read_event); |
600 | ResetEvent (state->except_event); | |
c3e2b812 DJ |
601 | ResetEvent (state->stop_select); |
602 | ||
603 | /* First check for a key already in the buffer. If there is one, | |
604 | we don't need a thread. This also catches the second key of | |
605 | multi-character returns from getch, for instance for arrow | |
606 | keys. The second half is in a C library internal buffer, | |
607 | and PeekConsoleInput will not find it. */ | |
608 | if (_kbhit ()) | |
609 | { | |
610 | SetEvent (state->read_event); | |
611 | return; | |
612 | } | |
0ea3f30e | 613 | |
c3e2b812 | 614 | /* Otherwise, start the select thread. */ |
0ea3f30e | 615 | SetEvent (state->start_select); |
c3e2b812 | 616 | } |
0ea3f30e | 617 | |
c3e2b812 DJ |
618 | static void |
619 | ser_console_done_wait_handle (struct serial *scb) | |
620 | { | |
621 | struct ser_console_state *state = scb->state; | |
622 | ||
623 | if (state == NULL) | |
624 | return; | |
625 | ||
626 | SetEvent (state->stop_select); | |
627 | WaitForSingleObject (state->have_stopped, INFINITE); | |
0ea3f30e DJ |
628 | } |
629 | ||
630 | static void | |
631 | ser_console_close (struct serial *scb) | |
632 | { | |
633 | struct ser_console_state *state = scb->state; | |
634 | ||
635 | if (scb->state) | |
636 | { | |
c3e2b812 DJ |
637 | SetEvent (state->exit_select); |
638 | ||
639 | WaitForSingleObject (state->thread, INFINITE); | |
640 | ||
641 | CloseHandle (state->start_select); | |
642 | CloseHandle (state->stop_select); | |
643 | CloseHandle (state->exit_select); | |
644 | CloseHandle (state->have_stopped); | |
0ea3f30e DJ |
645 | |
646 | CloseHandle (state->read_event); | |
647 | CloseHandle (state->except_event); | |
648 | ||
649 | xfree (scb->state); | |
650 | } | |
651 | } | |
652 | ||
653 | struct ser_console_ttystate | |
654 | { | |
655 | int is_a_tty; | |
656 | }; | |
657 | ||
658 | static serial_ttystate | |
659 | ser_console_get_tty_state (struct serial *scb) | |
660 | { | |
661 | if (isatty (scb->fd)) | |
662 | { | |
663 | struct ser_console_ttystate *state; | |
664 | state = (struct ser_console_ttystate *) xmalloc (sizeof *state); | |
665 | state->is_a_tty = 1; | |
666 | return state; | |
667 | } | |
668 | else | |
669 | return NULL; | |
670 | } | |
671 | ||
5f1fb6dc JB |
672 | struct pipe_state |
673 | { | |
674 | /* Since we use the pipe_select_thread for our select emulation, | |
675 | we need to place the state structure it requires at the front | |
676 | of our state. */ | |
677 | struct ser_console_state wait; | |
678 | ||
679 | /* The pex obj for our (one-stage) pipeline. */ | |
680 | struct pex_obj *pex; | |
681 | ||
682 | /* Streams for the pipeline's input and output. */ | |
683 | FILE *input, *output; | |
684 | }; | |
685 | ||
686 | static struct pipe_state * | |
687 | make_pipe_state (void) | |
688 | { | |
689 | struct pipe_state *ps = XMALLOC (struct pipe_state); | |
690 | ||
691 | memset (ps, 0, sizeof (*ps)); | |
692 | ps->wait.read_event = INVALID_HANDLE_VALUE; | |
693 | ps->wait.except_event = INVALID_HANDLE_VALUE; | |
694 | ps->wait.start_select = INVALID_HANDLE_VALUE; | |
695 | ps->wait.stop_select = INVALID_HANDLE_VALUE; | |
696 | ||
697 | return ps; | |
698 | } | |
699 | ||
700 | static void | |
701 | free_pipe_state (struct pipe_state *ps) | |
702 | { | |
703 | int saved_errno = errno; | |
704 | ||
705 | if (ps->wait.read_event != INVALID_HANDLE_VALUE) | |
774a49c0 DJ |
706 | { |
707 | SetEvent (ps->wait.exit_select); | |
708 | ||
709 | WaitForSingleObject (ps->wait.thread, INFINITE); | |
5f1fb6dc | 710 | |
774a49c0 DJ |
711 | CloseHandle (ps->wait.start_select); |
712 | CloseHandle (ps->wait.stop_select); | |
713 | CloseHandle (ps->wait.exit_select); | |
714 | CloseHandle (ps->wait.have_stopped); | |
715 | ||
716 | CloseHandle (ps->wait.read_event); | |
717 | CloseHandle (ps->wait.except_event); | |
718 | } | |
5f1fb6dc JB |
719 | |
720 | /* Close the pipe to the child. We must close the pipe before | |
721 | calling pex_free because pex_free will wait for the child to exit | |
722 | and the child will not exit until the pipe is closed. */ | |
723 | if (ps->input) | |
724 | fclose (ps->input); | |
725 | if (ps->pex) | |
726 | pex_free (ps->pex); | |
727 | /* pex_free closes ps->output. */ | |
728 | ||
729 | xfree (ps); | |
730 | ||
731 | errno = saved_errno; | |
732 | } | |
733 | ||
734 | static void | |
735 | cleanup_pipe_state (void *untyped) | |
736 | { | |
737 | struct pipe_state *ps = untyped; | |
738 | ||
739 | free_pipe_state (ps); | |
740 | } | |
741 | ||
742 | static int | |
743 | pipe_windows_open (struct serial *scb, const char *name) | |
744 | { | |
ef7723eb | 745 | struct pipe_state *ps; |
65cc4390 | 746 | FILE *pex_stderr; |
ef7723eb | 747 | |
5f1fb6dc JB |
748 | char **argv = buildargv (name); |
749 | struct cleanup *back_to = make_cleanup_freeargv (argv); | |
750 | if (! argv[0] || argv[0][0] == '\0') | |
751 | error ("missing child command"); | |
752 | ||
ef7723eb VP |
753 | |
754 | ps = make_pipe_state (); | |
5f1fb6dc JB |
755 | make_cleanup (cleanup_pipe_state, ps); |
756 | ||
757 | ps->pex = pex_init (PEX_USE_PIPES, "target remote pipe", NULL); | |
758 | if (! ps->pex) | |
759 | goto fail; | |
760 | ps->input = pex_input_pipe (ps->pex, 1); | |
761 | if (! ps->input) | |
762 | goto fail; | |
763 | ||
764 | { | |
765 | int err; | |
766 | const char *err_msg | |
65cc4390 VP |
767 | = pex_run (ps->pex, PEX_SEARCH | PEX_BINARY_INPUT | PEX_BINARY_OUTPUT |
768 | | PEX_STDERR_TO_PIPE, | |
5f1fb6dc JB |
769 | argv[0], argv, NULL, NULL, |
770 | &err); | |
771 | ||
772 | if (err_msg) | |
773 | { | |
774 | /* Our caller expects us to return -1, but all they'll do with | |
775 | it generally is print the message based on errno. We have | |
776 | all the same information here, plus err_msg provided by | |
777 | pex_run, so we just raise the error here. */ | |
778 | if (err) | |
779 | error ("error starting child process '%s': %s: %s", | |
780 | name, err_msg, safe_strerror (err)); | |
781 | else | |
782 | error ("error starting child process '%s': %s", | |
783 | name, err_msg); | |
784 | } | |
785 | } | |
786 | ||
787 | ps->output = pex_read_output (ps->pex, 1); | |
788 | if (! ps->output) | |
789 | goto fail; | |
5f1fb6dc | 790 | scb->fd = fileno (ps->output); |
65cc4390 VP |
791 | |
792 | pex_stderr = pex_read_err (ps->pex, 1); | |
793 | if (! pex_stderr) | |
794 | goto fail; | |
795 | scb->error_fd = fileno (pex_stderr); | |
796 | ||
5f1fb6dc JB |
797 | scb->state = (void *) ps; |
798 | ||
799 | discard_cleanups (back_to); | |
800 | return 0; | |
801 | ||
802 | fail: | |
803 | do_cleanups (back_to); | |
804 | return -1; | |
805 | } | |
806 | ||
807 | ||
808 | static void | |
809 | pipe_windows_close (struct serial *scb) | |
810 | { | |
811 | struct pipe_state *ps = scb->state; | |
812 | ||
813 | /* In theory, we should try to kill the subprocess here, but the pex | |
814 | interface doesn't give us enough information to do that. Usually | |
815 | closing the input pipe will get the message across. */ | |
816 | ||
817 | free_pipe_state (ps); | |
818 | } | |
819 | ||
820 | ||
821 | static int | |
822 | pipe_windows_read (struct serial *scb, size_t count) | |
823 | { | |
4998c1df | 824 | HANDLE pipeline_out = (HANDLE) _get_osfhandle (scb->fd); |
ef7723eb VP |
825 | DWORD available; |
826 | DWORD bytes_read; | |
827 | ||
5f1fb6dc JB |
828 | if (pipeline_out == INVALID_HANDLE_VALUE) |
829 | return -1; | |
830 | ||
5f1fb6dc JB |
831 | if (! PeekNamedPipe (pipeline_out, NULL, 0, NULL, &available, NULL)) |
832 | return -1; | |
833 | ||
834 | if (count > available) | |
835 | count = available; | |
836 | ||
5f1fb6dc JB |
837 | if (! ReadFile (pipeline_out, scb->buf, count, &bytes_read, NULL)) |
838 | return -1; | |
839 | ||
840 | return bytes_read; | |
841 | } | |
842 | ||
843 | ||
844 | static int | |
845 | pipe_windows_write (struct serial *scb, const void *buf, size_t count) | |
846 | { | |
847 | struct pipe_state *ps = scb->state; | |
ef7723eb VP |
848 | HANDLE pipeline_in; |
849 | DWORD written; | |
850 | ||
5f1fb6dc JB |
851 | int pipeline_in_fd = fileno (ps->input); |
852 | if (pipeline_in_fd < 0) | |
853 | return -1; | |
854 | ||
ef7723eb | 855 | pipeline_in = (HANDLE) _get_osfhandle (pipeline_in_fd); |
5f1fb6dc JB |
856 | if (pipeline_in == INVALID_HANDLE_VALUE) |
857 | return -1; | |
858 | ||
5f1fb6dc JB |
859 | if (! WriteFile (pipeline_in, buf, count, &written, NULL)) |
860 | return -1; | |
861 | ||
862 | return written; | |
863 | } | |
864 | ||
865 | ||
866 | static void | |
867 | pipe_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
868 | { | |
869 | struct pipe_state *ps = scb->state; | |
870 | ||
871 | /* Have we allocated our events yet? */ | |
872 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
873 | { | |
874 | DWORD threadId; | |
875 | ||
774a49c0 DJ |
876 | /* Create auto reset events to wake, stop, and exit the select |
877 | thread. */ | |
5f1fb6dc JB |
878 | ps->wait.start_select = CreateEvent (0, FALSE, FALSE, 0); |
879 | ps->wait.stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
774a49c0 DJ |
880 | ps->wait.exit_select = CreateEvent (0, FALSE, FALSE, 0); |
881 | ||
882 | /* Create a manual reset event to signal whether the thread is | |
883 | stopped. This must be manual reset, because we may wait on | |
884 | it multiple times without ever starting the thread. */ | |
885 | ps->wait.have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
5f1fb6dc JB |
886 | |
887 | /* Create our own events to report read and exceptions separately. | |
888 | The exception event is currently never used. */ | |
889 | ps->wait.read_event = CreateEvent (0, FALSE, FALSE, 0); | |
890 | ps->wait.except_event = CreateEvent (0, FALSE, FALSE, 0); | |
891 | ||
892 | /* Start the select thread. */ | |
893 | CreateThread (NULL, 0, pipe_select_thread, scb, 0, &threadId); | |
894 | } | |
895 | ||
774a49c0 DJ |
896 | *read = ps->wait.read_event; |
897 | *except = ps->wait.except_event; | |
898 | ||
899 | /* Start from a blank state. */ | |
5f1fb6dc JB |
900 | ResetEvent (ps->wait.read_event); |
901 | ResetEvent (ps->wait.except_event); | |
774a49c0 | 902 | ResetEvent (ps->wait.stop_select); |
5f1fb6dc | 903 | |
774a49c0 | 904 | /* Start the select thread. */ |
5f1fb6dc | 905 | SetEvent (ps->wait.start_select); |
5f1fb6dc JB |
906 | } |
907 | ||
774a49c0 DJ |
908 | static void |
909 | pipe_done_wait_handle (struct serial *scb) | |
910 | { | |
911 | struct pipe_state *ps = scb->state; | |
912 | ||
913 | /* Have we allocated our events yet? */ | |
914 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
915 | return; | |
916 | ||
917 | SetEvent (ps->wait.stop_select); | |
918 | WaitForSingleObject (ps->wait.have_stopped, INFINITE); | |
919 | } | |
5f1fb6dc | 920 | |
65cc4390 VP |
921 | static int |
922 | pipe_avail (struct serial *scb, int fd) | |
923 | { | |
924 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
925 | DWORD numBytes; | |
926 | BOOL r = PeekNamedPipe (h, NULL, 0, NULL, &numBytes, NULL); | |
927 | if (r == FALSE) | |
928 | numBytes = 0; | |
929 | return numBytes; | |
930 | } | |
931 | ||
0ea3f30e DJ |
932 | struct net_windows_state |
933 | { | |
934 | HANDLE read_event; | |
935 | HANDLE except_event; | |
936 | ||
937 | HANDLE start_select; | |
938 | HANDLE stop_select; | |
c3e2b812 DJ |
939 | HANDLE exit_select; |
940 | HANDLE have_stopped; | |
941 | ||
0ea3f30e | 942 | HANDLE sock_event; |
c3e2b812 DJ |
943 | |
944 | HANDLE thread; | |
0ea3f30e DJ |
945 | }; |
946 | ||
947 | static DWORD WINAPI | |
948 | net_windows_select_thread (void *arg) | |
949 | { | |
950 | struct serial *scb = arg; | |
951 | struct net_windows_state *state, state_copy; | |
c3e2b812 | 952 | int event_index; |
0ea3f30e | 953 | |
c3e2b812 | 954 | state = scb->state; |
0ea3f30e DJ |
955 | |
956 | while (1) | |
957 | { | |
958 | HANDLE wait_events[2]; | |
959 | WSANETWORKEVENTS events; | |
960 | ||
c3e2b812 DJ |
961 | SetEvent (state->have_stopped); |
962 | ||
0ea3f30e | 963 | wait_events[0] = state->start_select; |
c3e2b812 | 964 | wait_events[1] = state->exit_select; |
0ea3f30e DJ |
965 | |
966 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0) | |
c3e2b812 DJ |
967 | return 0; |
968 | ||
969 | ResetEvent (state->have_stopped); | |
0ea3f30e DJ |
970 | |
971 | wait_events[0] = state->stop_select; | |
972 | wait_events[1] = state->sock_event; | |
973 | ||
974 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); | |
975 | ||
976 | if (event_index == WAIT_OBJECT_0 | |
977 | || WaitForSingleObject (state->stop_select, 0) == WAIT_OBJECT_0) | |
c3e2b812 | 978 | continue; |
0ea3f30e DJ |
979 | |
980 | if (event_index != WAIT_OBJECT_0 + 1) | |
981 | { | |
982 | /* Some error has occured. Assume that this is an error | |
983 | condition. */ | |
984 | SetEvent (state->except_event); | |
985 | continue; | |
986 | } | |
987 | ||
988 | /* Enumerate the internal network events, and reset the object that | |
989 | signalled us to catch the next event. */ | |
c3e2b812 DJ |
990 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); |
991 | ||
992 | gdb_assert (events.lNetworkEvents & (FD_READ | FD_CLOSE)); | |
0ea3f30e DJ |
993 | |
994 | if (events.lNetworkEvents & FD_READ) | |
995 | SetEvent (state->read_event); | |
996 | ||
997 | if (events.lNetworkEvents & FD_CLOSE) | |
998 | SetEvent (state->except_event); | |
999 | } | |
1000 | } | |
1001 | ||
1002 | static void | |
1003 | net_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
1004 | { | |
1005 | struct net_windows_state *state = scb->state; | |
1006 | ||
c3e2b812 | 1007 | /* Start from a clean slate. */ |
0ea3f30e DJ |
1008 | ResetEvent (state->read_event); |
1009 | ResetEvent (state->except_event); | |
c3e2b812 | 1010 | ResetEvent (state->stop_select); |
0ea3f30e DJ |
1011 | |
1012 | *read = state->read_event; | |
1013 | *except = state->except_event; | |
c3e2b812 DJ |
1014 | |
1015 | /* Check any pending events. This both avoids starting the thread | |
1016 | unnecessarily, and handles stray FD_READ events (see below). */ | |
1017 | if (WaitForSingleObject (state->sock_event, 0) == WAIT_OBJECT_0) | |
1018 | { | |
1019 | WSANETWORKEVENTS events; | |
1020 | int any = 0; | |
1021 | ||
1022 | /* Enumerate the internal network events, and reset the object that | |
1023 | signalled us to catch the next event. */ | |
1024 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); | |
1025 | ||
1026 | /* You'd think that FD_READ or FD_CLOSE would be set here. But, | |
1027 | sometimes, neither is. I suspect that the FD_READ is set and | |
1028 | the corresponding event signalled while recv is running, and | |
1029 | the FD_READ is then lowered when recv consumes all the data, | |
1030 | but there's no way to un-signal the event. This isn't a | |
1031 | problem for the call in net_select_thread, since any new | |
1032 | events after this point will not have been drained by recv. | |
1033 | It just means that we can't have the obvious assert here. */ | |
1034 | ||
1035 | /* If there is a read event, it might be still valid, or it might | |
1036 | not be - it may have been signalled before we last called | |
1037 | recv. Double-check that there is data. */ | |
1038 | if (events.lNetworkEvents & FD_READ) | |
1039 | { | |
1040 | unsigned long available; | |
1041 | ||
1042 | if (ioctlsocket (scb->fd, FIONREAD, &available) == 0 | |
1043 | && available > 0) | |
1044 | { | |
1045 | SetEvent (state->read_event); | |
1046 | any = 1; | |
1047 | } | |
1048 | else | |
1049 | /* Oops, no data. This call to recv will cause future | |
1050 | data to retrigger the event, e.g. while we are | |
1051 | in net_select_thread. */ | |
1052 | recv (scb->fd, NULL, 0, 0); | |
1053 | } | |
1054 | ||
1055 | /* If there's a close event, then record it - it is obviously | |
1056 | still valid, and it will not be resignalled. */ | |
1057 | if (events.lNetworkEvents & FD_CLOSE) | |
1058 | { | |
1059 | SetEvent (state->except_event); | |
1060 | any = 1; | |
1061 | } | |
1062 | ||
1063 | /* If we set either handle, there's no need to wake the thread. */ | |
1064 | if (any) | |
1065 | return; | |
1066 | } | |
1067 | ||
1068 | /* Start the select thread. */ | |
1069 | SetEvent (state->start_select); | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | net_windows_done_wait_handle (struct serial *scb) | |
1074 | { | |
1075 | struct net_windows_state *state = scb->state; | |
1076 | ||
1077 | SetEvent (state->stop_select); | |
1078 | WaitForSingleObject (state->have_stopped, INFINITE); | |
0ea3f30e DJ |
1079 | } |
1080 | ||
1081 | static int | |
1082 | net_windows_open (struct serial *scb, const char *name) | |
1083 | { | |
1084 | struct net_windows_state *state; | |
1085 | int ret; | |
1086 | DWORD threadId; | |
1087 | ||
1088 | ret = net_open (scb, name); | |
1089 | if (ret != 0) | |
1090 | return ret; | |
1091 | ||
1092 | state = xmalloc (sizeof (struct net_windows_state)); | |
1093 | memset (state, 0, sizeof (struct net_windows_state)); | |
1094 | scb->state = state; | |
1095 | ||
c3e2b812 DJ |
1096 | /* Create auto reset events to wake, stop, and exit the select |
1097 | thread. */ | |
0ea3f30e DJ |
1098 | state->start_select = CreateEvent (0, FALSE, FALSE, 0); |
1099 | state->stop_select = CreateEvent (0, FALSE, FALSE, 0); | |
c3e2b812 DJ |
1100 | state->exit_select = CreateEvent (0, FALSE, FALSE, 0); |
1101 | ||
1102 | /* Create a manual reset event to signal whether the thread is | |
1103 | stopped. This must be manual reset, because we may wait on | |
1104 | it multiple times without ever starting the thread. */ | |
1105 | state->have_stopped = CreateEvent (0, TRUE, FALSE, 0); | |
0ea3f30e DJ |
1106 | |
1107 | /* Associate an event with the socket. */ | |
1108 | state->sock_event = CreateEvent (0, TRUE, FALSE, 0); | |
1109 | WSAEventSelect (scb->fd, state->sock_event, FD_READ | FD_CLOSE); | |
1110 | ||
1111 | /* Create our own events to report read and close separately. */ | |
1112 | state->read_event = CreateEvent (0, FALSE, FALSE, 0); | |
1113 | state->except_event = CreateEvent (0, FALSE, FALSE, 0); | |
1114 | ||
1115 | /* And finally start the select thread. */ | |
c3e2b812 DJ |
1116 | state->thread = CreateThread (NULL, 0, net_windows_select_thread, scb, 0, |
1117 | &threadId); | |
0ea3f30e DJ |
1118 | |
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | ||
1123 | static void | |
1124 | net_windows_close (struct serial *scb) | |
1125 | { | |
1126 | struct net_windows_state *state = scb->state; | |
1127 | ||
c3e2b812 DJ |
1128 | SetEvent (state->exit_select); |
1129 | WaitForSingleObject (state->thread, INFINITE); | |
0ea3f30e DJ |
1130 | |
1131 | CloseHandle (state->read_event); | |
1132 | CloseHandle (state->except_event); | |
c3e2b812 | 1133 | |
0ea3f30e | 1134 | CloseHandle (state->start_select); |
c3e2b812 DJ |
1135 | CloseHandle (state->stop_select); |
1136 | CloseHandle (state->exit_select); | |
1137 | CloseHandle (state->have_stopped); | |
1138 | ||
0ea3f30e DJ |
1139 | CloseHandle (state->sock_event); |
1140 | ||
1141 | xfree (scb->state); | |
1142 | ||
1143 | net_close (scb); | |
1144 | } | |
1145 | ||
1146 | void | |
1147 | _initialize_ser_windows (void) | |
1148 | { | |
1149 | WSADATA wsa_data; | |
1150 | struct serial_ops *ops; | |
1151 | ||
1152 | /* First register the serial port driver. */ | |
1153 | ||
1154 | ops = XMALLOC (struct serial_ops); | |
1155 | memset (ops, 0, sizeof (struct serial_ops)); | |
1156 | ops->name = "hardwire"; | |
1157 | ops->next = 0; | |
1158 | ops->open = ser_windows_open; | |
1159 | ops->close = ser_windows_close; | |
1160 | ||
1161 | ops->flush_output = ser_windows_flush_output; | |
1162 | ops->flush_input = ser_windows_flush_input; | |
1163 | ops->send_break = ser_windows_send_break; | |
1164 | ||
1165 | /* These are only used for stdin; we do not need them for serial | |
1166 | ports, so supply the standard dummies. */ | |
1167 | ops->get_tty_state = ser_base_get_tty_state; | |
1168 | ops->set_tty_state = ser_base_set_tty_state; | |
1169 | ops->print_tty_state = ser_base_print_tty_state; | |
1170 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1171 | ||
1172 | ops->go_raw = ser_windows_raw; | |
1173 | ops->setbaudrate = ser_windows_setbaudrate; | |
1174 | ops->setstopbits = ser_windows_setstopbits; | |
1175 | ops->drain_output = ser_windows_drain_output; | |
1176 | ops->readchar = ser_base_readchar; | |
1177 | ops->write = ser_base_write; | |
1178 | ops->async = ser_base_async; | |
1179 | ops->read_prim = ser_windows_read_prim; | |
1180 | ops->write_prim = ser_windows_write_prim; | |
1181 | ops->wait_handle = ser_windows_wait_handle; | |
1182 | ||
1183 | serial_add_interface (ops); | |
1184 | ||
1185 | /* Next create the dummy serial driver used for terminals. We only | |
1186 | provide the TTY-related methods. */ | |
1187 | ||
1188 | ops = XMALLOC (struct serial_ops); | |
1189 | memset (ops, 0, sizeof (struct serial_ops)); | |
1190 | ||
1191 | ops->name = "terminal"; | |
1192 | ops->next = 0; | |
1193 | ||
1194 | ops->close = ser_console_close; | |
1195 | ops->get_tty_state = ser_console_get_tty_state; | |
1196 | ops->set_tty_state = ser_base_set_tty_state; | |
1197 | ops->print_tty_state = ser_base_print_tty_state; | |
1198 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1199 | ops->drain_output = ser_base_drain_output; | |
1200 | ops->wait_handle = ser_console_wait_handle; | |
c3e2b812 | 1201 | ops->done_wait_handle = ser_console_done_wait_handle; |
0ea3f30e DJ |
1202 | |
1203 | serial_add_interface (ops); | |
1204 | ||
5f1fb6dc JB |
1205 | /* The pipe interface. */ |
1206 | ||
1207 | ops = XMALLOC (struct serial_ops); | |
1208 | memset (ops, 0, sizeof (struct serial_ops)); | |
1209 | ops->name = "pipe"; | |
1210 | ops->next = 0; | |
1211 | ops->open = pipe_windows_open; | |
1212 | ops->close = pipe_windows_close; | |
1213 | ops->readchar = ser_base_readchar; | |
1214 | ops->write = ser_base_write; | |
1215 | ops->flush_output = ser_base_flush_output; | |
1216 | ops->flush_input = ser_base_flush_input; | |
1217 | ops->send_break = ser_base_send_break; | |
1218 | ops->go_raw = ser_base_raw; | |
1219 | ops->get_tty_state = ser_base_get_tty_state; | |
1220 | ops->set_tty_state = ser_base_set_tty_state; | |
1221 | ops->print_tty_state = ser_base_print_tty_state; | |
1222 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1223 | ops->setbaudrate = ser_base_setbaudrate; | |
1224 | ops->setstopbits = ser_base_setstopbits; | |
1225 | ops->drain_output = ser_base_drain_output; | |
1226 | ops->async = ser_base_async; | |
1227 | ops->read_prim = pipe_windows_read; | |
1228 | ops->write_prim = pipe_windows_write; | |
1229 | ops->wait_handle = pipe_wait_handle; | |
774a49c0 | 1230 | ops->done_wait_handle = pipe_done_wait_handle; |
65cc4390 | 1231 | ops->avail = pipe_avail; |
5f1fb6dc JB |
1232 | |
1233 | serial_add_interface (ops); | |
1234 | ||
0ea3f30e DJ |
1235 | /* If WinSock works, register the TCP/UDP socket driver. */ |
1236 | ||
1237 | if (WSAStartup (MAKEWORD (1, 0), &wsa_data) != 0) | |
1238 | /* WinSock is unavailable. */ | |
1239 | return; | |
1240 | ||
1241 | ops = XMALLOC (struct serial_ops); | |
1242 | memset (ops, 0, sizeof (struct serial_ops)); | |
1243 | ops->name = "tcp"; | |
1244 | ops->next = 0; | |
1245 | ops->open = net_windows_open; | |
1246 | ops->close = net_windows_close; | |
1247 | ops->readchar = ser_base_readchar; | |
1248 | ops->write = ser_base_write; | |
1249 | ops->flush_output = ser_base_flush_output; | |
1250 | ops->flush_input = ser_base_flush_input; | |
1251 | ops->send_break = ser_base_send_break; | |
1252 | ops->go_raw = ser_base_raw; | |
1253 | ops->get_tty_state = ser_base_get_tty_state; | |
1254 | ops->set_tty_state = ser_base_set_tty_state; | |
1255 | ops->print_tty_state = ser_base_print_tty_state; | |
1256 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1257 | ops->setbaudrate = ser_base_setbaudrate; | |
1258 | ops->setstopbits = ser_base_setstopbits; | |
1259 | ops->drain_output = ser_base_drain_output; | |
1260 | ops->async = ser_base_async; | |
1261 | ops->read_prim = net_read_prim; | |
1262 | ops->write_prim = net_write_prim; | |
1263 | ops->wait_handle = net_windows_wait_handle; | |
c3e2b812 | 1264 | ops->done_wait_handle = net_windows_done_wait_handle; |
0ea3f30e DJ |
1265 | serial_add_interface (ops); |
1266 | } |