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0ea3f30e DJ |
1 | /* Serial interface for local (hardwired) serial ports on Windows systems |
2 | ||
9b254dd1 | 3 | Copyright (C) 2006, 2007, 2008 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 | ||
0ea3f30e DJ |
54 | h = CreateFile (name, GENERIC_READ | GENERIC_WRITE, 0, NULL, |
55 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL); | |
56 | if (h == INVALID_HANDLE_VALUE) | |
57 | { | |
58 | errno = ENOENT; | |
59 | return -1; | |
60 | } | |
61 | ||
62 | scb->fd = _open_osfhandle ((long) h, O_RDWR); | |
63 | if (scb->fd < 0) | |
64 | { | |
65 | errno = ENOENT; | |
66 | return -1; | |
67 | } | |
68 | ||
69 | if (!SetCommMask (h, EV_RXCHAR)) | |
70 | { | |
71 | errno = EINVAL; | |
72 | return -1; | |
73 | } | |
74 | ||
75 | timeouts.ReadIntervalTimeout = MAXDWORD; | |
76 | timeouts.ReadTotalTimeoutConstant = 0; | |
77 | timeouts.ReadTotalTimeoutMultiplier = 0; | |
78 | timeouts.WriteTotalTimeoutConstant = 0; | |
79 | timeouts.WriteTotalTimeoutMultiplier = 0; | |
80 | if (!SetCommTimeouts (h, &timeouts)) | |
81 | { | |
82 | errno = EINVAL; | |
83 | return -1; | |
84 | } | |
85 | ||
86 | state = xmalloc (sizeof (struct ser_windows_state)); | |
87 | memset (state, 0, sizeof (struct ser_windows_state)); | |
88 | scb->state = state; | |
89 | ||
90 | /* Create a manual reset event to watch the input buffer. */ | |
91 | state->ov.hEvent = CreateEvent (0, TRUE, FALSE, 0); | |
92 | ||
93 | /* Create a (currently unused) handle to record exceptions. */ | |
94 | state->except_event = CreateEvent (0, TRUE, FALSE, 0); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | /* Wait for the output to drain away, as opposed to flushing (discarding) | |
100 | it. */ | |
101 | ||
102 | static int | |
103 | ser_windows_drain_output (struct serial *scb) | |
104 | { | |
105 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
106 | ||
107 | return (FlushFileBuffers (h) != 0) ? 0 : -1; | |
108 | } | |
109 | ||
110 | static int | |
111 | ser_windows_flush_output (struct serial *scb) | |
112 | { | |
113 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
114 | ||
115 | return (PurgeComm (h, PURGE_TXCLEAR) != 0) ? 0 : -1; | |
116 | } | |
117 | ||
118 | static int | |
119 | ser_windows_flush_input (struct serial *scb) | |
120 | { | |
121 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
122 | ||
123 | return (PurgeComm (h, PURGE_RXCLEAR) != 0) ? 0 : -1; | |
124 | } | |
125 | ||
126 | static int | |
127 | ser_windows_send_break (struct serial *scb) | |
128 | { | |
129 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
130 | ||
131 | if (SetCommBreak (h) == 0) | |
132 | return -1; | |
133 | ||
134 | /* Delay for 250 milliseconds. */ | |
135 | Sleep (250); | |
136 | ||
137 | if (ClearCommBreak (h)) | |
138 | return -1; | |
139 | ||
140 | return 0; | |
141 | } | |
142 | ||
143 | static void | |
144 | ser_windows_raw (struct serial *scb) | |
145 | { | |
146 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
147 | DCB state; | |
148 | ||
149 | if (GetCommState (h, &state) == 0) | |
150 | return; | |
151 | ||
152 | state.fParity = FALSE; | |
153 | state.fOutxCtsFlow = FALSE; | |
154 | state.fOutxDsrFlow = FALSE; | |
155 | state.fDtrControl = DTR_CONTROL_ENABLE; | |
156 | state.fDsrSensitivity = FALSE; | |
157 | state.fOutX = FALSE; | |
158 | state.fInX = FALSE; | |
159 | state.fNull = FALSE; | |
160 | state.fAbortOnError = FALSE; | |
161 | state.ByteSize = 8; | |
162 | state.Parity = NOPARITY; | |
163 | ||
164 | scb->current_timeout = 0; | |
165 | ||
166 | if (SetCommState (h, &state) == 0) | |
167 | warning (_("SetCommState failed\n")); | |
168 | } | |
169 | ||
170 | static int | |
171 | ser_windows_setstopbits (struct serial *scb, int num) | |
172 | { | |
173 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
174 | DCB state; | |
175 | ||
176 | if (GetCommState (h, &state) == 0) | |
177 | return -1; | |
178 | ||
179 | switch (num) | |
180 | { | |
181 | case SERIAL_1_STOPBITS: | |
182 | state.StopBits = ONESTOPBIT; | |
183 | break; | |
184 | case SERIAL_1_AND_A_HALF_STOPBITS: | |
185 | state.StopBits = ONE5STOPBITS; | |
186 | break; | |
187 | case SERIAL_2_STOPBITS: | |
188 | state.StopBits = TWOSTOPBITS; | |
189 | break; | |
190 | default: | |
191 | return 1; | |
192 | } | |
193 | ||
194 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
195 | } | |
196 | ||
197 | static int | |
198 | ser_windows_setbaudrate (struct serial *scb, int rate) | |
199 | { | |
200 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
201 | DCB state; | |
202 | ||
203 | if (GetCommState (h, &state) == 0) | |
204 | return -1; | |
205 | ||
206 | state.BaudRate = rate; | |
207 | ||
208 | return (SetCommState (h, &state) != 0) ? 0 : -1; | |
209 | } | |
210 | ||
211 | static void | |
212 | ser_windows_close (struct serial *scb) | |
213 | { | |
214 | struct ser_windows_state *state; | |
215 | ||
216 | /* Stop any pending selects. */ | |
217 | CancelIo ((HANDLE) _get_osfhandle (scb->fd)); | |
218 | state = scb->state; | |
219 | CloseHandle (state->ov.hEvent); | |
220 | CloseHandle (state->except_event); | |
221 | ||
222 | if (scb->fd < 0) | |
223 | return; | |
224 | ||
225 | close (scb->fd); | |
226 | scb->fd = -1; | |
227 | ||
228 | xfree (scb->state); | |
229 | } | |
230 | ||
231 | static void | |
232 | ser_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
233 | { | |
234 | struct ser_windows_state *state; | |
235 | COMSTAT status; | |
236 | DWORD errors; | |
237 | HANDLE h = (HANDLE) _get_osfhandle (scb->fd); | |
238 | ||
239 | state = scb->state; | |
240 | ||
241 | *except = state->except_event; | |
242 | *read = state->ov.hEvent; | |
243 | ||
244 | if (state->in_progress) | |
245 | return; | |
246 | ||
247 | /* Reset the mask - we are only interested in any characters which | |
248 | arrive after this point, not characters which might have arrived | |
249 | and already been read. */ | |
250 | ||
251 | /* This really, really shouldn't be necessary - just the second one. | |
252 | But otherwise an internal flag for EV_RXCHAR does not get | |
253 | cleared, and we get a duplicated event, if the last batch | |
254 | of characters included at least two arriving close together. */ | |
255 | if (!SetCommMask (h, 0)) | |
256 | warning (_("ser_windows_wait_handle: reseting mask failed")); | |
257 | ||
258 | if (!SetCommMask (h, EV_RXCHAR)) | |
259 | warning (_("ser_windows_wait_handle: reseting mask failed (2)")); | |
260 | ||
261 | /* There's a potential race condition here; we must check cbInQue | |
262 | and not wait if that's nonzero. */ | |
263 | ||
264 | ClearCommError (h, &errors, &status); | |
265 | if (status.cbInQue > 0) | |
266 | { | |
267 | SetEvent (state->ov.hEvent); | |
268 | return; | |
269 | } | |
270 | ||
271 | state->in_progress = 1; | |
272 | ResetEvent (state->ov.hEvent); | |
273 | state->lastCommMask = -2; | |
274 | if (WaitCommEvent (h, &state->lastCommMask, &state->ov)) | |
275 | { | |
276 | gdb_assert (state->lastCommMask & EV_RXCHAR); | |
277 | SetEvent (state->ov.hEvent); | |
278 | } | |
279 | else | |
280 | gdb_assert (GetLastError () == ERROR_IO_PENDING); | |
281 | } | |
282 | ||
283 | static int | |
284 | ser_windows_read_prim (struct serial *scb, size_t count) | |
285 | { | |
286 | struct ser_windows_state *state; | |
287 | OVERLAPPED ov; | |
288 | DWORD bytes_read, bytes_read_tmp; | |
289 | HANDLE h; | |
290 | gdb_byte *p; | |
291 | ||
292 | state = scb->state; | |
293 | if (state->in_progress) | |
294 | { | |
295 | WaitForSingleObject (state->ov.hEvent, INFINITE); | |
296 | state->in_progress = 0; | |
297 | ResetEvent (state->ov.hEvent); | |
298 | } | |
299 | ||
300 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
301 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
302 | h = (HANDLE) _get_osfhandle (scb->fd); | |
303 | ||
304 | if (!ReadFile (h, scb->buf, /* count */ 1, &bytes_read, &ov)) | |
305 | { | |
306 | if (GetLastError () != ERROR_IO_PENDING | |
307 | || !GetOverlappedResult (h, &ov, &bytes_read, TRUE)) | |
308 | bytes_read = -1; | |
309 | } | |
310 | ||
311 | CloseHandle (ov.hEvent); | |
312 | return bytes_read; | |
313 | } | |
314 | ||
315 | static int | |
316 | ser_windows_write_prim (struct serial *scb, const void *buf, size_t len) | |
317 | { | |
318 | struct ser_windows_state *state; | |
319 | OVERLAPPED ov; | |
320 | DWORD bytes_written; | |
321 | HANDLE h; | |
322 | ||
323 | memset (&ov, 0, sizeof (OVERLAPPED)); | |
324 | ov.hEvent = CreateEvent (0, FALSE, FALSE, 0); | |
325 | h = (HANDLE) _get_osfhandle (scb->fd); | |
326 | if (!WriteFile (h, buf, len, &bytes_written, &ov)) | |
327 | { | |
328 | if (GetLastError () != ERROR_IO_PENDING | |
329 | || !GetOverlappedResult (h, &ov, &bytes_written, TRUE)) | |
330 | bytes_written = -1; | |
331 | } | |
332 | ||
333 | CloseHandle (ov.hEvent); | |
334 | return bytes_written; | |
335 | } | |
336 | ||
4577549b DJ |
337 | /* On Windows, gdb_select is implemented using WaitForMulpleObjects. |
338 | A "select thread" is created for each file descriptor. These | |
339 | threads looks for activity on the corresponding descriptor, using | |
340 | whatever techniques are appropriate for the descriptor type. When | |
341 | that activity occurs, the thread signals an appropriate event, | |
342 | which wakes up WaitForMultipleObjects. | |
343 | ||
344 | Each select thread is in one of two states: stopped or started. | |
345 | Select threads begin in the stopped state. When gdb_select is | |
346 | called, threads corresponding to the descriptors of interest are | |
347 | started by calling a wait_handle function. Each thread that | |
348 | notices activity signals the appropriate event and then reenters | |
349 | the stopped state. Before gdb_select returns it calls the | |
350 | wait_handle_done functions, which return the threads to the stopped | |
351 | state. */ | |
352 | ||
353 | enum select_thread_state { | |
354 | STS_STARTED, | |
355 | STS_STOPPED | |
356 | }; | |
357 | ||
0ea3f30e DJ |
358 | struct ser_console_state |
359 | { | |
4577549b DJ |
360 | /* Signaled by the select thread to indicate that data is available |
361 | on the file descriptor. */ | |
0ea3f30e | 362 | HANDLE read_event; |
4577549b DJ |
363 | /* Signaled by the select thread to indicate that an exception has |
364 | occurred on the file descriptor. */ | |
0ea3f30e | 365 | HANDLE except_event; |
4577549b DJ |
366 | /* Signaled by the select thread to indicate that it has entered the |
367 | started state. HAVE_STARTED and HAVE_STOPPED are never signaled | |
368 | simultaneously. */ | |
369 | HANDLE have_started; | |
370 | /* Signaled by the select thread to indicate that it has stopped, | |
371 | either because data is available (and READ_EVENT is signaled), | |
372 | because an exception has occurred (and EXCEPT_EVENT is signaled), | |
373 | or because STOP_SELECT was signaled. */ | |
374 | HANDLE have_stopped; | |
0ea3f30e | 375 | |
4577549b DJ |
376 | /* Signaled by the main program to tell the select thread to enter |
377 | the started state. */ | |
0ea3f30e | 378 | HANDLE start_select; |
4577549b DJ |
379 | /* Signaled by the main program to tell the select thread to enter |
380 | the stopped state. */ | |
0ea3f30e | 381 | HANDLE stop_select; |
4577549b DJ |
382 | /* Signaled by the main program to tell the select thread to |
383 | exit. */ | |
c3e2b812 | 384 | HANDLE exit_select; |
c3e2b812 | 385 | |
4577549b | 386 | /* The handle for the select thread. */ |
c3e2b812 | 387 | HANDLE thread; |
4577549b DJ |
388 | /* The state of the select thread. This field is only accessed in |
389 | the main program, never by the select thread itself. */ | |
390 | enum select_thread_state thread_state; | |
0ea3f30e DJ |
391 | }; |
392 | ||
4577549b DJ |
393 | /* Called by a select thread to enter the stopped state. This |
394 | function does not return until the thread has re-entered the | |
395 | started state. */ | |
396 | static void | |
397 | select_thread_wait (struct ser_console_state *state) | |
398 | { | |
399 | HANDLE wait_events[2]; | |
400 | ||
401 | /* There are two things that can wake us up: a request that we enter | |
402 | the started state, or that we exit this thread. */ | |
403 | wait_events[0] = state->start_select; | |
404 | wait_events[1] = state->exit_select; | |
405 | if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) | |
406 | != WAIT_OBJECT_0) | |
407 | /* Either the EXIT_SELECT event was signaled (requesting that the | |
408 | thread exit) or an error has occurred. In either case, we exit | |
409 | the thread. */ | |
410 | ExitThread (0); | |
411 | ||
412 | /* We are now in the started state. */ | |
413 | SetEvent (state->have_started); | |
414 | } | |
415 | ||
416 | typedef DWORD WINAPI (*thread_fn_type)(void *); | |
417 | ||
418 | /* Create a new select thread for SCB executing THREAD_FN. The STATE | |
419 | will be filled in by this function before return. */ | |
420 | void | |
421 | create_select_thread (thread_fn_type thread_fn, | |
422 | struct serial *scb, | |
423 | struct ser_console_state *state) | |
424 | { | |
425 | DWORD threadId; | |
426 | ||
427 | /* Create all of the events. These are all auto-reset events. */ | |
428 | state->read_event = CreateEvent (NULL, FALSE, FALSE, NULL); | |
429 | state->except_event = CreateEvent (NULL, FALSE, FALSE, NULL); | |
430 | state->have_started = CreateEvent (NULL, FALSE, FALSE, NULL); | |
431 | state->have_stopped = CreateEvent (NULL, FALSE, FALSE, NULL); | |
432 | state->start_select = CreateEvent (NULL, FALSE, FALSE, NULL); | |
433 | state->stop_select = CreateEvent (NULL, FALSE, FALSE, NULL); | |
434 | state->exit_select = CreateEvent (NULL, FALSE, FALSE, NULL); | |
435 | ||
436 | state->thread = CreateThread (NULL, 0, thread_fn, scb, 0, &threadId); | |
437 | /* The thread begins in the stopped state. */ | |
438 | state->thread_state = STS_STOPPED; | |
439 | } | |
440 | ||
441 | /* Destroy the select thread indicated by STATE. */ | |
442 | static void | |
443 | destroy_select_thread (struct ser_console_state *state) | |
444 | { | |
445 | /* Ask the thread to exit. */ | |
446 | SetEvent (state->exit_select); | |
447 | /* Wait until it does. */ | |
448 | WaitForSingleObject (state->thread, INFINITE); | |
449 | ||
450 | /* Destroy the events. */ | |
451 | CloseHandle (state->read_event); | |
452 | CloseHandle (state->except_event); | |
453 | CloseHandle (state->have_started); | |
454 | CloseHandle (state->have_stopped); | |
455 | CloseHandle (state->start_select); | |
456 | CloseHandle (state->stop_select); | |
457 | CloseHandle (state->exit_select); | |
458 | } | |
459 | ||
460 | /* Called by gdb_select to start the select thread indicated by STATE. | |
461 | This function does not return until the thread has started. */ | |
462 | static void | |
463 | start_select_thread (struct ser_console_state *state) | |
464 | { | |
465 | /* Ask the thread to start. */ | |
466 | SetEvent (state->start_select); | |
467 | /* Wait until it does. */ | |
468 | WaitForSingleObject (state->have_started, INFINITE); | |
469 | /* The thread is now started. */ | |
470 | state->thread_state = STS_STARTED; | |
471 | } | |
472 | ||
473 | /* Called by gdb_select to stop the select thread indicated by STATE. | |
474 | This function does not return until the thread has stopped. */ | |
475 | static void | |
476 | stop_select_thread (struct ser_console_state *state) | |
477 | { | |
478 | /* If the thread is already in the stopped state, we have nothing to | |
479 | do. Some of the wait_handle functions avoid calling | |
480 | start_select_thread if they notice activity on the relevant file | |
481 | descriptors. The wait_handle_done functions still call | |
482 | stop_select_thread -- but it is already stopped. */ | |
483 | if (state->thread_state != STS_STARTED) | |
484 | return; | |
485 | /* Ask the thread to stop. */ | |
486 | SetEvent (state->stop_select); | |
487 | /* Wait until it does. */ | |
488 | WaitForSingleObject (state->have_stopped, INFINITE); | |
489 | /* The thread is now stopped. */ | |
490 | state->thread_state = STS_STOPPED; | |
491 | } | |
492 | ||
0ea3f30e DJ |
493 | static DWORD WINAPI |
494 | console_select_thread (void *arg) | |
495 | { | |
496 | struct serial *scb = arg; | |
c3e2b812 DJ |
497 | struct ser_console_state *state; |
498 | int event_index; | |
0ea3f30e DJ |
499 | HANDLE h; |
500 | ||
c3e2b812 DJ |
501 | state = scb->state; |
502 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
503 | |
504 | while (1) | |
505 | { | |
506 | HANDLE wait_events[2]; | |
507 | INPUT_RECORD record; | |
508 | DWORD n_records; | |
509 | ||
4577549b | 510 | select_thread_wait (state); |
c3e2b812 | 511 | |
4577549b DJ |
512 | while (1) |
513 | { | |
514 | wait_events[0] = state->stop_select; | |
515 | wait_events[1] = h; | |
0ea3f30e | 516 | |
4577549b | 517 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); |
0ea3f30e | 518 | |
4577549b DJ |
519 | if (event_index == WAIT_OBJECT_0 |
520 | || WaitForSingleObject (state->stop_select, 0) == WAIT_OBJECT_0) | |
521 | break; | |
0ea3f30e | 522 | |
4577549b DJ |
523 | if (event_index != WAIT_OBJECT_0 + 1) |
524 | { | |
525 | /* Wait must have failed; assume an error has occured, e.g. | |
526 | the handle has been closed. */ | |
527 | SetEvent (state->except_event); | |
528 | break; | |
529 | } | |
0ea3f30e | 530 | |
4577549b DJ |
531 | /* We've got a pending event on the console. See if it's |
532 | of interest. */ | |
533 | if (!PeekConsoleInput (h, &record, 1, &n_records) || n_records != 1) | |
534 | { | |
535 | /* Something went wrong. Maybe the console is gone. */ | |
536 | SetEvent (state->except_event); | |
537 | break; | |
538 | } | |
0ea3f30e | 539 | |
4577549b | 540 | if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) |
c3e2b812 | 541 | { |
4577549b DJ |
542 | WORD keycode = record.Event.KeyEvent.wVirtualKeyCode; |
543 | ||
544 | /* Ignore events containing only control keys. We must | |
545 | recognize "enhanced" keys which we are interested in | |
546 | reading via getch, if they do not map to ASCII. But we | |
547 | do not want to report input available for e.g. the | |
548 | control key alone. */ | |
549 | ||
550 | if (record.Event.KeyEvent.uChar.AsciiChar != 0 | |
551 | || keycode == VK_PRIOR | |
552 | || keycode == VK_NEXT | |
553 | || keycode == VK_END | |
554 | || keycode == VK_HOME | |
555 | || keycode == VK_LEFT | |
556 | || keycode == VK_UP | |
557 | || keycode == VK_RIGHT | |
558 | || keycode == VK_DOWN | |
559 | || keycode == VK_INSERT | |
560 | || keycode == VK_DELETE) | |
561 | { | |
562 | /* This is really a keypress. */ | |
563 | SetEvent (state->read_event); | |
564 | break; | |
565 | } | |
c3e2b812 | 566 | } |
4577549b DJ |
567 | |
568 | /* Otherwise discard it and wait again. */ | |
569 | ReadConsoleInput (h, &record, 1, &n_records); | |
0ea3f30e DJ |
570 | } |
571 | ||
4577549b | 572 | SetEvent(state->have_stopped); |
0ea3f30e DJ |
573 | } |
574 | } | |
575 | ||
576 | static int | |
577 | fd_is_pipe (int fd) | |
578 | { | |
579 | if (PeekNamedPipe ((HANDLE) _get_osfhandle (fd), NULL, 0, NULL, NULL, NULL)) | |
580 | return 1; | |
581 | else | |
582 | return 0; | |
583 | } | |
584 | ||
7e71daaa JG |
585 | static int |
586 | fd_is_file (int fd) | |
587 | { | |
588 | if (GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_DISK) | |
589 | return 1; | |
590 | else | |
591 | return 0; | |
592 | } | |
593 | ||
0ea3f30e DJ |
594 | static DWORD WINAPI |
595 | pipe_select_thread (void *arg) | |
596 | { | |
597 | struct serial *scb = arg; | |
c3e2b812 DJ |
598 | struct ser_console_state *state; |
599 | int event_index; | |
0ea3f30e DJ |
600 | HANDLE h; |
601 | ||
c3e2b812 DJ |
602 | state = scb->state; |
603 | h = (HANDLE) _get_osfhandle (scb->fd); | |
0ea3f30e DJ |
604 | |
605 | while (1) | |
606 | { | |
0ea3f30e DJ |
607 | DWORD n_avail; |
608 | ||
4577549b | 609 | select_thread_wait (state); |
c3e2b812 | 610 | |
4577549b DJ |
611 | /* Wait for something to happen on the pipe. */ |
612 | while (1) | |
0ea3f30e | 613 | { |
4577549b DJ |
614 | if (!PeekNamedPipe (h, NULL, 0, NULL, &n_avail, NULL)) |
615 | { | |
616 | SetEvent (state->except_event); | |
617 | break; | |
618 | } | |
0ea3f30e | 619 | |
4577549b DJ |
620 | if (n_avail > 0) |
621 | { | |
622 | SetEvent (state->read_event); | |
623 | break; | |
624 | } | |
0ea3f30e | 625 | |
4577549b DJ |
626 | /* Delay 10ms before checking again, but allow the stop |
627 | event to wake us. */ | |
628 | if (WaitForSingleObject (state->stop_select, 10) == WAIT_OBJECT_0) | |
629 | break; | |
630 | } | |
0ea3f30e | 631 | |
4577549b | 632 | SetEvent (state->have_stopped); |
0ea3f30e DJ |
633 | } |
634 | } | |
635 | ||
7e71daaa JG |
636 | static DWORD WINAPI |
637 | file_select_thread (void *arg) | |
638 | { | |
639 | struct serial *scb = arg; | |
640 | struct ser_console_state *state; | |
641 | int event_index; | |
642 | HANDLE h; | |
643 | ||
644 | state = scb->state; | |
645 | h = (HANDLE) _get_osfhandle (scb->fd); | |
646 | ||
647 | while (1) | |
648 | { | |
4577549b | 649 | select_thread_wait (state); |
7e71daaa JG |
650 | |
651 | if (SetFilePointer (h, 0, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER) | |
4577549b DJ |
652 | SetEvent (state->except_event); |
653 | else | |
654 | SetEvent (state->read_event); | |
7e71daaa | 655 | |
4577549b | 656 | SetEvent (state->have_stopped); |
7e71daaa JG |
657 | } |
658 | } | |
659 | ||
0ea3f30e DJ |
660 | static void |
661 | ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
662 | { | |
663 | struct ser_console_state *state = scb->state; | |
664 | ||
665 | if (state == NULL) | |
666 | { | |
4577549b | 667 | thread_fn_type thread_fn; |
0ea3f30e DJ |
668 | int is_tty; |
669 | ||
670 | is_tty = isatty (scb->fd); | |
7e71daaa | 671 | if (!is_tty && !fd_is_file (scb->fd) && !fd_is_pipe (scb->fd)) |
0ea3f30e DJ |
672 | { |
673 | *read = NULL; | |
674 | *except = NULL; | |
675 | return; | |
676 | } | |
677 | ||
678 | state = xmalloc (sizeof (struct ser_console_state)); | |
679 | memset (state, 0, sizeof (struct ser_console_state)); | |
680 | scb->state = state; | |
681 | ||
0ea3f30e | 682 | if (is_tty) |
4577549b | 683 | thread_fn = console_select_thread; |
7e71daaa | 684 | else if (fd_is_pipe (scb->fd)) |
4577549b | 685 | thread_fn = pipe_select_thread; |
7e71daaa | 686 | else |
4577549b DJ |
687 | thread_fn = file_select_thread; |
688 | ||
689 | create_select_thread (thread_fn, scb, state); | |
0ea3f30e DJ |
690 | } |
691 | ||
c3e2b812 DJ |
692 | *read = state->read_event; |
693 | *except = state->except_event; | |
694 | ||
695 | /* Start from a blank state. */ | |
0ea3f30e DJ |
696 | ResetEvent (state->read_event); |
697 | ResetEvent (state->except_event); | |
c3e2b812 DJ |
698 | ResetEvent (state->stop_select); |
699 | ||
700 | /* First check for a key already in the buffer. If there is one, | |
701 | we don't need a thread. This also catches the second key of | |
702 | multi-character returns from getch, for instance for arrow | |
703 | keys. The second half is in a C library internal buffer, | |
704 | and PeekConsoleInput will not find it. */ | |
705 | if (_kbhit ()) | |
706 | { | |
707 | SetEvent (state->read_event); | |
708 | return; | |
709 | } | |
0ea3f30e | 710 | |
c3e2b812 | 711 | /* Otherwise, start the select thread. */ |
4577549b | 712 | start_select_thread (state); |
c3e2b812 | 713 | } |
0ea3f30e | 714 | |
c3e2b812 DJ |
715 | static void |
716 | ser_console_done_wait_handle (struct serial *scb) | |
717 | { | |
718 | struct ser_console_state *state = scb->state; | |
719 | ||
720 | if (state == NULL) | |
721 | return; | |
722 | ||
4577549b | 723 | stop_select_thread (state); |
0ea3f30e DJ |
724 | } |
725 | ||
726 | static void | |
727 | ser_console_close (struct serial *scb) | |
728 | { | |
729 | struct ser_console_state *state = scb->state; | |
730 | ||
731 | if (scb->state) | |
732 | { | |
4577549b | 733 | destroy_select_thread (state); |
0ea3f30e DJ |
734 | xfree (scb->state); |
735 | } | |
736 | } | |
737 | ||
738 | struct ser_console_ttystate | |
739 | { | |
740 | int is_a_tty; | |
741 | }; | |
742 | ||
743 | static serial_ttystate | |
744 | ser_console_get_tty_state (struct serial *scb) | |
745 | { | |
746 | if (isatty (scb->fd)) | |
747 | { | |
748 | struct ser_console_ttystate *state; | |
749 | state = (struct ser_console_ttystate *) xmalloc (sizeof *state); | |
750 | state->is_a_tty = 1; | |
751 | return state; | |
752 | } | |
753 | else | |
754 | return NULL; | |
755 | } | |
756 | ||
5f1fb6dc JB |
757 | struct pipe_state |
758 | { | |
759 | /* Since we use the pipe_select_thread for our select emulation, | |
760 | we need to place the state structure it requires at the front | |
761 | of our state. */ | |
762 | struct ser_console_state wait; | |
763 | ||
764 | /* The pex obj for our (one-stage) pipeline. */ | |
765 | struct pex_obj *pex; | |
766 | ||
767 | /* Streams for the pipeline's input and output. */ | |
768 | FILE *input, *output; | |
769 | }; | |
770 | ||
771 | static struct pipe_state * | |
772 | make_pipe_state (void) | |
773 | { | |
774 | struct pipe_state *ps = XMALLOC (struct pipe_state); | |
775 | ||
776 | memset (ps, 0, sizeof (*ps)); | |
777 | ps->wait.read_event = INVALID_HANDLE_VALUE; | |
778 | ps->wait.except_event = INVALID_HANDLE_VALUE; | |
779 | ps->wait.start_select = INVALID_HANDLE_VALUE; | |
780 | ps->wait.stop_select = INVALID_HANDLE_VALUE; | |
781 | ||
782 | return ps; | |
783 | } | |
784 | ||
785 | static void | |
786 | free_pipe_state (struct pipe_state *ps) | |
787 | { | |
788 | int saved_errno = errno; | |
789 | ||
790 | if (ps->wait.read_event != INVALID_HANDLE_VALUE) | |
4577549b | 791 | destroy_select_thread (&ps->wait); |
5f1fb6dc JB |
792 | |
793 | /* Close the pipe to the child. We must close the pipe before | |
794 | calling pex_free because pex_free will wait for the child to exit | |
795 | and the child will not exit until the pipe is closed. */ | |
796 | if (ps->input) | |
797 | fclose (ps->input); | |
798 | if (ps->pex) | |
799 | pex_free (ps->pex); | |
800 | /* pex_free closes ps->output. */ | |
801 | ||
802 | xfree (ps); | |
803 | ||
804 | errno = saved_errno; | |
805 | } | |
806 | ||
807 | static void | |
808 | cleanup_pipe_state (void *untyped) | |
809 | { | |
810 | struct pipe_state *ps = untyped; | |
811 | ||
812 | free_pipe_state (ps); | |
813 | } | |
814 | ||
815 | static int | |
816 | pipe_windows_open (struct serial *scb, const char *name) | |
817 | { | |
ef7723eb | 818 | struct pipe_state *ps; |
65cc4390 | 819 | FILE *pex_stderr; |
ef7723eb | 820 | |
5f1fb6dc JB |
821 | char **argv = buildargv (name); |
822 | struct cleanup *back_to = make_cleanup_freeargv (argv); | |
823 | if (! argv[0] || argv[0][0] == '\0') | |
824 | error ("missing child command"); | |
825 | ||
ef7723eb VP |
826 | |
827 | ps = make_pipe_state (); | |
5f1fb6dc JB |
828 | make_cleanup (cleanup_pipe_state, ps); |
829 | ||
830 | ps->pex = pex_init (PEX_USE_PIPES, "target remote pipe", NULL); | |
831 | if (! ps->pex) | |
832 | goto fail; | |
833 | ps->input = pex_input_pipe (ps->pex, 1); | |
834 | if (! ps->input) | |
835 | goto fail; | |
836 | ||
837 | { | |
838 | int err; | |
839 | const char *err_msg | |
65cc4390 VP |
840 | = pex_run (ps->pex, PEX_SEARCH | PEX_BINARY_INPUT | PEX_BINARY_OUTPUT |
841 | | PEX_STDERR_TO_PIPE, | |
5f1fb6dc JB |
842 | argv[0], argv, NULL, NULL, |
843 | &err); | |
844 | ||
845 | if (err_msg) | |
846 | { | |
847 | /* Our caller expects us to return -1, but all they'll do with | |
848 | it generally is print the message based on errno. We have | |
849 | all the same information here, plus err_msg provided by | |
850 | pex_run, so we just raise the error here. */ | |
851 | if (err) | |
852 | error ("error starting child process '%s': %s: %s", | |
853 | name, err_msg, safe_strerror (err)); | |
854 | else | |
855 | error ("error starting child process '%s': %s", | |
856 | name, err_msg); | |
857 | } | |
858 | } | |
859 | ||
860 | ps->output = pex_read_output (ps->pex, 1); | |
861 | if (! ps->output) | |
862 | goto fail; | |
5f1fb6dc | 863 | scb->fd = fileno (ps->output); |
65cc4390 VP |
864 | |
865 | pex_stderr = pex_read_err (ps->pex, 1); | |
866 | if (! pex_stderr) | |
867 | goto fail; | |
868 | scb->error_fd = fileno (pex_stderr); | |
869 | ||
5f1fb6dc JB |
870 | scb->state = (void *) ps; |
871 | ||
872 | discard_cleanups (back_to); | |
873 | return 0; | |
874 | ||
875 | fail: | |
876 | do_cleanups (back_to); | |
877 | return -1; | |
878 | } | |
879 | ||
880 | ||
881 | static void | |
882 | pipe_windows_close (struct serial *scb) | |
883 | { | |
884 | struct pipe_state *ps = scb->state; | |
885 | ||
886 | /* In theory, we should try to kill the subprocess here, but the pex | |
887 | interface doesn't give us enough information to do that. Usually | |
888 | closing the input pipe will get the message across. */ | |
889 | ||
890 | free_pipe_state (ps); | |
891 | } | |
892 | ||
893 | ||
894 | static int | |
895 | pipe_windows_read (struct serial *scb, size_t count) | |
896 | { | |
4998c1df | 897 | HANDLE pipeline_out = (HANDLE) _get_osfhandle (scb->fd); |
ef7723eb VP |
898 | DWORD available; |
899 | DWORD bytes_read; | |
900 | ||
5f1fb6dc JB |
901 | if (pipeline_out == INVALID_HANDLE_VALUE) |
902 | return -1; | |
903 | ||
5f1fb6dc JB |
904 | if (! PeekNamedPipe (pipeline_out, NULL, 0, NULL, &available, NULL)) |
905 | return -1; | |
906 | ||
907 | if (count > available) | |
908 | count = available; | |
909 | ||
5f1fb6dc JB |
910 | if (! ReadFile (pipeline_out, scb->buf, count, &bytes_read, NULL)) |
911 | return -1; | |
912 | ||
913 | return bytes_read; | |
914 | } | |
915 | ||
916 | ||
917 | static int | |
918 | pipe_windows_write (struct serial *scb, const void *buf, size_t count) | |
919 | { | |
920 | struct pipe_state *ps = scb->state; | |
ef7723eb VP |
921 | HANDLE pipeline_in; |
922 | DWORD written; | |
923 | ||
5f1fb6dc JB |
924 | int pipeline_in_fd = fileno (ps->input); |
925 | if (pipeline_in_fd < 0) | |
926 | return -1; | |
927 | ||
ef7723eb | 928 | pipeline_in = (HANDLE) _get_osfhandle (pipeline_in_fd); |
5f1fb6dc JB |
929 | if (pipeline_in == INVALID_HANDLE_VALUE) |
930 | return -1; | |
931 | ||
5f1fb6dc JB |
932 | if (! WriteFile (pipeline_in, buf, count, &written, NULL)) |
933 | return -1; | |
934 | ||
935 | return written; | |
936 | } | |
937 | ||
938 | ||
939 | static void | |
940 | pipe_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
941 | { | |
942 | struct pipe_state *ps = scb->state; | |
943 | ||
944 | /* Have we allocated our events yet? */ | |
945 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
4577549b DJ |
946 | /* Start the thread. */ |
947 | create_select_thread (pipe_select_thread, scb, &ps->wait); | |
5f1fb6dc | 948 | |
774a49c0 DJ |
949 | *read = ps->wait.read_event; |
950 | *except = ps->wait.except_event; | |
951 | ||
952 | /* Start from a blank state. */ | |
5f1fb6dc JB |
953 | ResetEvent (ps->wait.read_event); |
954 | ResetEvent (ps->wait.except_event); | |
774a49c0 | 955 | ResetEvent (ps->wait.stop_select); |
5f1fb6dc | 956 | |
4577549b | 957 | start_select_thread (&ps->wait); |
5f1fb6dc JB |
958 | } |
959 | ||
774a49c0 DJ |
960 | static void |
961 | pipe_done_wait_handle (struct serial *scb) | |
962 | { | |
963 | struct pipe_state *ps = scb->state; | |
964 | ||
965 | /* Have we allocated our events yet? */ | |
966 | if (ps->wait.read_event == INVALID_HANDLE_VALUE) | |
967 | return; | |
968 | ||
4577549b | 969 | stop_select_thread (&ps->wait); |
774a49c0 | 970 | } |
5f1fb6dc | 971 | |
65cc4390 VP |
972 | static int |
973 | pipe_avail (struct serial *scb, int fd) | |
974 | { | |
975 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
976 | DWORD numBytes; | |
977 | BOOL r = PeekNamedPipe (h, NULL, 0, NULL, &numBytes, NULL); | |
978 | if (r == FALSE) | |
979 | numBytes = 0; | |
980 | return numBytes; | |
981 | } | |
982 | ||
0ea3f30e DJ |
983 | struct net_windows_state |
984 | { | |
4577549b DJ |
985 | struct ser_console_state base; |
986 | ||
0ea3f30e DJ |
987 | HANDLE sock_event; |
988 | }; | |
989 | ||
990 | static DWORD WINAPI | |
991 | net_windows_select_thread (void *arg) | |
992 | { | |
993 | struct serial *scb = arg; | |
4577549b | 994 | struct net_windows_state *state; |
c3e2b812 | 995 | int event_index; |
0ea3f30e | 996 | |
c3e2b812 | 997 | state = scb->state; |
0ea3f30e DJ |
998 | |
999 | while (1) | |
1000 | { | |
1001 | HANDLE wait_events[2]; | |
1002 | WSANETWORKEVENTS events; | |
1003 | ||
4577549b | 1004 | select_thread_wait (&state->base); |
c3e2b812 | 1005 | |
4577549b | 1006 | wait_events[0] = state->base.stop_select; |
0ea3f30e DJ |
1007 | wait_events[1] = state->sock_event; |
1008 | ||
1009 | event_index = WaitForMultipleObjects (2, wait_events, FALSE, INFINITE); | |
1010 | ||
1011 | if (event_index == WAIT_OBJECT_0 | |
4577549b DJ |
1012 | || WaitForSingleObject (state->base.stop_select, 0) == WAIT_OBJECT_0) |
1013 | /* We have been requested to stop. */ | |
1014 | ; | |
1015 | else if (event_index != WAIT_OBJECT_0 + 1) | |
1016 | /* Some error has occured. Assume that this is an error | |
1017 | condition. */ | |
1018 | SetEvent (state->base.except_event); | |
1019 | else | |
0ea3f30e | 1020 | { |
4577549b DJ |
1021 | /* Enumerate the internal network events, and reset the |
1022 | object that signalled us to catch the next event. */ | |
1023 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); | |
1024 | ||
1025 | gdb_assert (events.lNetworkEvents & (FD_READ | FD_CLOSE)); | |
1026 | ||
1027 | if (events.lNetworkEvents & FD_READ) | |
1028 | SetEvent (state->base.read_event); | |
1029 | ||
1030 | if (events.lNetworkEvents & FD_CLOSE) | |
1031 | SetEvent (state->base.except_event); | |
0ea3f30e DJ |
1032 | } |
1033 | ||
4577549b | 1034 | SetEvent (state->base.have_stopped); |
0ea3f30e DJ |
1035 | } |
1036 | } | |
1037 | ||
1038 | static void | |
1039 | net_windows_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
1040 | { | |
1041 | struct net_windows_state *state = scb->state; | |
1042 | ||
c3e2b812 | 1043 | /* Start from a clean slate. */ |
4577549b DJ |
1044 | ResetEvent (state->base.read_event); |
1045 | ResetEvent (state->base.except_event); | |
1046 | ResetEvent (state->base.stop_select); | |
0ea3f30e | 1047 | |
4577549b DJ |
1048 | *read = state->base.read_event; |
1049 | *except = state->base.except_event; | |
c3e2b812 DJ |
1050 | |
1051 | /* Check any pending events. This both avoids starting the thread | |
1052 | unnecessarily, and handles stray FD_READ events (see below). */ | |
1053 | if (WaitForSingleObject (state->sock_event, 0) == WAIT_OBJECT_0) | |
1054 | { | |
1055 | WSANETWORKEVENTS events; | |
1056 | int any = 0; | |
1057 | ||
1058 | /* Enumerate the internal network events, and reset the object that | |
1059 | signalled us to catch the next event. */ | |
1060 | WSAEnumNetworkEvents (scb->fd, state->sock_event, &events); | |
1061 | ||
1062 | /* You'd think that FD_READ or FD_CLOSE would be set here. But, | |
1063 | sometimes, neither is. I suspect that the FD_READ is set and | |
1064 | the corresponding event signalled while recv is running, and | |
1065 | the FD_READ is then lowered when recv consumes all the data, | |
1066 | but there's no way to un-signal the event. This isn't a | |
1067 | problem for the call in net_select_thread, since any new | |
1068 | events after this point will not have been drained by recv. | |
1069 | It just means that we can't have the obvious assert here. */ | |
1070 | ||
1071 | /* If there is a read event, it might be still valid, or it might | |
1072 | not be - it may have been signalled before we last called | |
1073 | recv. Double-check that there is data. */ | |
1074 | if (events.lNetworkEvents & FD_READ) | |
1075 | { | |
1076 | unsigned long available; | |
1077 | ||
1078 | if (ioctlsocket (scb->fd, FIONREAD, &available) == 0 | |
1079 | && available > 0) | |
1080 | { | |
4577549b | 1081 | SetEvent (state->base.read_event); |
c3e2b812 DJ |
1082 | any = 1; |
1083 | } | |
1084 | else | |
1085 | /* Oops, no data. This call to recv will cause future | |
1086 | data to retrigger the event, e.g. while we are | |
1087 | in net_select_thread. */ | |
1088 | recv (scb->fd, NULL, 0, 0); | |
1089 | } | |
1090 | ||
1091 | /* If there's a close event, then record it - it is obviously | |
1092 | still valid, and it will not be resignalled. */ | |
1093 | if (events.lNetworkEvents & FD_CLOSE) | |
1094 | { | |
4577549b | 1095 | SetEvent (state->base.except_event); |
c3e2b812 DJ |
1096 | any = 1; |
1097 | } | |
1098 | ||
1099 | /* If we set either handle, there's no need to wake the thread. */ | |
1100 | if (any) | |
1101 | return; | |
1102 | } | |
1103 | ||
4577549b | 1104 | start_select_thread (&state->base); |
c3e2b812 DJ |
1105 | } |
1106 | ||
1107 | static void | |
1108 | net_windows_done_wait_handle (struct serial *scb) | |
1109 | { | |
1110 | struct net_windows_state *state = scb->state; | |
1111 | ||
4577549b | 1112 | stop_select_thread (&state->base); |
0ea3f30e DJ |
1113 | } |
1114 | ||
1115 | static int | |
1116 | net_windows_open (struct serial *scb, const char *name) | |
1117 | { | |
1118 | struct net_windows_state *state; | |
1119 | int ret; | |
1120 | DWORD threadId; | |
1121 | ||
1122 | ret = net_open (scb, name); | |
1123 | if (ret != 0) | |
1124 | return ret; | |
1125 | ||
1126 | state = xmalloc (sizeof (struct net_windows_state)); | |
1127 | memset (state, 0, sizeof (struct net_windows_state)); | |
1128 | scb->state = state; | |
1129 | ||
0ea3f30e DJ |
1130 | /* Associate an event with the socket. */ |
1131 | state->sock_event = CreateEvent (0, TRUE, FALSE, 0); | |
1132 | WSAEventSelect (scb->fd, state->sock_event, FD_READ | FD_CLOSE); | |
1133 | ||
4577549b DJ |
1134 | /* Start the thread. */ |
1135 | create_select_thread (net_windows_select_thread, scb, &state->base); | |
0ea3f30e DJ |
1136 | |
1137 | return 0; | |
1138 | } | |
1139 | ||
1140 | ||
1141 | static void | |
1142 | net_windows_close (struct serial *scb) | |
1143 | { | |
1144 | struct net_windows_state *state = scb->state; | |
1145 | ||
4577549b | 1146 | destroy_select_thread (&state->base); |
0ea3f30e DJ |
1147 | CloseHandle (state->sock_event); |
1148 | ||
1149 | xfree (scb->state); | |
1150 | ||
1151 | net_close (scb); | |
1152 | } | |
1153 | ||
1154 | void | |
1155 | _initialize_ser_windows (void) | |
1156 | { | |
1157 | WSADATA wsa_data; | |
1158 | struct serial_ops *ops; | |
1159 | ||
1160 | /* First register the serial port driver. */ | |
1161 | ||
1162 | ops = XMALLOC (struct serial_ops); | |
1163 | memset (ops, 0, sizeof (struct serial_ops)); | |
1164 | ops->name = "hardwire"; | |
1165 | ops->next = 0; | |
1166 | ops->open = ser_windows_open; | |
1167 | ops->close = ser_windows_close; | |
1168 | ||
1169 | ops->flush_output = ser_windows_flush_output; | |
1170 | ops->flush_input = ser_windows_flush_input; | |
1171 | ops->send_break = ser_windows_send_break; | |
1172 | ||
1173 | /* These are only used for stdin; we do not need them for serial | |
1174 | ports, so supply the standard dummies. */ | |
1175 | ops->get_tty_state = ser_base_get_tty_state; | |
1176 | ops->set_tty_state = ser_base_set_tty_state; | |
1177 | ops->print_tty_state = ser_base_print_tty_state; | |
1178 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1179 | ||
1180 | ops->go_raw = ser_windows_raw; | |
1181 | ops->setbaudrate = ser_windows_setbaudrate; | |
1182 | ops->setstopbits = ser_windows_setstopbits; | |
1183 | ops->drain_output = ser_windows_drain_output; | |
1184 | ops->readchar = ser_base_readchar; | |
1185 | ops->write = ser_base_write; | |
1186 | ops->async = ser_base_async; | |
1187 | ops->read_prim = ser_windows_read_prim; | |
1188 | ops->write_prim = ser_windows_write_prim; | |
1189 | ops->wait_handle = ser_windows_wait_handle; | |
1190 | ||
1191 | serial_add_interface (ops); | |
1192 | ||
1193 | /* Next create the dummy serial driver used for terminals. We only | |
1194 | provide the TTY-related methods. */ | |
1195 | ||
1196 | ops = XMALLOC (struct serial_ops); | |
1197 | memset (ops, 0, sizeof (struct serial_ops)); | |
1198 | ||
1199 | ops->name = "terminal"; | |
1200 | ops->next = 0; | |
1201 | ||
1202 | ops->close = ser_console_close; | |
1203 | ops->get_tty_state = ser_console_get_tty_state; | |
1204 | ops->set_tty_state = ser_base_set_tty_state; | |
1205 | ops->print_tty_state = ser_base_print_tty_state; | |
1206 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1207 | ops->drain_output = ser_base_drain_output; | |
1208 | ops->wait_handle = ser_console_wait_handle; | |
c3e2b812 | 1209 | ops->done_wait_handle = ser_console_done_wait_handle; |
0ea3f30e DJ |
1210 | |
1211 | serial_add_interface (ops); | |
1212 | ||
5f1fb6dc JB |
1213 | /* The pipe interface. */ |
1214 | ||
1215 | ops = XMALLOC (struct serial_ops); | |
1216 | memset (ops, 0, sizeof (struct serial_ops)); | |
1217 | ops->name = "pipe"; | |
1218 | ops->next = 0; | |
1219 | ops->open = pipe_windows_open; | |
1220 | ops->close = pipe_windows_close; | |
1221 | ops->readchar = ser_base_readchar; | |
1222 | ops->write = ser_base_write; | |
1223 | ops->flush_output = ser_base_flush_output; | |
1224 | ops->flush_input = ser_base_flush_input; | |
1225 | ops->send_break = ser_base_send_break; | |
1226 | ops->go_raw = ser_base_raw; | |
1227 | ops->get_tty_state = ser_base_get_tty_state; | |
1228 | ops->set_tty_state = ser_base_set_tty_state; | |
1229 | ops->print_tty_state = ser_base_print_tty_state; | |
1230 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1231 | ops->setbaudrate = ser_base_setbaudrate; | |
1232 | ops->setstopbits = ser_base_setstopbits; | |
1233 | ops->drain_output = ser_base_drain_output; | |
1234 | ops->async = ser_base_async; | |
1235 | ops->read_prim = pipe_windows_read; | |
1236 | ops->write_prim = pipe_windows_write; | |
1237 | ops->wait_handle = pipe_wait_handle; | |
774a49c0 | 1238 | ops->done_wait_handle = pipe_done_wait_handle; |
65cc4390 | 1239 | ops->avail = pipe_avail; |
5f1fb6dc JB |
1240 | |
1241 | serial_add_interface (ops); | |
1242 | ||
0ea3f30e DJ |
1243 | /* If WinSock works, register the TCP/UDP socket driver. */ |
1244 | ||
1245 | if (WSAStartup (MAKEWORD (1, 0), &wsa_data) != 0) | |
1246 | /* WinSock is unavailable. */ | |
1247 | return; | |
1248 | ||
1249 | ops = XMALLOC (struct serial_ops); | |
1250 | memset (ops, 0, sizeof (struct serial_ops)); | |
1251 | ops->name = "tcp"; | |
1252 | ops->next = 0; | |
1253 | ops->open = net_windows_open; | |
1254 | ops->close = net_windows_close; | |
1255 | ops->readchar = ser_base_readchar; | |
1256 | ops->write = ser_base_write; | |
1257 | ops->flush_output = ser_base_flush_output; | |
1258 | ops->flush_input = ser_base_flush_input; | |
1259 | ops->send_break = ser_base_send_break; | |
1260 | ops->go_raw = ser_base_raw; | |
1261 | ops->get_tty_state = ser_base_get_tty_state; | |
1262 | ops->set_tty_state = ser_base_set_tty_state; | |
1263 | ops->print_tty_state = ser_base_print_tty_state; | |
1264 | ops->noflush_set_tty_state = ser_base_noflush_set_tty_state; | |
1265 | ops->setbaudrate = ser_base_setbaudrate; | |
1266 | ops->setstopbits = ser_base_setstopbits; | |
1267 | ops->drain_output = ser_base_drain_output; | |
1268 | ops->async = ser_base_async; | |
1269 | ops->read_prim = net_read_prim; | |
1270 | ops->write_prim = net_write_prim; | |
1271 | ops->wait_handle = net_windows_wait_handle; | |
c3e2b812 | 1272 | ops->done_wait_handle = net_windows_done_wait_handle; |
0ea3f30e DJ |
1273 | serial_add_interface (ops); |
1274 | } |