0
|
1 /* Asynchronous subprocess control for XEmacs.
|
|
2 Copyright (C) 1985, 1986, 1987, 1988, 1992, 1993, 1994, 1995
|
|
3 Free Software Foundation, Inc.
|
|
4 Copyright (C) 1995 Sun Microsystems, Inc.
|
|
5 Copyright (C) 1995, 1996 Ben Wing.
|
|
6
|
|
7 This file is part of XEmacs.
|
|
8
|
|
9 XEmacs is free software; you can redistribute it and/or modify it
|
|
10 under the terms of the GNU General Public License as published by the
|
|
11 Free Software Foundation; either version 2, or (at your option) any
|
|
12 later version.
|
|
13
|
|
14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
17 for more details.
|
|
18
|
|
19 You should have received a copy of the GNU General Public License
|
|
20 along with XEmacs; see the file COPYING. If not, write to
|
|
21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
22 Boston, MA 02111-1307, USA. */
|
|
23
|
259
|
24 /* This file has been Mule-ized except for `start-process-internal',
|
|
25 `open-network-stream-internal' and `open-multicast-group-internal'. */
|
0
|
26
|
263
|
27 /* This file has been split into process.c and process-unix.c by
|
|
28 Kirill M. Katsnelson <kkm@kis.ru>, so please bash him and not
|
|
29 the original author(s) */
|
|
30
|
0
|
31 #include <config.h>
|
|
32
|
|
33 #if !defined (NO_SUBPROCESSES)
|
|
34
|
|
35 /* The entire file is within this conditional */
|
|
36
|
|
37 #include "lisp.h"
|
|
38
|
|
39 #include "buffer.h"
|
|
40 #include "commands.h"
|
|
41 #include "events.h"
|
|
42 #include "frame.h"
|
263
|
43 #include "hash.h"
|
0
|
44 #include "insdel.h"
|
|
45 #include "lstream.h"
|
|
46 #include "opaque.h"
|
|
47 #include "process.h"
|
263
|
48 #include "procimpl.h"
|
0
|
49 #include "window.h"
|
259
|
50 #ifdef FILE_CODING
|
|
51 #include "file-coding.h"
|
70
|
52 #endif
|
0
|
53
|
|
54 #include "sysfile.h"
|
|
55 #include "sysproc.h"
|
|
56 #include "systime.h"
|
|
57 #include "syssignal.h" /* Always include before systty.h */
|
|
58 #include "systty.h"
|
|
59 #include "syswait.h"
|
|
60
|
371
|
61 Lisp_Object Qprocessp;
|
263
|
62
|
|
63 /* Process methods */
|
|
64 struct process_methods the_process_methods;
|
|
65
|
0
|
66 /* a process object is a network connection when its pid field a cons
|
|
67 (name of name of port we are connected to . foreign host name) */
|
|
68
|
|
69 /* Valid values of process->status_symbol */
|
272
|
70 Lisp_Object Qrun, Qstop;
|
0
|
71 /* Qrun => Qopen, Qexit => Qclosed for "network connection" processes */
|
|
72 Lisp_Object Qopen, Qclosed;
|
263
|
73 /* Protocol families */
|
|
74 Lisp_Object Qtcpip;
|
0
|
75
|
259
|
76 #ifdef HAVE_MULTICAST
|
|
77 Lisp_Object Qmulticast; /* Will be used for occasional warnings */
|
|
78 #endif
|
|
79
|
0
|
80 /* t means use pty, nil means use a pipe,
|
|
81 maybe other values to come. */
|
263
|
82 Lisp_Object Vprocess_connection_type;
|
0
|
83
|
278
|
84 /* Read comments to DEFVAR of this */
|
|
85 int windowed_process_io;
|
|
86
|
153
|
87 #ifdef PROCESS_IO_BLOCKING
|
|
88 /* List of port numbers or port names to set a blocking I/O mode.
|
|
89 Nil means set a non-blocking I/O mode [default]. */
|
263
|
90 Lisp_Object network_stream_blocking_port_list;
|
153
|
91 #endif /* PROCESS_IO_BLOCKING */
|
|
92
|
0
|
93 /* Number of events of change of status of a process. */
|
263
|
94 volatile int process_tick;
|
0
|
95
|
|
96 /* Number of events for which the user or sentinel has been notified. */
|
|
97 static int update_tick;
|
|
98
|
|
99 /* Nonzero means delete a process right away if it exits. */
|
|
100 int delete_exited_processes;
|
|
101
|
380
|
102 /* Hash table which maps USIDs as returned by create_stream_pair_cb to
|
263
|
103 process objects. Processes are not GC-protected through this! */
|
380
|
104 struct hash_table *usid_to_process;
|
0
|
105
|
|
106 /* List of process objects. */
|
|
107 Lisp_Object Vprocess_list;
|
|
108
|
|
109
|
|
110
|
|
111 static Lisp_Object
|
|
112 mark_process (Lisp_Object obj, void (*markobj) (Lisp_Object))
|
|
113 {
|
|
114 struct Lisp_Process *proc = XPROCESS (obj);
|
263
|
115 MAYBE_PROCMETH (mark_process_data, (proc, markobj));
|
380
|
116 markobj (proc->name);
|
|
117 markobj (proc->command);
|
|
118 markobj (proc->filter);
|
|
119 markobj (proc->sentinel);
|
|
120 markobj (proc->buffer);
|
|
121 markobj (proc->mark);
|
|
122 markobj (proc->pid);
|
|
123 markobj (proc->pipe_instream);
|
|
124 markobj (proc->pipe_outstream);
|
263
|
125 #ifdef FILE_CODING
|
380
|
126 markobj (proc->coding_instream);
|
|
127 markobj (proc->coding_outstream);
|
263
|
128 #endif
|
173
|
129 return proc->status_symbol;
|
0
|
130 }
|
|
131
|
|
132 static void
|
|
133 print_process (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
134 {
|
|
135 struct Lisp_Process *proc = XPROCESS (obj);
|
185
|
136
|
0
|
137 if (print_readably)
|
|
138 error ("printing unreadable object #<process %s>",
|
16
|
139 XSTRING_DATA (proc->name));
|
185
|
140
|
0
|
141 if (!escapeflag)
|
|
142 {
|
|
143 print_internal (proc->name, printcharfun, 0);
|
|
144 }
|
|
145 else
|
|
146 {
|
|
147 int netp = network_connection_p (obj);
|
|
148 write_c_string (((netp) ? GETTEXT ("#<network connection ") :
|
|
149 GETTEXT ("#<process ")), printcharfun);
|
|
150 print_internal (proc->name, printcharfun, 1);
|
|
151 write_c_string (((netp) ? " " : " pid "), printcharfun);
|
|
152 print_internal (proc->pid, printcharfun, 1);
|
|
153 write_c_string (" state:", printcharfun);
|
|
154 print_internal (proc->status_symbol, printcharfun, 1);
|
263
|
155 MAYBE_PROCMETH (print_process_data, (proc, printcharfun));
|
0
|
156 write_c_string (">", printcharfun);
|
|
157 }
|
|
158 }
|
|
159
|
|
160 #ifdef HAVE_WINDOW_SYSTEM
|
|
161 extern void debug_process_finalization (struct Lisp_Process *p);
|
|
162 #endif /* HAVE_WINDOW_SYSTEM */
|
|
163
|
|
164 static void
|
|
165 finalize_process (void *header, int for_disksave)
|
|
166 {
|
|
167 /* #### this probably needs to be tied into the tty event loop */
|
|
168 /* #### when there is one */
|
263
|
169 struct Lisp_Process *p = (struct Lisp_Process *) header;
|
0
|
170 #ifdef HAVE_WINDOW_SYSTEM
|
263
|
171 if (!for_disksave)
|
|
172 {
|
|
173 debug_process_finalization (p);
|
|
174 }
|
0
|
175 #endif /* HAVE_WINDOW_SYSTEM */
|
263
|
176
|
|
177 if (p->process_data)
|
|
178 {
|
|
179 MAYBE_PROCMETH (finalize_process_data, (p, for_disksave));
|
|
180 if (!for_disksave)
|
|
181 xfree (p->process_data);
|
|
182 }
|
0
|
183 }
|
|
184
|
272
|
185 DEFINE_LRECORD_IMPLEMENTATION ("process", process,
|
|
186 mark_process, print_process, finalize_process,
|
|
187 0, 0, struct Lisp_Process);
|
0
|
188
|
|
189 /************************************************************************/
|
|
190 /* basic process accessors */
|
|
191 /************************************************************************/
|
|
192
|
263
|
193 /* Under FILE_CODING, this function returns low-level streams, connected
|
380
|
194 directly to the child process, rather than en/decoding FILE_CODING
|
263
|
195 streams */
|
|
196 void
|
|
197 get_process_streams (struct Lisp_Process *p,
|
|
198 Lisp_Object *instr, Lisp_Object *outstr)
|
0
|
199 {
|
263
|
200 assert (p);
|
|
201 assert (NILP (p->pipe_instream) || LSTREAMP(p->pipe_instream));
|
|
202 assert (NILP (p->pipe_outstream) || LSTREAMP(p->pipe_outstream));
|
|
203 *instr = p->pipe_instream;
|
|
204 *outstr = p->pipe_outstream;
|
0
|
205 }
|
|
206
|
|
207 struct Lisp_Process *
|
263
|
208 get_process_from_usid (USID usid)
|
0
|
209 {
|
263
|
210 CONST void *vval;
|
|
211
|
|
212 assert (usid != USID_ERROR && usid != USID_DONTHASH);
|
0
|
213
|
263
|
214 if (gethash ((CONST void*)usid, usid_to_process, &vval))
|
|
215 {
|
|
216 Lisp_Object proc;
|
|
217 CVOID_TO_LISP (proc, vval);
|
|
218 return XPROCESS (proc);
|
|
219 }
|
|
220 else
|
0
|
221 return 0;
|
|
222 }
|
|
223
|
|
224 int
|
|
225 get_process_selected_p (struct Lisp_Process *p)
|
|
226 {
|
|
227 return p->selected;
|
|
228 }
|
|
229
|
|
230 void
|
|
231 set_process_selected_p (struct Lisp_Process *p, int selected_p)
|
|
232 {
|
|
233 p->selected = !!selected_p;
|
|
234 }
|
|
235
|
263
|
236 int
|
|
237 connected_via_filedesc_p (struct Lisp_Process *p)
|
|
238 {
|
|
239 return MAYBE_INT_PROCMETH (tooltalk_connection_p, (p));
|
|
240 }
|
|
241
|
0
|
242 #ifdef HAVE_SOCKETS
|
|
243 int
|
|
244 network_connection_p (Lisp_Object process)
|
|
245 {
|
173
|
246 return GC_CONSP (XPROCESS (process)->pid);
|
0
|
247 }
|
|
248 #endif
|
|
249
|
20
|
250 DEFUN ("processp", Fprocessp, 1, 1, 0, /*
|
0
|
251 Return t if OBJECT is a process.
|
20
|
252 */
|
|
253 (obj))
|
0
|
254 {
|
173
|
255 return PROCESSP (obj) ? Qt : Qnil;
|
0
|
256 }
|
|
257
|
20
|
258 DEFUN ("process-list", Fprocess_list, 0, 0, 0, /*
|
0
|
259 Return a list of all processes.
|
20
|
260 */
|
|
261 ())
|
0
|
262 {
|
|
263 return Fcopy_sequence (Vprocess_list);
|
|
264 }
|
|
265
|
20
|
266 DEFUN ("get-process", Fget_process, 1, 1, 0, /*
|
0
|
267 Return the process named NAME, or nil if there is none.
|
20
|
268 */
|
|
269 (name))
|
0
|
270 {
|
|
271 Lisp_Object tail;
|
|
272
|
|
273 if (GC_PROCESSP (name))
|
173
|
274 return name;
|
0
|
275
|
|
276 if (!gc_in_progress)
|
|
277 /* this only gets called during GC when emacs is going away as a result
|
|
278 of a signal or crash. */
|
|
279 CHECK_STRING (name);
|
|
280
|
|
281 for (tail = Vprocess_list; GC_CONSP (tail); tail = XCDR (tail))
|
|
282 {
|
|
283 Lisp_Object proc = XCAR (tail);
|
|
284 QUIT;
|
195
|
285 if (internal_equal (name, XPROCESS (proc)->name, 0))
|
173
|
286 return XCAR (tail);
|
0
|
287 }
|
|
288 return Qnil;
|
|
289 }
|
|
290
|
20
|
291 DEFUN ("get-buffer-process", Fget_buffer_process, 1, 1, 0, /*
|
0
|
292 Return the (or, a) process associated with BUFFER.
|
|
293 BUFFER may be a buffer or the name of one.
|
20
|
294 */
|
|
295 (name))
|
0
|
296 {
|
|
297 Lisp_Object buf, tail, proc;
|
|
298
|
|
299 if (GC_NILP (name)) return Qnil;
|
|
300 buf = Fget_buffer (name);
|
|
301 if (GC_NILP (buf)) return Qnil;
|
|
302
|
|
303 for (tail = Vprocess_list; GC_CONSP (tail); tail = XCDR (tail))
|
|
304 {
|
|
305 /* jwz: do not quit here - it isn't necessary, as there is no way for
|
|
306 Vprocess_list to get circular or overwhelmingly long, and this
|
|
307 function is called from layout_mode_element under redisplay. */
|
|
308 /* QUIT; */
|
|
309 proc = XCAR (tail);
|
|
310 if (GC_PROCESSP (proc) && EQ (XPROCESS (proc)->buffer, buf))
|
|
311 return proc;
|
|
312 }
|
|
313 return Qnil;
|
|
314 }
|
|
315
|
|
316 /* This is how commands for the user decode process arguments. It
|
|
317 accepts a process, a process name, a buffer, a buffer name, or nil.
|
|
318 Buffers denote the first process in the buffer, and nil denotes the
|
|
319 current buffer. */
|
|
320
|
|
321 static Lisp_Object
|
|
322 get_process (Lisp_Object name)
|
|
323 {
|
136
|
324 Lisp_Object proc, obj;
|
0
|
325
|
|
326 #ifdef I18N3
|
|
327 /* #### Look more closely into translating process names. */
|
|
328 #endif
|
|
329
|
|
330 /* This may be called during a GC from process_send_signal() from
|
|
331 kill_buffer_processes() if emacs decides to abort(). */
|
|
332 if (GC_PROCESSP (name))
|
|
333 return name;
|
|
334
|
136
|
335 if (GC_STRINGP (name))
|
|
336 {
|
|
337 obj = Fget_process (name);
|
|
338 if (GC_NILP (obj))
|
|
339 obj = Fget_buffer (name);
|
|
340 if (GC_NILP (obj))
|
|
341 error ("Process %s does not exist", XSTRING_DATA (name));
|
|
342 }
|
|
343 else if (GC_NILP (name))
|
|
344 obj = Fcurrent_buffer ();
|
|
345 else
|
|
346 obj = name;
|
|
347
|
|
348 /* Now obj should be either a buffer object or a process object.
|
|
349 */
|
|
350 if (GC_BUFFERP (obj))
|
|
351 {
|
|
352 proc = Fget_buffer_process (obj);
|
|
353 if (GC_NILP (proc))
|
|
354 error ("Buffer %s has no process", XSTRING_DATA (XBUFFER(obj)->name));
|
|
355 }
|
0
|
356 else
|
|
357 {
|
263
|
358 /* #### This was commented out. Although, simple
|
380
|
359 (kill-process 7 "qqq") resulted in a fatal error. - kkm */
|
263
|
360 CHECK_PROCESS (obj);
|
136
|
361 proc = obj;
|
0
|
362 }
|
136
|
363 return proc;
|
0
|
364 }
|
|
365
|
20
|
366 DEFUN ("process-id", Fprocess_id, 1, 1, 0, /*
|
0
|
367 Return the process id of PROCESS.
|
|
368 This is the pid of the Unix process which PROCESS uses or talks to.
|
|
369 For a network connection, this value is a cons of
|
|
370 (foreign-network-port . foreign-host-name).
|
20
|
371 */
|
|
372 (proc))
|
0
|
373 {
|
|
374 Lisp_Object pid;
|
|
375 CHECK_PROCESS (proc);
|
|
376
|
|
377 pid = XPROCESS (proc)->pid;
|
|
378 if (network_connection_p (proc))
|
173
|
379 /* return Qnil; */
|
|
380 return Fcons (Fcar (pid), Fcdr (pid));
|
0
|
381 else
|
173
|
382 return pid;
|
0
|
383 }
|
|
384
|
20
|
385 DEFUN ("process-name", Fprocess_name, 1, 1, 0, /*
|
0
|
386 Return the name of PROCESS, as a string.
|
|
387 This is the name of the program invoked in PROCESS,
|
|
388 possibly modified to make it unique among process names.
|
20
|
389 */
|
|
390 (proc))
|
0
|
391 {
|
|
392 CHECK_PROCESS (proc);
|
|
393 return XPROCESS (proc)->name;
|
|
394 }
|
|
395
|
20
|
396 DEFUN ("process-command", Fprocess_command, 1, 1, 0, /*
|
0
|
397 Return the command that was executed to start PROCESS.
|
|
398 This is a list of strings, the first string being the program executed
|
|
399 and the rest of the strings being the arguments given to it.
|
20
|
400 */
|
|
401 (proc))
|
0
|
402 {
|
|
403 CHECK_PROCESS (proc);
|
|
404 return XPROCESS (proc)->command;
|
|
405 }
|
|
406
|
|
407
|
|
408 /************************************************************************/
|
|
409 /* creating a process */
|
|
410 /************************************************************************/
|
|
411
|
263
|
412 Lisp_Object
|
0
|
413 make_process_internal (Lisp_Object name)
|
|
414 {
|
|
415 Lisp_Object val, name1;
|
|
416 int i;
|
185
|
417 struct Lisp_Process *p =
|
|
418 alloc_lcrecord_type (struct Lisp_Process, lrecord_process);
|
0
|
419
|
|
420 /* If name is already in use, modify it until it is unused. */
|
|
421 name1 = name;
|
|
422 for (i = 1; ; i++)
|
|
423 {
|
|
424 char suffix[10];
|
|
425 Lisp_Object tem = Fget_process (name1);
|
185
|
426 if (NILP (tem))
|
0
|
427 break;
|
|
428 sprintf (suffix, "<%d>", i);
|
|
429 name1 = concat2 (name, build_string (suffix));
|
|
430 }
|
|
431 name = name1;
|
|
432 p->name = name;
|
|
433
|
|
434 p->command = Qnil;
|
|
435 p->filter = Qnil;
|
|
436 p->sentinel = Qnil;
|
|
437 p->buffer = Qnil;
|
|
438 p->mark = Fmake_marker ();
|
|
439 p->pid = Qnil;
|
|
440 p->status_symbol = Qrun;
|
|
441 p->exit_code = 0;
|
|
442 p->core_dumped = 0;
|
|
443 p->filter_does_read = 0;
|
|
444 p->kill_without_query = 0;
|
|
445 p->selected = 0;
|
|
446 p->tick = 0;
|
|
447 p->update_tick = 0;
|
263
|
448 p->pipe_instream = Qnil;
|
|
449 p->pipe_outstream = Qnil;
|
|
450 #ifdef FILE_CODING
|
|
451 p->coding_instream = Qnil;
|
|
452 p->coding_outstream = Qnil;
|
|
453 #endif
|
|
454
|
|
455 p->process_data = 0;
|
|
456 MAYBE_PROCMETH (alloc_process_data, (p));
|
0
|
457
|
|
458 XSETPROCESS (val, p);
|
|
459
|
|
460 Vprocess_list = Fcons (val, Vprocess_list);
|
173
|
461 return val;
|
0
|
462 }
|
|
463
|
263
|
464 void
|
|
465 init_process_io_handles (struct Lisp_Process *p, void* in, void* out, int flags)
|
0
|
466 {
|
263
|
467 USID usid = event_stream_create_stream_pair (in, out,
|
|
468 &p->pipe_instream, &p->pipe_outstream,
|
|
469 flags);
|
0
|
470
|
263
|
471 if (usid == USID_ERROR)
|
|
472 report_file_error ("Setting up communication with subprocess", Qnil);
|
272
|
473
|
263
|
474 if (usid != USID_DONTHASH)
|
0
|
475 {
|
263
|
476 Lisp_Object proc = Qnil;
|
|
477 XSETPROCESS (proc, p);
|
|
478 puthash ((CONST void*)usid, LISP_TO_VOID (proc), usid_to_process);
|
0
|
479 }
|
259
|
480
|
263
|
481 MAYBE_PROCMETH (init_process_io_handles, (p, in, out, flags));
|
259
|
482
|
263
|
483 #ifdef FILE_CODING
|
|
484 p->coding_instream = make_decoding_input_stream
|
|
485 (XLSTREAM (p->pipe_instream),
|
120
|
486 Fget_coding_system (Vcoding_system_for_read));
|
263
|
487 Lstream_set_character_mode (XLSTREAM (p->coding_instream));
|
|
488 p->coding_outstream = make_encoding_output_stream
|
|
489 (XLSTREAM (p->pipe_outstream),
|
120
|
490 Fget_coding_system (Vcoding_system_for_write));
|
70
|
491 /* CODE_CNTL (&out_state[outchannel]) |= CC_END; !!####
|
|
492 What's going on here? */
|
263
|
493 #endif /* FILE_CODING */
|
0
|
494 }
|
|
495
|
|
496 static void
|
288
|
497 create_process (Lisp_Object process, Lisp_Object *argv, int nargv,
|
|
498 Lisp_Object program, Lisp_Object cur_dir)
|
0
|
499 {
|
|
500 struct Lisp_Process *p = XPROCESS (process);
|
263
|
501 int pid;
|
0
|
502
|
263
|
503 /* *_create_process may change status_symbol, if the process
|
|
504 is a kind of "fire-and-forget" (no I/O, unwaitable) */
|
0
|
505 p->status_symbol = Qrun;
|
|
506 p->exit_code = 0;
|
|
507
|
288
|
508 pid = PROCMETH (create_process, (p, argv, nargv, program, cur_dir));
|
0
|
509
|
|
510 p->pid = make_int (pid);
|
371
|
511 if (!NILP(p->pipe_instream))
|
263
|
512 event_stream_select_process (p);
|
0
|
513 }
|
|
514
|
|
515 /* This function is the unwind_protect form for Fstart_process_internal. If
|
|
516 PROC doesn't have its pid set, then we know someone has signalled
|
|
517 an error and the process wasn't started successfully, so we should
|
|
518 remove it from the process list. */
|
|
519 static void remove_process (Lisp_Object proc);
|
|
520 static Lisp_Object
|
|
521 start_process_unwind (Lisp_Object proc)
|
|
522 {
|
|
523 /* Was PROC started successfully? */
|
|
524 if (EQ (XPROCESS (proc)->pid, Qnil))
|
|
525 remove_process (proc);
|
|
526 return Qnil;
|
|
527 }
|
|
528
|
20
|
529 DEFUN ("start-process-internal", Fstart_process_internal, 3, MANY, 0, /*
|
0
|
530 Start a program in a subprocess. Return the process object for it.
|
|
531 Args are NAME BUFFER PROGRAM &rest PROGRAM-ARGS
|
|
532 NAME is name for process. It is modified if necessary to make it unique.
|
|
533 BUFFER is the buffer or (buffer-name) to associate with the process.
|
|
534 Process output goes at end of that buffer, unless you specify
|
|
535 an output stream or filter function to handle the output.
|
|
536 BUFFER may be also nil, meaning that this process is not associated
|
|
537 with any buffer
|
|
538 Third arg is program file name. It is searched for as in the shell.
|
|
539 Remaining arguments are strings to give program as arguments.
|
|
540 INCODE and OUTCODE specify the coding-system objects used in input/output
|
|
541 from/to the process.
|
20
|
542 */
|
|
543 (int nargs, Lisp_Object *args))
|
0
|
544 {
|
120
|
545 /* This function can call lisp */
|
0
|
546 /* !!#### This function has not been Mule-ized */
|
|
547 Lisp_Object buffer, name, program, proc, current_dir;
|
|
548 Lisp_Object tem;
|
|
549 int speccount = specpdl_depth ();
|
120
|
550 struct gcpro gcpro1, gcpro2, gcpro3;
|
0
|
551
|
120
|
552 name = args[0];
|
0
|
553 buffer = args[1];
|
120
|
554 program = args[2];
|
|
555 current_dir = Qnil;
|
|
556
|
|
557 /* Protect against various file handlers doing GCs below. */
|
|
558 GCPRO3 (buffer, program, current_dir);
|
|
559
|
0
|
560 if (!NILP (buffer))
|
|
561 buffer = Fget_buffer_create (buffer);
|
|
562
|
120
|
563 CHECK_STRING (name);
|
|
564 CHECK_STRING (program);
|
0
|
565
|
|
566 /* Make sure that the child will be able to chdir to the current
|
|
567 buffer's current directory, or its unhandled equivalent. We
|
|
568 can't just have the child check for an error when it does the
|
|
569 chdir, since it's in a vfork.
|
|
570
|
120
|
571 Note: these assignments and calls are like this in order to insure
|
|
572 "caller protects args" GC semantics. */
|
|
573 current_dir = current_buffer->directory;
|
|
574 current_dir = Funhandled_file_name_directory (current_dir);
|
|
575 current_dir = expand_and_dir_to_file (current_dir, Qnil);
|
|
576
|
0
|
577 #if 0 /* This loser breaks ange-ftp */
|
120
|
578 /* dmoore - if you re-enable this code, you have to gcprotect
|
|
579 current_buffer through the above calls. */
|
|
580 if (NILP (Ffile_accessible_directory_p (current_dir)))
|
|
581 report_file_error ("Setting current directory",
|
|
582 list1 (current_buffer->directory));
|
0
|
583 #endif /* 0 */
|
|
584
|
|
585 /* If program file name is not absolute, search our path for it */
|
82
|
586 if (!IS_DIRECTORY_SEP (XSTRING_BYTE (program, 0))
|
16
|
587 && !(XSTRING_LENGTH (program) > 1
|
82
|
588 && IS_DEVICE_SEP (XSTRING_BYTE (program, 1))))
|
0
|
589 {
|
120
|
590 struct gcpro ngcpro1;
|
70
|
591
|
0
|
592 tem = Qnil;
|
120
|
593 NGCPRO1 (tem);
|
0
|
594 locate_file (Vexec_path, program, EXEC_SUFFIXES, &tem,
|
|
595 X_OK);
|
|
596 if (NILP (tem))
|
|
597 report_file_error ("Searching for program", list1 (program));
|
120
|
598 program = Fexpand_file_name (tem, Qnil);
|
|
599 NUNGCPRO;
|
0
|
600 }
|
|
601 else
|
|
602 {
|
|
603 if (!NILP (Ffile_directory_p (program)))
|
|
604 error ("Specified program for new process is a directory");
|
|
605 }
|
|
606
|
|
607 proc = make_process_internal (name);
|
|
608
|
|
609 XPROCESS (proc)->buffer = buffer;
|
|
610 XPROCESS (proc)->command = Flist (nargs - 2,
|
|
611 args + 2);
|
|
612
|
|
613 /* Make the process marker point into the process buffer (if any). */
|
|
614 if (!NILP (buffer))
|
|
615 Fset_marker (XPROCESS (proc)->mark,
|
|
616 make_int (BUF_ZV (XBUFFER (buffer))), buffer);
|
|
617
|
|
618 /* If an error occurs and we can't start the process, we want to
|
|
619 remove it from the process list. This means that each error
|
|
620 check in create_process doesn't need to call remove_process
|
|
621 itself; it's all taken care of here. */
|
|
622 record_unwind_protect (start_process_unwind, proc);
|
|
623
|
288
|
624 create_process (proc, args + 3, nargs - 3, program, current_dir);
|
0
|
625
|
120
|
626 UNGCPRO;
|
0
|
627 return unbind_to (speccount, proc);
|
|
628 }
|
|
629
|
|
630
|
|
631 #ifdef HAVE_SOCKETS
|
|
632
|
|
633
|
263
|
634 /* #### The network support is fairly synthetical. What we actually
|
|
635 need is a single function, which supports all datagram, stream and
|
|
636 packet stream connections, arbitrary protocol families should they
|
|
637 be supported by the target system, multicast groups, in both data
|
|
638 and control rooted/nonrooted flavors, service quality etc whatever
|
|
639 is supported by the underlying network.
|
0
|
640
|
263
|
641 It must accept a property list describing the connection. The current
|
|
642 functions must then go to lisp and provide a suitable list for the
|
|
643 generalized connection function.
|
0
|
644
|
380
|
645 Both UNIX and Win32 support BSD sockets, and there are many extensions
|
|
646 available (Sockets 2 spec).
|
0
|
647
|
263
|
648 A todo is define a consistent set of properties abstracting a
|
|
649 network connection. -kkm
|
|
650 */
|
|
651
|
0
|
652
|
|
653 /* open a TCP network connection to a given HOST/SERVICE. Treated
|
|
654 exactly like a normal process when reading and writing. Only
|
|
655 differences are in status display and process deletion. A network
|
|
656 connection has no PID; you cannot signal it. All you can do is
|
|
657 deactivate and close it via delete-process */
|
|
658
|
263
|
659 DEFUN ("open-network-stream-internal", Fopen_network_stream_internal, 4, 5, 0, /*
|
0
|
660 Open a TCP connection for a service to a host.
|
|
661 Returns a subprocess-object to represent the connection.
|
|
662 Input and output work as for subprocesses; `delete-process' closes it.
|
70
|
663
|
0
|
664 NAME is name for process. It is modified if necessary to make it unique.
|
|
665 BUFFER is the buffer (or buffer-name) to associate with the process.
|
|
666 Process output goes at end of that buffer, unless you specify
|
|
667 an output stream or filter function to handle the output.
|
70
|
668 BUFFER may also be nil, meaning that this process is not associated
|
|
669 with any buffer.
|
0
|
670 Third arg is name of the host to connect to, or its IP address.
|
|
671 Fourth arg SERVICE is name of the service desired, or an integer
|
|
672 specifying a port number to connect to.
|
263
|
673 Fifth argument FAMILY is a protocol family. When omitted, 'tcp/ip
|
272
|
674 \(Internet protocol family TCP/IP) is assumed.
|
20
|
675 */
|
263
|
676 (name, buffer, host, service, family))
|
0
|
677 {
|
|
678 /* !!#### This function has not been Mule-ized */
|
|
679 /* This function can GC */
|
263
|
680 Lisp_Object proc = Qnil;
|
|
681 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, ngcpro1;
|
|
682 void *inch, *outch;
|
0
|
683
|
263
|
684 GCPRO5 (name, buffer, host, service, family);
|
0
|
685 CHECK_STRING (name);
|
|
686
|
263
|
687 if (NILP(family))
|
|
688 family = Qtcpip;
|
|
689 else
|
|
690 CHECK_SYMBOL (family);
|
0
|
691
|
263
|
692 /* Since this code is inside HAVE_SOCKETS, existence of
|
|
693 open_network_stream is mandatory */
|
|
694 PROCMETH (open_network_stream, (name, host, service, family,
|
|
695 &inch, &outch));
|
272
|
696
|
0
|
697 if (!NILP (buffer))
|
|
698 buffer = Fget_buffer_create (buffer);
|
|
699 proc = make_process_internal (name);
|
263
|
700 NGCPRO1 (proc);
|
0
|
701
|
|
702 XPROCESS (proc)->pid = Fcons (service, host);
|
|
703 XPROCESS (proc)->buffer = buffer;
|
282
|
704 init_process_io_handles (XPROCESS (proc), (void*)inch, (void*)outch,
|
|
705 STREAM_NETWORK_CONNECTION);
|
0
|
706
|
|
707 event_stream_select_process (XPROCESS (proc));
|
|
708
|
|
709 UNGCPRO;
|
263
|
710 NUNGCPRO;
|
0
|
711 return proc;
|
|
712 }
|
|
713
|
259
|
714 #ifdef HAVE_MULTICAST
|
|
715
|
|
716 DEFUN ("open-multicast-group-internal", Fopen_multicast_group_internal, 5, 5, 0, /*
|
|
717 Open a multicast connection on the specified dest/port/ttl.
|
|
718 Returns a subprocess-object to represent the connection.
|
|
719 Input and output work as for subprocesses; `delete-process' closes it.
|
|
720
|
|
721 NAME is name for process. It is modified if necessary to make it unique.
|
|
722 BUFFER is the buffer (or buffer-name) to associate with the process.
|
|
723 Process output goes at end of that buffer, unless you specify
|
|
724 an output stream or filter function to handle the output.
|
|
725 BUFFER may also be nil, meaning that this process is not associated
|
|
726 with any buffer.
|
|
727 Third, fourth and fifth args are the multicast destination group, port and ttl.
|
|
728 dest must be an internet address between 224.0.0.0 and 239.255.255.255
|
|
729 port is a communication port like in traditional unicast
|
|
730 ttl is the time-to-live (15 for site, 63 for region and 127 for world)
|
|
731 */
|
|
732 (name, buffer, dest, port, ttl))
|
|
733 {
|
|
734 /* !!#### This function has not been Mule-ized */
|
|
735 /* This function can GC */
|
263
|
736 Lisp_Object proc = Qnil;
|
259
|
737 struct gcpro gcpro1;
|
263
|
738 void *inch, *outch;
|
259
|
739
|
263
|
740 CHECK_STRING (name);
|
|
741
|
|
742 /* Since this code is inside HAVE_MULTICAST, existence of
|
|
743 open_network_stream is mandatory */
|
|
744 PROCMETH (open_multicast_group, (name, dest, port, ttl,
|
|
745 &inch, &outch));
|
272
|
746
|
259
|
747 if (!NILP (buffer))
|
|
748 buffer = Fget_buffer_create (buffer);
|
|
749
|
|
750 proc = make_process_internal (name);
|
|
751 GCPRO1 (proc);
|
|
752
|
|
753 XPROCESS (proc)->pid = Fcons (port, dest);
|
|
754 XPROCESS (proc)->buffer = buffer;
|
282
|
755 init_process_io_handles (XPROCESS (proc), (void*)inch, (void*)outch,
|
|
756 STREAM_NETWORK_CONNECTION);
|
272
|
757
|
259
|
758 event_stream_select_process (XPROCESS (proc));
|
272
|
759
|
259
|
760 UNGCPRO;
|
|
761 return proc;
|
|
762 }
|
|
763 #endif /* HAVE_MULTICAST */
|
|
764
|
0
|
765 #endif /* HAVE_SOCKETS */
|
|
766
|
|
767 Lisp_Object
|
|
768 canonicalize_host_name (Lisp_Object host)
|
|
769 {
|
263
|
770 return PROCMETH_OR_GIVEN (canonicalize_host_name, (host), host);
|
0
|
771 }
|
|
772
|
|
773
|
20
|
774 DEFUN ("set-process-window-size", Fset_process_window_size, 3, 3, 0, /*
|
0
|
775 Tell PROCESS that it has logical window size HEIGHT and WIDTH.
|
20
|
776 */
|
|
777 (proc, height, width))
|
0
|
778 {
|
|
779 CHECK_PROCESS (proc);
|
|
780 CHECK_NATNUM (height);
|
|
781 CHECK_NATNUM (width);
|
263
|
782 return
|
|
783 MAYBE_INT_PROCMETH (set_window_size, (XPROCESS (proc), XINT (height), XINT (width))) <= 0
|
|
784 ? Qnil : Qt;
|
0
|
785 }
|
|
786
|
|
787
|
|
788 /************************************************************************/
|
|
789 /* Process I/O */
|
|
790 /************************************************************************/
|
|
791
|
|
792 /* Read pending output from the process channel,
|
|
793 starting with our buffered-ahead character if we have one.
|
|
794 Yield number of characters read.
|
|
795
|
|
796 This function reads at most 1024 bytes.
|
|
797 If you want to read all available subprocess output,
|
|
798 you must call it repeatedly until it returns zero. */
|
|
799
|
|
800 Charcount
|
|
801 read_process_output (Lisp_Object proc)
|
|
802 {
|
|
803 /* This function can GC */
|
|
804 Bytecount nbytes, nchars;
|
|
805 Bufbyte chars[1024];
|
|
806 Lisp_Object outstream;
|
|
807 struct Lisp_Process *p = XPROCESS (proc);
|
|
808
|
|
809 /* If there is a lot of output from the subprocess, the loop in
|
|
810 execute_internal_event() might call read_process_output() more
|
|
811 than once. If the filter that was executed from one of these
|
|
812 calls set the filter to t, we have to stop now. Return -1 rather
|
|
813 than 0 so execute_internal_event() doesn't close the process.
|
|
814 Really, the loop in execute_internal_event() should check itself
|
|
815 for a process-filter change, like in status_notify(); but the
|
|
816 struct Lisp_Process is not exported outside of this file. */
|
371
|
817 if (NILP(p->pipe_instream))
|
0
|
818 return -1; /* already closed */
|
|
819
|
|
820 if (!NILP (p->filter) && (p->filter_does_read))
|
|
821 {
|
|
822 Lisp_Object filter_result;
|
|
823
|
|
824 /* Some weird FSFmacs crap here with
|
|
825 Vdeactivate_mark and current_buffer->keymap */
|
|
826 running_asynch_code = 1;
|
|
827 filter_result = call2_trapping_errors ("Error in process filter",
|
|
828 p->filter, proc, Qnil);
|
|
829 running_asynch_code = 0;
|
|
830 restore_match_data ();
|
|
831 CHECK_INT (filter_result);
|
|
832 return XINT (filter_result);
|
|
833 }
|
|
834
|
263
|
835 nbytes = Lstream_read (XLSTREAM (DATA_INSTREAM(p)), chars, sizeof (chars));
|
0
|
836 if (nbytes <= 0) return nbytes;
|
|
837
|
|
838 nchars = bytecount_to_charcount (chars, nbytes);
|
|
839 outstream = p->filter;
|
|
840 if (!NILP (outstream))
|
|
841 {
|
|
842 /* We used to bind inhibit-quit to t here, but
|
|
843 call2_trapping_errors() does that for us. */
|
|
844 running_asynch_code = 1;
|
|
845 call2_trapping_errors ("Error in process filter",
|
|
846 outstream, proc, make_string (chars, nbytes));
|
|
847 running_asynch_code = 0;
|
|
848 restore_match_data ();
|
173
|
849 return nchars;
|
0
|
850 }
|
|
851
|
|
852 /* If no filter, write into buffer if it isn't dead. */
|
|
853 if (!NILP (p->buffer) && BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
854 {
|
|
855 Lisp_Object old_read_only = Qnil;
|
|
856 Bufpos old_point;
|
|
857 Bufpos old_begv;
|
|
858 Bufpos old_zv;
|
|
859 int old_zmacs_region_stays = zmacs_region_stays;
|
|
860 struct gcpro gcpro1, gcpro2;
|
|
861 struct buffer *buf = XBUFFER (p->buffer);
|
|
862
|
|
863 GCPRO2 (proc, old_read_only);
|
|
864
|
|
865 old_point = BUF_PT (buf);
|
|
866 old_begv = BUF_BEGV (buf);
|
|
867 old_zv = BUF_ZV (buf);
|
|
868 old_read_only = buf->read_only;
|
|
869 buf->read_only = Qnil;
|
|
870
|
|
871 /* Insert new output into buffer
|
|
872 at the current end-of-output marker,
|
|
873 thus preserving logical ordering of input and output. */
|
|
874 if (XMARKER (p->mark)->buffer)
|
|
875 BUF_SET_PT (buf,
|
|
876 bufpos_clip_to_bounds (old_begv, marker_position (p->mark),
|
|
877 old_zv));
|
|
878 else
|
|
879 BUF_SET_PT (buf, old_zv);
|
|
880
|
|
881 /* If the output marker is outside of the visible region, save
|
|
882 the restriction and widen. */
|
|
883 if (! (BUF_BEGV (buf) <= BUF_PT (buf) &&
|
|
884 BUF_PT (buf) <= BUF_ZV (buf)))
|
|
885 Fwiden (p->buffer);
|
|
886
|
|
887 /* Make sure opoint floats ahead of any new text, just as point
|
|
888 would. */
|
|
889 if (BUF_PT (buf) <= old_point)
|
|
890 old_point += nchars;
|
|
891
|
|
892 /* Insert after old_begv, but before old_zv. */
|
|
893 if (BUF_PT (buf) < old_begv)
|
|
894 old_begv += nchars;
|
|
895 if (BUF_PT (buf) <= old_zv)
|
|
896 old_zv += nchars;
|
|
897
|
|
898 #if 0
|
380
|
899 /* This screws up initial display of the window. jla */
|
0
|
900
|
|
901 /* Insert before markers in case we are inserting where
|
|
902 the buffer's mark is, and the user's next command is Meta-y. */
|
|
903 buffer_insert_raw_string_1 (buf, -1, chars,
|
|
904 nbytes, INSDEL_BEFORE_MARKERS);
|
|
905 #else
|
|
906 buffer_insert_raw_string (buf, chars, nbytes);
|
|
907 #endif
|
|
908
|
|
909 Fset_marker (p->mark, make_int (BUF_PT (buf)), p->buffer);
|
|
910
|
|
911 MARK_MODELINE_CHANGED;
|
|
912
|
|
913 /* If the restriction isn't what it should be, set it. */
|
|
914 if (old_begv != BUF_BEGV (buf) || old_zv != BUF_ZV (buf))
|
161
|
915 {
|
|
916 Fwiden(p->buffer);
|
|
917 old_begv = bufpos_clip_to_bounds (BUF_BEG (buf),
|
|
918 old_begv,
|
|
919 BUF_Z (buf));
|
|
920 old_zv = bufpos_clip_to_bounds (BUF_BEG (buf),
|
|
921 old_zv,
|
|
922 BUF_Z (buf));
|
|
923 Fnarrow_to_region (make_int (old_begv), make_int (old_zv),
|
|
924 p->buffer);
|
|
925 }
|
0
|
926
|
|
927 /* Handling the process output should not deactivate the mark. */
|
|
928 zmacs_region_stays = old_zmacs_region_stays;
|
|
929 buf->read_only = old_read_only;
|
161
|
930 old_point = bufpos_clip_to_bounds (BUF_BEGV (buf),
|
|
931 old_point,
|
|
932 BUF_ZV (buf));
|
0
|
933 BUF_SET_PT (buf, old_point);
|
|
934
|
|
935 UNGCPRO;
|
|
936 }
|
173
|
937 return nchars;
|
0
|
938 }
|
263
|
939
|
0
|
940 /* Sending data to subprocess */
|
|
941
|
|
942 /* send some data to process PROC. If NONRELOCATABLE is non-NULL, it
|
|
943 specifies the address of the data. Otherwise, the data comes from the
|
|
944 object RELOCATABLE (either a string or a buffer). START and LEN
|
|
945 specify the offset and length of the data to send.
|
|
946
|
|
947 Note that START and LEN are in Bufpos's if RELOCATABLE is a buffer,
|
|
948 and in Bytecounts otherwise. */
|
|
949
|
263
|
950 void
|
|
951 send_process (Lisp_Object proc,
|
0
|
952 Lisp_Object relocatable, CONST Bufbyte *nonrelocatable,
|
|
953 int start, int len)
|
|
954 {
|
|
955 /* This function can GC */
|
|
956 struct gcpro gcpro1, gcpro2;
|
|
957 Lisp_Object lstream = Qnil;
|
|
958
|
263
|
959 GCPRO2 (proc, lstream);
|
0
|
960
|
263
|
961 if (NILP (DATA_OUTSTREAM (XPROCESS (proc))))
|
0
|
962 signal_simple_error ("Process not open for writing", proc);
|
|
963
|
|
964 if (nonrelocatable)
|
|
965 lstream =
|
|
966 make_fixed_buffer_input_stream (nonrelocatable + start, len);
|
|
967 else if (GC_BUFFERP (relocatable))
|
|
968 lstream = make_lisp_buffer_input_stream (XBUFFER (relocatable),
|
|
969 start, start + len, 0);
|
|
970 else
|
|
971 lstream = make_lisp_string_input_stream (relocatable, start, len);
|
|
972
|
263
|
973 PROCMETH (send_process, (proc, XLSTREAM (lstream)));
|
0
|
974
|
|
975 UNGCPRO;
|
185
|
976 Lstream_delete (XLSTREAM (lstream));
|
0
|
977 }
|
|
978
|
20
|
979 DEFUN ("process-tty-name", Fprocess_tty_name, 1, 1, 0, /*
|
0
|
980 Return the name of the terminal PROCESS uses, or nil if none.
|
|
981 This is the terminal that the process itself reads and writes on,
|
|
982 not the name of the pty that Emacs uses to talk with that terminal.
|
20
|
983 */
|
|
984 (proc))
|
0
|
985 {
|
|
986 CHECK_PROCESS (proc);
|
263
|
987 return MAYBE_LISP_PROCMETH (get_tty_name, (XPROCESS (proc)));
|
0
|
988 }
|
|
989
|
20
|
990 DEFUN ("set-process-buffer", Fset_process_buffer, 2, 2, 0, /*
|
0
|
991 Set buffer associated with PROCESS to BUFFER (a buffer, or nil).
|
20
|
992 */
|
|
993 (proc, buffer))
|
0
|
994 {
|
|
995 CHECK_PROCESS (proc);
|
|
996 if (!NILP (buffer))
|
|
997 CHECK_BUFFER (buffer);
|
|
998 XPROCESS (proc)->buffer = buffer;
|
|
999 return buffer;
|
|
1000 }
|
|
1001
|
20
|
1002 DEFUN ("process-buffer", Fprocess_buffer, 1, 1, 0, /*
|
0
|
1003 Return the buffer PROCESS is associated with.
|
|
1004 Output from PROCESS is inserted in this buffer
|
|
1005 unless PROCESS has a filter.
|
20
|
1006 */
|
|
1007 (proc))
|
0
|
1008 {
|
|
1009 CHECK_PROCESS (proc);
|
|
1010 return XPROCESS (proc)->buffer;
|
|
1011 }
|
|
1012
|
20
|
1013 DEFUN ("process-mark", Fprocess_mark, 1, 1, 0, /*
|
0
|
1014 Return the marker for the end of the last output from PROCESS.
|
20
|
1015 */
|
|
1016 (proc))
|
0
|
1017 {
|
|
1018 CHECK_PROCESS (proc);
|
|
1019 return XPROCESS (proc)->mark;
|
|
1020 }
|
|
1021
|
|
1022 void
|
|
1023 set_process_filter (Lisp_Object proc, Lisp_Object filter, int filter_does_read)
|
|
1024 {
|
|
1025 CHECK_PROCESS (proc);
|
371
|
1026 if (PROCESS_LIVE_P (proc)) {
|
0
|
1027 if (EQ (filter, Qt))
|
|
1028 event_stream_unselect_process (XPROCESS (proc));
|
|
1029 else
|
|
1030 event_stream_select_process (XPROCESS (proc));
|
233
|
1031 }
|
0
|
1032
|
|
1033 XPROCESS (proc)->filter = filter;
|
|
1034 XPROCESS (proc)->filter_does_read = filter_does_read;
|
|
1035 }
|
|
1036
|
20
|
1037 DEFUN ("set-process-filter", Fset_process_filter, 2, 2, 0, /*
|
0
|
1038 Give PROCESS the filter function FILTER; nil means no filter.
|
|
1039 t means stop accepting output from the process.
|
|
1040 When a process has a filter, each time it does output
|
|
1041 the entire string of output is passed to the filter.
|
|
1042 The filter gets two arguments: the process and the string of output.
|
|
1043 If the process has a filter, its buffer is not used for output.
|
20
|
1044 */
|
|
1045 (proc, filter))
|
0
|
1046 {
|
|
1047 set_process_filter (proc, filter, 0);
|
|
1048 return filter;
|
|
1049 }
|
|
1050
|
20
|
1051 DEFUN ("process-filter", Fprocess_filter, 1, 1, 0, /*
|
0
|
1052 Return the filter function of PROCESS; nil if none.
|
|
1053 See `set-process-filter' for more info on filter functions.
|
20
|
1054 */
|
|
1055 (proc))
|
0
|
1056 {
|
|
1057 CHECK_PROCESS (proc);
|
|
1058 return XPROCESS (proc)->filter;
|
|
1059 }
|
|
1060
|
20
|
1061 DEFUN ("process-send-region", Fprocess_send_region, 3, 3, 0, /*
|
0
|
1062 Send current contents of region as input to PROCESS.
|
|
1063 PROCESS may be a process name or an actual process.
|
|
1064 Called from program, takes three arguments, PROCESS, START and END.
|
|
1065 If the region is more than 500 or so characters long,
|
|
1066 it is sent in several bunches. This may happen even for shorter regions.
|
|
1067 Output from processes can arrive in between bunches.
|
20
|
1068 */
|
|
1069 (process, start, end))
|
0
|
1070 {
|
|
1071 /* This function can GC */
|
|
1072 Lisp_Object proc = get_process (process);
|
|
1073 Bufpos st, en;
|
|
1074
|
|
1075 get_buffer_range_char (current_buffer, start, end, &st, &en, 0);
|
|
1076
|
|
1077 send_process (proc, Fcurrent_buffer (), 0,
|
|
1078 st, en - st);
|
173
|
1079 return Qnil;
|
0
|
1080 }
|
|
1081
|
20
|
1082 DEFUN ("process-send-string", Fprocess_send_string, 2, 4, 0, /*
|
0
|
1083 Send PROCESS the contents of STRING as input.
|
|
1084 PROCESS may be a process name or an actual process.
|
|
1085 Optional arguments FROM and TO specify part of STRING, see `substring'.
|
|
1086 If STRING is more than 500 or so characters long,
|
|
1087 it is sent in several bunches. This may happen even for shorter strings.
|
|
1088 Output from processes can arrive in between bunches.
|
20
|
1089 */
|
|
1090 (process, string, from, to))
|
0
|
1091 {
|
|
1092 /* This function can GC */
|
|
1093 Lisp_Object proc;
|
|
1094 Bytecount len;
|
|
1095 Bytecount bfr, bto;
|
|
1096
|
|
1097 proc = get_process (process);
|
|
1098 CHECK_STRING (string);
|
|
1099 get_string_range_byte (string, from, to, &bfr, &bto,
|
|
1100 GB_HISTORICAL_STRING_BEHAVIOR);
|
|
1101 len = bto - bfr;
|
|
1102
|
|
1103 send_process (proc, string, 0, bfr, len);
|
173
|
1104 return Qnil;
|
0
|
1105 }
|
|
1106
|
259
|
1107 #ifdef FILE_CODING
|
70
|
1108
|
|
1109 DEFUN ("process-input-coding-system", Fprocess_input_coding_system, 1, 1, 0, /*
|
|
1110 Return PROCESS's input coding system.
|
|
1111 */
|
|
1112 (process))
|
|
1113 {
|
|
1114 process = get_process (process);
|
263
|
1115 return decoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_instream) );
|
70
|
1116 }
|
|
1117
|
|
1118 DEFUN ("process-output-coding-system", Fprocess_output_coding_system, 1, 1, 0, /*
|
|
1119 Return PROCESS's output coding system.
|
|
1120 */
|
|
1121 (process))
|
|
1122 {
|
|
1123 process = get_process (process);
|
263
|
1124 return encoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_outstream));
|
70
|
1125 }
|
|
1126
|
120
|
1127 DEFUN ("process-coding-system", Fprocess_coding_system, 1, 1, 0, /*
|
|
1128 Return a pair of coding-system for decoding and encoding of PROCESS.
|
|
1129 */
|
|
1130 (process))
|
|
1131 {
|
|
1132 process = get_process (process);
|
175
|
1133 return Fcons (decoding_stream_coding_system
|
263
|
1134 (XLSTREAM (XPROCESS (process)->coding_instream)),
|
175
|
1135 encoding_stream_coding_system
|
263
|
1136 (XLSTREAM (XPROCESS (process)->coding_outstream)));
|
120
|
1137 }
|
|
1138
|
280
|
1139 DEFUN ("set-process-input-coding-system", Fset_process_input_coding_system,
|
|
1140 2, 2, 0, /*
|
70
|
1141 Set PROCESS's input coding system to CODESYS.
|
|
1142 */
|
|
1143 (process, codesys))
|
|
1144 {
|
|
1145 codesys = Fget_coding_system (codesys);
|
|
1146 process = get_process (process);
|
280
|
1147 set_decoding_stream_coding_system
|
|
1148 (XLSTREAM (XPROCESS (process)->coding_instream), codesys);
|
70
|
1149 return Qnil;
|
|
1150 }
|
|
1151
|
280
|
1152 DEFUN ("set-process-output-coding-system", Fset_process_output_coding_system,
|
|
1153 2, 2, 0, /*
|
70
|
1154 Set PROCESS's output coding system to CODESYS.
|
|
1155 */
|
|
1156 (process, codesys))
|
|
1157 {
|
|
1158 codesys = Fget_coding_system (codesys);
|
|
1159 process = get_process (process);
|
|
1160 set_encoding_stream_coding_system
|
280
|
1161 (XLSTREAM (XPROCESS (process)->coding_outstream), codesys);
|
70
|
1162 return Qnil;
|
|
1163 }
|
|
1164
|
280
|
1165 DEFUN ("set-process-coding-system", Fset_process_coding_system,
|
|
1166 1, 3, 0, /*
|
120
|
1167 Set coding-systems of PROCESS to DECODING and ENCODING.
|
|
1168 */
|
|
1169 (process, decoding, encoding))
|
|
1170 {
|
280
|
1171 if (!NILP (decoding))
|
|
1172 Fset_process_input_coding_system (process, decoding);
|
|
1173
|
|
1174 if (!NILP (encoding))
|
|
1175 Fset_process_output_coding_system (process, encoding);
|
|
1176
|
120
|
1177 return Qnil;
|
|
1178 }
|
|
1179
|
263
|
1180 #endif /* FILE_CODING */
|
0
|
1181
|
|
1182 /************************************************************************/
|
|
1183 /* process status */
|
|
1184 /************************************************************************/
|
|
1185
|
|
1186 static Lisp_Object
|
|
1187 exec_sentinel_unwind (Lisp_Object datum)
|
|
1188 {
|
|
1189 struct Lisp_Cons *d = XCONS (datum);
|
|
1190 XPROCESS (d->car)->sentinel = d->cdr;
|
|
1191 free_cons (d);
|
|
1192 return Qnil;
|
|
1193 }
|
|
1194
|
|
1195 static void
|
|
1196 exec_sentinel (Lisp_Object proc, Lisp_Object reason)
|
|
1197 {
|
|
1198 /* This function can GC */
|
175
|
1199 int speccount = specpdl_depth ();
|
0
|
1200 struct Lisp_Process *p = XPROCESS (proc);
|
175
|
1201 Lisp_Object sentinel = p->sentinel;
|
|
1202
|
0
|
1203 if (NILP (sentinel))
|
|
1204 return;
|
|
1205
|
|
1206 /* Some weird FSFmacs crap here with
|
|
1207 Vdeactivate_mark and current_buffer->keymap */
|
|
1208
|
|
1209 /* Zilch the sentinel while it's running, to avoid recursive invocations;
|
|
1210 assure that it gets restored no matter how the sentinel exits. */
|
|
1211 p->sentinel = Qnil;
|
|
1212 record_unwind_protect (exec_sentinel_unwind, noseeum_cons (proc, sentinel));
|
|
1213 /* We used to bind inhibit-quit to t here, but call2_trapping_errors()
|
|
1214 does that for us. */
|
|
1215 running_asynch_code = 1;
|
175
|
1216 call2_trapping_errors ("Error in process sentinel", sentinel, proc, reason);
|
0
|
1217 running_asynch_code = 0;
|
|
1218 restore_match_data ();
|
|
1219 unbind_to (speccount, Qnil);
|
|
1220 }
|
|
1221
|
20
|
1222 DEFUN ("set-process-sentinel", Fset_process_sentinel, 2, 2, 0, /*
|
0
|
1223 Give PROCESS the sentinel SENTINEL; nil for none.
|
|
1224 The sentinel is called as a function when the process changes state.
|
|
1225 It gets two arguments: the process, and a string describing the change.
|
20
|
1226 */
|
|
1227 (proc, sentinel))
|
0
|
1228 {
|
|
1229 CHECK_PROCESS (proc);
|
|
1230 XPROCESS (proc)->sentinel = sentinel;
|
|
1231 return sentinel;
|
|
1232 }
|
|
1233
|
20
|
1234 DEFUN ("process-sentinel", Fprocess_sentinel, 1, 1, 0, /*
|
0
|
1235 Return the sentinel of PROCESS; nil if none.
|
|
1236 See `set-process-sentinel' for more info on sentinels.
|
20
|
1237 */
|
|
1238 (proc))
|
0
|
1239 {
|
|
1240 CHECK_PROCESS (proc);
|
|
1241 return XPROCESS (proc)->sentinel;
|
|
1242 }
|
|
1243
|
|
1244
|
|
1245 CONST char *
|
|
1246 signal_name (int signum)
|
|
1247 {
|
|
1248 if (signum >= 0 && signum < NSIG)
|
173
|
1249 return (CONST char *) sys_siglist[signum];
|
209
|
1250
|
173
|
1251 return (CONST char *) GETTEXT ("unknown signal");
|
0
|
1252 }
|
|
1253
|
|
1254 void
|
|
1255 update_process_status (Lisp_Object p,
|
|
1256 Lisp_Object status_symbol,
|
|
1257 int exit_code,
|
|
1258 int core_dumped)
|
|
1259 {
|
|
1260 XPROCESS (p)->tick++;
|
|
1261 process_tick++;
|
|
1262 XPROCESS (p)->status_symbol = status_symbol;
|
|
1263 XPROCESS (p)->exit_code = exit_code;
|
|
1264 XPROCESS (p)->core_dumped = core_dumped;
|
|
1265 }
|
|
1266
|
|
1267 /* Return a string describing a process status list. */
|
|
1268
|
185
|
1269 static Lisp_Object
|
0
|
1270 status_message (struct Lisp_Process *p)
|
|
1271 {
|
|
1272 Lisp_Object symbol = p->status_symbol;
|
|
1273 int code = p->exit_code;
|
|
1274 int coredump = p->core_dumped;
|
|
1275 Lisp_Object string, string2;
|
|
1276
|
|
1277 if (EQ (symbol, Qsignal) || EQ (symbol, Qstop))
|
|
1278 {
|
|
1279 string = build_string (signal_name (code));
|
|
1280 if (coredump)
|
|
1281 string2 = build_translated_string (" (core dumped)\n");
|
|
1282 else
|
|
1283 string2 = build_string ("\n");
|
|
1284 set_string_char (XSTRING (string), 0,
|
|
1285 DOWNCASE (current_buffer,
|
|
1286 string_char (XSTRING (string), 0)));
|
|
1287 return concat2 (string, string2);
|
|
1288 }
|
|
1289 else if (EQ (symbol, Qexit))
|
|
1290 {
|
|
1291 if (code == 0)
|
|
1292 return build_translated_string ("finished\n");
|
|
1293 string = Fnumber_to_string (make_int (code));
|
|
1294 if (coredump)
|
|
1295 string2 = build_translated_string (" (core dumped)\n");
|
|
1296 else
|
|
1297 string2 = build_string ("\n");
|
|
1298 return concat2 (build_translated_string ("exited abnormally with code "),
|
|
1299 concat2 (string, string2));
|
|
1300 }
|
|
1301 else
|
|
1302 return Fcopy_sequence (Fsymbol_name (symbol));
|
|
1303 }
|
|
1304
|
|
1305 /* Tell status_notify() to check for terminated processes. We do this
|
|
1306 because on some systems we sometimes miss SIGCHLD calls. (Not sure
|
|
1307 why.) */
|
|
1308
|
|
1309 void
|
|
1310 kick_status_notify (void)
|
|
1311 {
|
|
1312 process_tick++;
|
|
1313 }
|
|
1314
|
263
|
1315
|
0
|
1316 /* Report all recent events of a change in process status
|
|
1317 (either run the sentinel or output a message).
|
|
1318 This is done while Emacs is waiting for keyboard input. */
|
|
1319
|
|
1320 void
|
|
1321 status_notify (void)
|
|
1322 {
|
|
1323 /* This function can GC */
|
|
1324 Lisp_Object tail = Qnil;
|
|
1325 Lisp_Object symbol = Qnil;
|
|
1326 Lisp_Object msg = Qnil;
|
|
1327 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
1328 /* process_tick is volatile, so we have to remember it now.
|
|
1329 Otherwise, we get a race condition is SIGCHLD happens during
|
|
1330 this function.
|
|
1331
|
|
1332 (Actually, this is not the case anymore. The code to
|
|
1333 update the process structures has been moved out of the
|
|
1334 SIGCHLD handler. But for the moment I'm leaving this
|
|
1335 stuff in -- it can't hurt.) */
|
|
1336 int temp_process_tick;
|
|
1337
|
263
|
1338 MAYBE_PROCMETH (reap_exited_processes, ());
|
0
|
1339
|
|
1340 temp_process_tick = process_tick;
|
|
1341
|
|
1342 if (update_tick == temp_process_tick)
|
|
1343 return;
|
|
1344
|
|
1345 /* We need to gcpro tail; if read_process_output calls a filter
|
|
1346 which deletes a process and removes the cons to which tail points
|
|
1347 from Vprocess_alist, and then causes a GC, tail is an unprotected
|
|
1348 reference. */
|
|
1349 GCPRO3 (tail, symbol, msg);
|
|
1350
|
|
1351 for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
|
|
1352 {
|
|
1353 Lisp_Object proc = XCAR (tail);
|
|
1354 struct Lisp_Process *p = XPROCESS (proc);
|
|
1355 /* p->tick is also volatile. Same thing as above applies. */
|
|
1356 int this_process_tick;
|
|
1357
|
|
1358 /* #### extra check for terminated processes, in case a SIGCHLD
|
|
1359 got missed (this seems to happen sometimes, I'm not sure why).
|
|
1360 */
|
263
|
1361 if (INTP (p->pid))
|
|
1362 MAYBE_PROCMETH (update_status_if_terminated, (p));
|
|
1363
|
0
|
1364 this_process_tick = p->tick;
|
|
1365 if (this_process_tick != p->update_tick)
|
|
1366 {
|
|
1367 p->update_tick = this_process_tick;
|
|
1368
|
|
1369 /* If process is still active, read any output that remains. */
|
|
1370 while (!EQ (p->filter, Qt)
|
|
1371 && read_process_output (proc) > 0)
|
|
1372 ;
|
|
1373
|
|
1374 /* Get the text to use for the message. */
|
|
1375 msg = status_message (p);
|
|
1376
|
|
1377 /* If process is terminated, deactivate it or delete it. */
|
|
1378 symbol = p->status_symbol;
|
|
1379
|
185
|
1380 if (EQ (symbol, Qsignal)
|
0
|
1381 || EQ (symbol, Qexit))
|
|
1382 {
|
|
1383 if (delete_exited_processes)
|
|
1384 remove_process (proc);
|
|
1385 else
|
|
1386 deactivate_process (proc);
|
|
1387 }
|
|
1388
|
|
1389 /* Now output the message suitably. */
|
|
1390 if (!NILP (p->sentinel))
|
|
1391 exec_sentinel (proc, msg);
|
|
1392 /* Don't bother with a message in the buffer
|
|
1393 when a process becomes runnable. */
|
|
1394 else if (!EQ (symbol, Qrun) && !NILP (p->buffer))
|
|
1395 {
|
161
|
1396 Lisp_Object old_read_only = Qnil;
|
|
1397 Lisp_Object old = Fcurrent_buffer ();
|
|
1398 Bufpos opoint;
|
|
1399 struct gcpro ngcpro1, ngcpro2;
|
0
|
1400
|
|
1401 /* Avoid error if buffer is deleted
|
|
1402 (probably that's why the process is dead, too) */
|
|
1403 if (!BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
1404 continue;
|
|
1405
|
161
|
1406 NGCPRO2 (old, old_read_only);
|
0
|
1407 Fset_buffer (p->buffer);
|
161
|
1408 opoint = BUF_PT (current_buffer);
|
0
|
1409 /* Insert new output into buffer
|
|
1410 at the current end-of-output marker,
|
|
1411 thus preserving logical ordering of input and output. */
|
|
1412 if (XMARKER (p->mark)->buffer)
|
|
1413 BUF_SET_PT (current_buffer, marker_position (p->mark));
|
|
1414 else
|
|
1415 BUF_SET_PT (current_buffer, BUF_ZV (current_buffer));
|
161
|
1416 if (BUF_PT (current_buffer) <= opoint)
|
|
1417 opoint += (string_char_length (XSTRING (msg))
|
|
1418 + string_char_length (XSTRING (p->name))
|
|
1419 + 10);
|
|
1420
|
|
1421 old_read_only = current_buffer->read_only;
|
|
1422 current_buffer->read_only = Qnil;
|
0
|
1423 buffer_insert_c_string (current_buffer, "\nProcess ");
|
|
1424 Finsert (1, &p->name);
|
|
1425 buffer_insert_c_string (current_buffer, " ");
|
|
1426 Finsert (1, &msg);
|
161
|
1427 current_buffer->read_only = old_read_only;
|
0
|
1428 Fset_marker (p->mark, make_int (BUF_PT (current_buffer)),
|
|
1429 p->buffer);
|
161
|
1430
|
|
1431 opoint = bufpos_clip_to_bounds(BUF_BEGV (XBUFFER (p->buffer)),
|
|
1432 opoint,
|
|
1433 BUF_ZV (XBUFFER (p->buffer)));
|
|
1434 BUF_SET_PT (current_buffer, opoint);
|
|
1435 Fset_buffer (old);
|
|
1436 NUNGCPRO;
|
0
|
1437 }
|
|
1438 }
|
|
1439 } /* end for */
|
|
1440
|
|
1441 /* in case buffers use %s in modeline-format */
|
|
1442 MARK_MODELINE_CHANGED;
|
|
1443 redisplay ();
|
|
1444
|
|
1445 update_tick = temp_process_tick;
|
|
1446
|
|
1447 UNGCPRO;
|
|
1448 }
|
|
1449
|
20
|
1450 DEFUN ("process-status", Fprocess_status, 1, 1, 0, /*
|
0
|
1451 Return the status of PROCESS.
|
|
1452 This is a symbol, one of these:
|
|
1453
|
175
|
1454 run -- for a process that is running.
|
|
1455 stop -- for a process stopped but continuable.
|
|
1456 exit -- for a process that has exited.
|
0
|
1457 signal -- for a process that has got a fatal signal.
|
175
|
1458 open -- for a network stream connection that is open.
|
0
|
1459 closed -- for a network stream connection that is closed.
|
175
|
1460 nil -- if arg is a process name and no such process exists.
|
|
1461
|
0
|
1462 PROCESS may be a process, a buffer, the name of a process or buffer, or
|
|
1463 nil, indicating the current buffer's process.
|
20
|
1464 */
|
|
1465 (proc))
|
0
|
1466 {
|
175
|
1467 Lisp_Object status_symbol;
|
0
|
1468
|
|
1469 if (STRINGP (proc))
|
|
1470 proc = Fget_process (proc);
|
|
1471 else
|
|
1472 proc = get_process (proc);
|
|
1473
|
|
1474 if (NILP (proc))
|
175
|
1475 return Qnil;
|
|
1476
|
|
1477 status_symbol = XPROCESS (proc)->status_symbol;
|
0
|
1478 if (network_connection_p (proc))
|
|
1479 {
|
175
|
1480 if (EQ (status_symbol, Qrun))
|
|
1481 status_symbol = Qopen;
|
|
1482 else if (EQ (status_symbol, Qexit))
|
|
1483 status_symbol = Qclosed;
|
0
|
1484 }
|
175
|
1485 return status_symbol;
|
0
|
1486 }
|
|
1487
|
20
|
1488 DEFUN ("process-exit-status", Fprocess_exit_status, 1, 1, 0, /*
|
0
|
1489 Return the exit status of PROCESS or the signal number that killed it.
|
|
1490 If PROCESS has not yet exited or died, return 0.
|
20
|
1491 */
|
|
1492 (proc))
|
0
|
1493 {
|
|
1494 CHECK_PROCESS (proc);
|
173
|
1495 return make_int (XPROCESS (proc)->exit_code);
|
0
|
1496 }
|
|
1497
|
|
1498
|
|
1499
|
|
1500 /* send a signal number SIGNO to PROCESS.
|
|
1501 CURRENT_GROUP means send to the process group that currently owns
|
|
1502 the terminal being used to communicate with PROCESS.
|
|
1503 This is used for various commands in shell mode.
|
|
1504 If NOMSG is zero, insert signal-announcements into process's buffers
|
|
1505 right away.
|
|
1506
|
|
1507 If we can, we try to signal PROCESS by sending control characters
|
|
1508 down the pty. This allows us to signal inferiors who have changed
|
|
1509 their uid, for which killpg would return an EPERM error. */
|
|
1510
|
|
1511 static void
|
263
|
1512 process_send_signal (Lisp_Object process, int signo,
|
0
|
1513 int current_group, int nomsg)
|
|
1514 {
|
|
1515 /* This function can GC */
|
263
|
1516 Lisp_Object proc = get_process (process);
|
0
|
1517
|
|
1518 if (network_connection_p (proc))
|
|
1519 error ("Network connection %s is not a subprocess",
|
263
|
1520 XSTRING_DATA (XPROCESS(proc)->name));
|
371
|
1521 if (!PROCESS_LIVE_P (proc))
|
|
1522 error ("Process %s is not active",
|
|
1523 XSTRING_DATA (XPROCESS(proc)->name));
|
0
|
1524
|
263
|
1525 MAYBE_PROCMETH (kill_child_process, (proc, signo, current_group, nomsg));
|
0
|
1526 }
|
|
1527
|
20
|
1528 DEFUN ("interrupt-process", Finterrupt_process, 0, 2, 0, /*
|
0
|
1529 Interrupt process PROCESS. May be process or name of one.
|
|
1530 Nil or no arg means current buffer's process.
|
|
1531 Second arg CURRENT-GROUP non-nil means send signal to
|
|
1532 the current process-group of the process's controlling terminal
|
|
1533 rather than to the process's own process group.
|
|
1534 If the process is a shell, this means interrupt current subjob
|
|
1535 rather than the shell.
|
20
|
1536 */
|
|
1537 (process, current_group))
|
0
|
1538 {
|
|
1539 /* This function can GC */
|
|
1540 process_send_signal (process, SIGINT, !NILP (current_group), 0);
|
|
1541 return process;
|
|
1542 }
|
|
1543
|
20
|
1544 DEFUN ("kill-process", Fkill_process, 0, 2, 0, /*
|
0
|
1545 Kill process PROCESS. May be process or name of one.
|
|
1546 See function `interrupt-process' for more details on usage.
|
20
|
1547 */
|
|
1548 (process, current_group))
|
0
|
1549 {
|
|
1550 /* This function can GC */
|
280
|
1551 #ifdef SIGKILL
|
263
|
1552 process_send_signal (process, SIGKILL, !NILP (current_group), 0);
|
280
|
1553 #else
|
|
1554 error ("kill-process: Not supported on this system");
|
|
1555 #endif
|
0
|
1556 return process;
|
|
1557 }
|
|
1558
|
20
|
1559 DEFUN ("quit-process", Fquit_process, 0, 2, 0, /*
|
0
|
1560 Send QUIT signal to process PROCESS. May be process or name of one.
|
|
1561 See function `interrupt-process' for more details on usage.
|
20
|
1562 */
|
|
1563 (process, current_group))
|
0
|
1564 {
|
|
1565 /* This function can GC */
|
280
|
1566 #ifdef SIGQUIT
|
263
|
1567 process_send_signal (process, SIGQUIT, !NILP (current_group), 0);
|
280
|
1568 #else
|
|
1569 error ("quit-process: Not supported on this system");
|
|
1570 #endif
|
0
|
1571 return process;
|
|
1572 }
|
|
1573
|
20
|
1574 DEFUN ("stop-process", Fstop_process, 0, 2, 0, /*
|
0
|
1575 Stop process PROCESS. May be process or name of one.
|
|
1576 See function `interrupt-process' for more details on usage.
|
20
|
1577 */
|
|
1578 (process, current_group))
|
0
|
1579 {
|
|
1580 /* This function can GC */
|
263
|
1581 #ifdef SIGTSTP
|
|
1582 process_send_signal (process, SIGTSTP, !NILP (current_group), 0);
|
0
|
1583 #else
|
263
|
1584 error ("stop-process: Not supported on this system");
|
0
|
1585 #endif
|
|
1586 return process;
|
|
1587 }
|
|
1588
|
20
|
1589 DEFUN ("continue-process", Fcontinue_process, 0, 2, 0, /*
|
0
|
1590 Continue process PROCESS. May be process or name of one.
|
|
1591 See function `interrupt-process' for more details on usage.
|
20
|
1592 */
|
|
1593 (process, current_group))
|
0
|
1594 {
|
|
1595 /* This function can GC */
|
|
1596 #ifdef SIGCONT
|
263
|
1597 process_send_signal (process, SIGCONT, !NILP (current_group), 0);
|
0
|
1598 #else
|
263
|
1599 error ("continue-process: Not supported on this system");
|
0
|
1600 #endif
|
|
1601 return process;
|
|
1602 }
|
|
1603
|
20
|
1604 DEFUN ("signal-process", Fsignal_process, 2, 2,
|
|
1605 "nProcess number: \nnSignal code: ", /*
|
0
|
1606 Send the process with process id PID the signal with code SIGCODE.
|
|
1607 PID must be an integer. The process need not be a child of this Emacs.
|
|
1608 SIGCODE may be an integer, or a symbol whose name is a signal name.
|
20
|
1609 */
|
|
1610 (pid, sigcode))
|
0
|
1611 {
|
|
1612 CHECK_INT (pid);
|
|
1613
|
|
1614 if (INTP (sigcode))
|
|
1615 ;
|
|
1616 else
|
|
1617 {
|
|
1618 Bufbyte *name;
|
|
1619
|
|
1620 CHECK_SYMBOL (sigcode);
|
|
1621 name = string_data (XSYMBOL (sigcode)->name);
|
|
1622
|
280
|
1623 #define handle_signal(signal) \
|
|
1624 else if (!strcmp ((CONST char *) name, #signal)) \
|
|
1625 XSETINT (sigcode, signal)
|
|
1626
|
0
|
1627 if (0)
|
|
1628 ;
|
280
|
1629 handle_signal (SIGINT); /* ANSI */
|
|
1630 handle_signal (SIGILL); /* ANSI */
|
|
1631 handle_signal (SIGABRT); /* ANSI */
|
|
1632 handle_signal (SIGFPE); /* ANSI */
|
|
1633 handle_signal (SIGSEGV); /* ANSI */
|
|
1634 handle_signal (SIGTERM); /* ANSI */
|
|
1635
|
0
|
1636 #ifdef SIGHUP
|
280
|
1637 handle_signal (SIGHUP); /* POSIX */
|
0
|
1638 #endif
|
|
1639 #ifdef SIGQUIT
|
280
|
1640 handle_signal (SIGQUIT); /* POSIX */
|
0
|
1641 #endif
|
280
|
1642 #ifdef SIGTRAP
|
|
1643 handle_signal (SIGTRAP); /* POSIX */
|
0
|
1644 #endif
|
|
1645 #ifdef SIGKILL
|
280
|
1646 handle_signal (SIGKILL); /* POSIX */
|
|
1647 #endif
|
|
1648 #ifdef SIGUSR1
|
|
1649 handle_signal (SIGUSR1); /* POSIX */
|
|
1650 #endif
|
|
1651 #ifdef SIGUSR2
|
|
1652 handle_signal (SIGUSR2); /* POSIX */
|
0
|
1653 #endif
|
280
|
1654 #ifdef SIGPIPE
|
|
1655 handle_signal (SIGPIPE); /* POSIX */
|
|
1656 #endif
|
|
1657 #ifdef SIGALRM
|
|
1658 handle_signal (SIGALRM); /* POSIX */
|
|
1659 #endif
|
|
1660 #ifdef SIGCHLD
|
|
1661 handle_signal (SIGCHLD); /* POSIX */
|
|
1662 #endif
|
|
1663 #ifdef SIGCONT
|
|
1664 handle_signal (SIGCONT); /* POSIX */
|
0
|
1665 #endif
|
280
|
1666 #ifdef SIGSTOP
|
|
1667 handle_signal (SIGSTOP); /* POSIX */
|
|
1668 #endif
|
|
1669 #ifdef SIGTSTP
|
|
1670 handle_signal (SIGTSTP); /* POSIX */
|
|
1671 #endif
|
|
1672 #ifdef SIGTTIN
|
|
1673 handle_signal (SIGTTIN); /* POSIX */
|
0
|
1674 #endif
|
280
|
1675 #ifdef SIGTTOU
|
|
1676 handle_signal (SIGTTOU); /* POSIX */
|
|
1677 #endif
|
|
1678
|
|
1679 #ifdef SIGBUS
|
|
1680 handle_signal (SIGBUS); /* XPG5 */
|
|
1681 #endif
|
|
1682 #ifdef SIGPOLL
|
|
1683 handle_signal (SIGPOLL); /* XPG5 */
|
|
1684 #endif
|
|
1685 #ifdef SIGPROF
|
|
1686 handle_signal (SIGPROF); /* XPG5 */
|
0
|
1687 #endif
|
|
1688 #ifdef SIGSYS
|
280
|
1689 handle_signal (SIGSYS); /* XPG5 */
|
0
|
1690 #endif
|
|
1691 #ifdef SIGURG
|
280
|
1692 handle_signal (SIGURG); /* XPG5 */
|
0
|
1693 #endif
|
|
1694 #ifdef SIGXCPU
|
280
|
1695 handle_signal (SIGXCPU); /* XPG5 */
|
0
|
1696 #endif
|
|
1697 #ifdef SIGXFSZ
|
280
|
1698 handle_signal (SIGXFSZ); /* XPG5 */
|
0
|
1699 #endif
|
|
1700 #ifdef SIGVTALRM
|
280
|
1701 handle_signal (SIGVTALRM); /* XPG5 */
|
0
|
1702 #endif
|
280
|
1703
|
|
1704 #ifdef SIGIO
|
|
1705 handle_signal (SIGIO); /* BSD 4.2 */
|
0
|
1706 #endif
|
|
1707 #ifdef SIGWINCH
|
280
|
1708 handle_signal (SIGWINCH); /* BSD 4.3 */
|
|
1709 #endif
|
|
1710
|
|
1711 #ifdef SIGEMT
|
|
1712 handle_signal (SIGEMT);
|
0
|
1713 #endif
|
|
1714 #ifdef SIGINFO
|
280
|
1715 handle_signal (SIGINFO);
|
|
1716 #endif
|
|
1717 #ifdef SIGHWE
|
|
1718 handle_signal (SIGHWE);
|
|
1719 #endif
|
|
1720 #ifdef SIGPRE
|
|
1721 handle_signal (SIGPRE);
|
|
1722 #endif
|
|
1723 #ifdef SIGUME
|
|
1724 handle_signal (SIGUME);
|
|
1725 #endif
|
|
1726 #ifdef SIGDLK
|
|
1727 handle_signal (SIGDLK);
|
|
1728 #endif
|
|
1729 #ifdef SIGCPULIM
|
|
1730 handle_signal (SIGCPULIM);
|
|
1731 #endif
|
|
1732 #ifdef SIGIOT
|
|
1733 handle_signal (SIGIOT);
|
|
1734 #endif
|
|
1735 #ifdef SIGLOST
|
|
1736 handle_signal (SIGLOST);
|
0
|
1737 #endif
|
280
|
1738 #ifdef SIGSTKFLT
|
|
1739 handle_signal (SIGSTKFLT);
|
|
1740 #endif
|
|
1741 #ifdef SIGUNUSED
|
|
1742 handle_signal (SIGUNUSED);
|
|
1743 #endif
|
|
1744 #ifdef SIGDANGER
|
380
|
1745 handle_signal (SIGDANGER); /* AIX */
|
280
|
1746 #endif
|
|
1747 #ifdef SIGMSG
|
|
1748 handle_signal (SIGMSG);
|
0
|
1749 #endif
|
280
|
1750 #ifdef SIGSOUND
|
|
1751 handle_signal (SIGSOUND);
|
|
1752 #endif
|
|
1753 #ifdef SIGRETRACT
|
|
1754 handle_signal (SIGRETRACT);
|
|
1755 #endif
|
|
1756 #ifdef SIGGRANT
|
|
1757 handle_signal (SIGGRANT);
|
|
1758 #endif
|
|
1759 #ifdef SIGPWR
|
|
1760 handle_signal (SIGPWR);
|
0
|
1761 #endif
|
|
1762 else
|
|
1763 error ("Undefined signal name %s", name);
|
|
1764 }
|
|
1765
|
|
1766 #undef handle_signal
|
|
1767
|
263
|
1768 return make_int (PROCMETH_OR_GIVEN (kill_process_by_pid,
|
|
1769 (XINT (pid), XINT (sigcode)), -1));
|
0
|
1770 }
|
|
1771
|
20
|
1772 DEFUN ("process-send-eof", Fprocess_send_eof, 0, 1, 0, /*
|
0
|
1773 Make PROCESS see end-of-file in its input.
|
|
1774 PROCESS may be a process, a buffer, the name of a process or buffer, or
|
|
1775 nil, indicating the current buffer's process.
|
|
1776 If PROCESS is a network connection, or is a process communicating
|
|
1777 through a pipe (as opposed to a pty), then you cannot send any more
|
|
1778 text to PROCESS after you call this function.
|
20
|
1779 */
|
|
1780 (process))
|
0
|
1781 {
|
|
1782 /* This function can GC */
|
280
|
1783 Lisp_Object proc = get_process (process);
|
0
|
1784
|
|
1785 /* Make sure the process is really alive. */
|
|
1786 if (! EQ (XPROCESS (proc)->status_symbol, Qrun))
|
16
|
1787 error ("Process %s not running", XSTRING_DATA (XPROCESS (proc)->name));
|
0
|
1788
|
263
|
1789 if (!MAYBE_INT_PROCMETH (process_send_eof, (proc)))
|
0
|
1790 {
|
267
|
1791 if (!NILP (DATA_OUTSTREAM (XPROCESS (proc))))
|
|
1792 {
|
|
1793 Lstream_close (XLSTREAM (DATA_OUTSTREAM (XPROCESS (proc))));
|
|
1794 event_stream_delete_stream_pair (Qnil, XPROCESS (proc)->pipe_outstream);
|
|
1795 XPROCESS (proc)->pipe_outstream = Qnil;
|
263
|
1796 #ifdef FILE_CODING
|
267
|
1797 XPROCESS (proc)->coding_outstream = Qnil;
|
0
|
1798 #endif
|
267
|
1799 }
|
0
|
1800 }
|
209
|
1801
|
0
|
1802 return process;
|
|
1803 }
|
|
1804
|
|
1805
|
|
1806 /************************************************************************/
|
|
1807 /* deleting a process */
|
|
1808 /************************************************************************/
|
|
1809
|
|
1810 void
|
|
1811 deactivate_process (Lisp_Object proc)
|
|
1812 {
|
|
1813 struct Lisp_Process *p = XPROCESS (proc);
|
263
|
1814 USID usid;
|
0
|
1815
|
263
|
1816 /* It's possible that we got as far in the process-creation
|
|
1817 process as creating the descriptors but didn't get so
|
|
1818 far as selecting the process for input. In this
|
|
1819 case, p->pid is nil: p->pid is set at the same time that
|
|
1820 the process is selected for input. */
|
|
1821 /* #### The comment does not look correct. event_stream_unselect_process
|
|
1822 is guarded by process->selected, so this is not a problem. - kkm*/
|
|
1823 /* Must call this before setting the streams to nil */
|
|
1824 event_stream_unselect_process (p);
|
0
|
1825
|
267
|
1826 if (!NILP (DATA_OUTSTREAM (p)))
|
|
1827 Lstream_close (XLSTREAM (DATA_OUTSTREAM (p)));
|
|
1828 if (!NILP (DATA_INSTREAM (p)))
|
|
1829 Lstream_close (XLSTREAM (DATA_INSTREAM (p)));
|
|
1830
|
263
|
1831 /* Provide minimal implementation for deactivate_process
|
|
1832 if there's no process-specific one */
|
|
1833 if (HAS_PROCMETH_P (deactivate_process))
|
|
1834 usid = PROCMETH (deactivate_process, (p));
|
|
1835 else
|
|
1836 usid = event_stream_delete_stream_pair (p->pipe_instream,
|
|
1837 p->pipe_outstream);
|
0
|
1838
|
263
|
1839 if (usid != USID_DONTHASH)
|
|
1840 remhash ((CONST void*)usid, usid_to_process);
|
|
1841
|
|
1842 p->pipe_instream = Qnil;
|
|
1843 p->pipe_outstream = Qnil;
|
|
1844 #ifdef FILE_CODING
|
|
1845 p->coding_instream = Qnil;
|
|
1846 p->coding_outstream = Qnil;
|
|
1847 #endif
|
0
|
1848 }
|
|
1849
|
|
1850 static void
|
|
1851 remove_process (Lisp_Object proc)
|
|
1852 {
|
|
1853 Vprocess_list = delq_no_quit (proc, Vprocess_list);
|
|
1854 Fset_marker (XPROCESS (proc)->mark, Qnil, Qnil);
|
|
1855
|
|
1856 deactivate_process (proc);
|
|
1857 }
|
|
1858
|
20
|
1859 DEFUN ("delete-process", Fdelete_process, 1, 1, 0, /*
|
0
|
1860 Delete PROCESS: kill it and forget about it immediately.
|
|
1861 PROCESS may be a process or the name of one, or a buffer name.
|
20
|
1862 */
|
|
1863 (proc))
|
0
|
1864 {
|
|
1865 /* This function can GC */
|
|
1866 struct Lisp_Process *p;
|
|
1867 proc = get_process (proc);
|
|
1868 p = XPROCESS (proc);
|
|
1869 if (network_connection_p (proc))
|
|
1870 {
|
|
1871 p->status_symbol = Qexit;
|
|
1872 p->exit_code = 0;
|
|
1873 p->core_dumped = 0;
|
|
1874 p->tick++;
|
|
1875 process_tick++;
|
|
1876 }
|
371
|
1877 else if (!NILP(p->pipe_instream))
|
0
|
1878 {
|
|
1879 Fkill_process (proc, Qnil);
|
|
1880 /* Do this now, since remove_process will make sigchld_handler do nothing. */
|
|
1881 p->status_symbol = Qsignal;
|
|
1882 p->exit_code = SIGKILL;
|
|
1883 p->core_dumped = 0;
|
|
1884 p->tick++;
|
|
1885 process_tick++;
|
|
1886 status_notify ();
|
|
1887 }
|
|
1888 remove_process (proc);
|
|
1889 return Qnil;
|
|
1890 }
|
|
1891
|
|
1892 /* Kill all processes associated with `buffer'.
|
|
1893 If `buffer' is nil, kill all processes */
|
|
1894
|
|
1895 void
|
|
1896 kill_buffer_processes (Lisp_Object buffer)
|
|
1897 {
|
|
1898 Lisp_Object tail;
|
|
1899
|
|
1900 for (tail = Vprocess_list; GC_CONSP (tail);
|
|
1901 tail = XCDR (tail))
|
|
1902 {
|
|
1903 Lisp_Object proc = XCAR (tail);
|
|
1904 if (GC_PROCESSP (proc)
|
|
1905 && (GC_NILP (buffer) || GC_EQ (XPROCESS (proc)->buffer, buffer)))
|
|
1906 {
|
|
1907 if (network_connection_p (proc))
|
|
1908 Fdelete_process (proc);
|
371
|
1909 else if (!NILP (XPROCESS (proc)->pipe_instream))
|
0
|
1910 process_send_signal (proc, SIGHUP, 0, 1);
|
|
1911 }
|
|
1912 }
|
|
1913 }
|
|
1914
|
20
|
1915 DEFUN ("process-kill-without-query", Fprocess_kill_without_query, 1, 2, 0, /*
|
0
|
1916 Say no query needed if PROCESS is running when Emacs is exited.
|
|
1917 Optional second argument if non-nil says to require a query.
|
|
1918 Value is t if a query was formerly required.
|
20
|
1919 */
|
|
1920 (proc, require_query_p))
|
0
|
1921 {
|
|
1922 int tem;
|
|
1923
|
|
1924 CHECK_PROCESS (proc);
|
|
1925 tem = XPROCESS (proc)->kill_without_query;
|
|
1926 XPROCESS (proc)->kill_without_query = NILP (require_query_p);
|
|
1927
|
173
|
1928 return tem ? Qnil : Qt;
|
0
|
1929 }
|
|
1930
|
20
|
1931 DEFUN ("process-kill-without-query-p", Fprocess_kill_without_query_p, 1, 1, 0, /*
|
0
|
1932 Whether PROC will be killed without query if running when emacs is exited.
|
20
|
1933 */
|
|
1934 (proc))
|
0
|
1935 {
|
|
1936 CHECK_PROCESS (proc);
|
173
|
1937 return XPROCESS (proc)->kill_without_query ? Qt : Qnil;
|
0
|
1938 }
|
|
1939
|
|
1940
|
|
1941 /* This is not named init_process in order to avoid a conflict with NS 3.3 */
|
|
1942 void
|
|
1943 init_xemacs_process (void)
|
|
1944 {
|
263
|
1945 MAYBE_PROCMETH (init_process, ());
|
0
|
1946
|
|
1947 Vprocess_list = Qnil;
|
380
|
1948
|
|
1949 if (usid_to_process)
|
|
1950 clrhash (usid_to_process);
|
|
1951 else
|
|
1952 usid_to_process = make_hash_table (32);
|
0
|
1953 }
|
149
|
1954
|
0
|
1955 #if 0
|
|
1956
|
149
|
1957 xxDEFUN ("process-connection", Fprocess_connection, 0, 1, 0, /*
|
0
|
1958 Return the connection type of `PROCESS'. This can be nil (pipe),
|
|
1959 t or pty (pty) or stream (socket connection).
|
149
|
1960 */
|
|
1961 (process))
|
0
|
1962 {
|
|
1963 return XPROCESS (process)->type;
|
|
1964 }
|
|
1965
|
|
1966 #endif /* 0 */
|
|
1967
|
|
1968 void
|
|
1969 syms_of_process (void)
|
|
1970 {
|
|
1971 defsymbol (&Qprocessp, "processp");
|
|
1972 defsymbol (&Qrun, "run");
|
|
1973 defsymbol (&Qstop, "stop");
|
|
1974 defsymbol (&Qopen, "open");
|
|
1975 defsymbol (&Qclosed, "closed");
|
|
1976
|
263
|
1977 defsymbol (&Qtcpip, "tcp/ip");
|
|
1978
|
259
|
1979 #ifdef HAVE_MULTICAST
|
|
1980 defsymbol(&Qmulticast, "multicast"); /* Used for occasional warnings */
|
|
1981 #endif
|
|
1982
|
20
|
1983 DEFSUBR (Fprocessp);
|
|
1984 DEFSUBR (Fget_process);
|
|
1985 DEFSUBR (Fget_buffer_process);
|
|
1986 DEFSUBR (Fdelete_process);
|
|
1987 DEFSUBR (Fprocess_status);
|
|
1988 DEFSUBR (Fprocess_exit_status);
|
|
1989 DEFSUBR (Fprocess_id);
|
|
1990 DEFSUBR (Fprocess_name);
|
|
1991 DEFSUBR (Fprocess_tty_name);
|
|
1992 DEFSUBR (Fprocess_command);
|
|
1993 DEFSUBR (Fset_process_buffer);
|
|
1994 DEFSUBR (Fprocess_buffer);
|
|
1995 DEFSUBR (Fprocess_mark);
|
|
1996 DEFSUBR (Fset_process_filter);
|
|
1997 DEFSUBR (Fprocess_filter);
|
|
1998 DEFSUBR (Fset_process_window_size);
|
|
1999 DEFSUBR (Fset_process_sentinel);
|
|
2000 DEFSUBR (Fprocess_sentinel);
|
|
2001 DEFSUBR (Fprocess_kill_without_query);
|
|
2002 DEFSUBR (Fprocess_kill_without_query_p);
|
|
2003 DEFSUBR (Fprocess_list);
|
|
2004 DEFSUBR (Fstart_process_internal);
|
0
|
2005 #ifdef HAVE_SOCKETS
|
20
|
2006 DEFSUBR (Fopen_network_stream_internal);
|
259
|
2007 #ifdef HAVE_MULTICAST
|
|
2008 DEFSUBR (Fopen_multicast_group_internal);
|
|
2009 #endif /* HAVE_MULTICAST */
|
0
|
2010 #endif /* HAVE_SOCKETS */
|
20
|
2011 DEFSUBR (Fprocess_send_region);
|
|
2012 DEFSUBR (Fprocess_send_string);
|
|
2013 DEFSUBR (Finterrupt_process);
|
|
2014 DEFSUBR (Fkill_process);
|
|
2015 DEFSUBR (Fquit_process);
|
|
2016 DEFSUBR (Fstop_process);
|
|
2017 DEFSUBR (Fcontinue_process);
|
|
2018 DEFSUBR (Fprocess_send_eof);
|
|
2019 DEFSUBR (Fsignal_process);
|
|
2020 /* DEFSUBR (Fprocess_connection); */
|
259
|
2021 #ifdef FILE_CODING
|
70
|
2022 DEFSUBR (Fprocess_input_coding_system);
|
|
2023 DEFSUBR (Fprocess_output_coding_system);
|
|
2024 DEFSUBR (Fset_process_input_coding_system);
|
|
2025 DEFSUBR (Fset_process_output_coding_system);
|
120
|
2026 DEFSUBR (Fprocess_coding_system);
|
|
2027 DEFSUBR (Fset_process_coding_system);
|
263
|
2028 #endif /* FILE_CODING */
|
0
|
2029 }
|
|
2030
|
|
2031 void
|
|
2032 vars_of_process (void)
|
|
2033 {
|
|
2034 Fprovide (intern ("subprocesses"));
|
|
2035 #ifdef HAVE_SOCKETS
|
|
2036 Fprovide (intern ("network-streams"));
|
259
|
2037 #ifdef HAVE_MULTICAST
|
|
2038 Fprovide (intern ("multicast"));
|
|
2039 #endif /* HAVE_MULTICAST */
|
|
2040 #endif /* HAVE_SOCKETS */
|
0
|
2041 staticpro (&Vprocess_list);
|
|
2042
|
|
2043 DEFVAR_BOOL ("delete-exited-processes", &delete_exited_processes /*
|
|
2044 *Non-nil means delete processes immediately when they exit.
|
|
2045 nil means don't delete them until `list-processes' is run.
|
|
2046 */ );
|
|
2047
|
|
2048 delete_exited_processes = 1;
|
|
2049
|
|
2050 DEFVAR_LISP ("process-connection-type", &Vprocess_connection_type /*
|
|
2051 Control type of device used to communicate with subprocesses.
|
|
2052 Values are nil to use a pipe, or t or `pty' to use a pty.
|
|
2053 The value has no effect if the system has no ptys or if all ptys are busy:
|
|
2054 then a pipe is used in any case.
|
|
2055 The value takes effect when `start-process' is called.
|
|
2056 */ );
|
|
2057 Vprocess_connection_type = Qt;
|
153
|
2058
|
278
|
2059 DEFVAR_BOOL ("windowed-process-io", &windowed_process_io /*
|
380
|
2060 Enables input/output on standard handles of a windowed process.
|
278
|
2061 When this variable is nil (the default), XEmacs does not attempt to read
|
|
2062 standard output handle of a windowed process. Instead, the process is
|
|
2063 immediately marked as exited immediately upon successful launching. This is
|
380
|
2064 done because normal windowed processes do not use standard I/O, as they are
|
278
|
2065 not connected to any console.
|
|
2066
|
|
2067 When launching a specially crafted windowed process, which expects to be
|
|
2068 launched by XEmacs, or by other program which pipes its standard input and
|
|
2069 output, this variable must be set to non-nil, in which case XEmacs will
|
|
2070 treat this process just like a console process.
|
|
2071
|
|
2072 NOTE: You should never set this variable, only bind it.
|
|
2073
|
|
2074 Only Windows processes can be "windowed" or "console". This variable has no
|
|
2075 effect on UNIX processes, because all UNIX processes are "console".
|
|
2076 */ );
|
|
2077 windowed_process_io = 0;
|
|
2078
|
153
|
2079 #ifdef PROCESS_IO_BLOCKING
|
|
2080 DEFVAR_LISP ("network-stream-blocking-port-list", &network_stream_blocking_port_list /*
|
|
2081 List of port numbers or port names to set a blocking I/O mode with connection.
|
|
2082 Nil value means to set a default(non-blocking) I/O mode.
|
|
2083 The value takes effect when `open-network-stream-internal' is called.
|
|
2084 */ );
|
|
2085 network_stream_blocking_port_list = Qnil;
|
|
2086 #endif /* PROCESS_IO_BLOCKING */
|
0
|
2087 }
|
|
2088
|
|
2089 #endif /* not NO_SUBPROCESSES */
|