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60370d40 | 1 | ;;; esh-proc.el --- process management |
affbf647 | 2 | |
e9bffc61 GM |
3 | ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
4 | ;; 2008, 2009, 2010, 2011 Free Software Foundation, Inc. | |
affbf647 | 5 | |
7de5b421 GM |
6 | ;; Author: John Wiegley <johnw@gnu.org> |
7 | ||
affbf647 GM |
8 | ;; This file is part of GNU Emacs. |
9 | ||
4ee57b2a | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
affbf647 | 11 | ;; it under the terms of the GNU General Public License as published by |
4ee57b2a GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
affbf647 GM |
14 | |
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
4ee57b2a | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
affbf647 | 22 | |
4e6cc05c GM |
23 | ;;; Commentary: |
24 | ||
8c7309fe GM |
25 | ;;; Code: |
26 | ||
affbf647 GM |
27 | (provide 'esh-proc) |
28 | ||
4e6cc05c GM |
29 | (eval-when-compile |
30 | (require 'eshell) | |
31 | (require 'esh-util)) | |
affbf647 GM |
32 | |
33 | (defgroup eshell-proc nil | |
34 | "When Eshell invokes external commands, it always does so | |
35 | asynchronously, so that Emacs isn't tied up waiting for the process to | |
36 | finish." | |
37 | :tag "Process management" | |
38 | :group 'eshell) | |
39 | ||
affbf647 GM |
40 | ;;; User Variables: |
41 | ||
42 | (defcustom eshell-proc-load-hook '(eshell-proc-initialize) | |
ec60da52 | 43 | "A hook that gets run when `eshell-proc' is loaded." |
affbf647 GM |
44 | :type 'hook |
45 | :group 'eshell-proc) | |
46 | ||
47 | (defcustom eshell-process-wait-seconds 0 | |
ec60da52 | 48 | "The number of seconds to delay waiting for a synchronous process." |
affbf647 GM |
49 | :type 'integer |
50 | :group 'eshell-proc) | |
51 | ||
52 | (defcustom eshell-process-wait-milliseconds 50 | |
ec60da52 | 53 | "The number of milliseconds to delay waiting for a synchronous process." |
affbf647 GM |
54 | :type 'integer |
55 | :group 'eshell-proc) | |
56 | ||
57 | (defcustom eshell-done-messages-in-minibuffer t | |
ec60da52 | 58 | "If non-nil, subjob \"Done\" messages will display in minibuffer." |
affbf647 GM |
59 | :type 'boolean |
60 | :group 'eshell-proc) | |
61 | ||
62 | (defcustom eshell-delete-exited-processes t | |
ec60da52 | 63 | "If nil, process entries will stick around until `jobs' is run. |
affbf647 GM |
64 | This variable sets the buffer-local value of `delete-exited-processes' |
65 | in Eshell buffers. | |
66 | ||
67 | This variable causes Eshell to mimic the behavior of bash when set to | |
68 | nil. It allows the user to view the exit status of a completed subjob | |
69 | \(process) at their leisure, because the process entry remains in | |
70 | memory until the user examines it using \\[list-processes]. | |
71 | ||
72 | Otherwise, if `eshell-done-messages-in-minibuffer' is nil, and this | |
73 | variable is set to t, the only indication the user will have that a | |
74 | subjob is done is that it will no longer appear in the | |
75 | \\[list-processes\\] display. | |
76 | ||
77 | Note that Eshell will have to be restarted for a change in this | |
78 | variable's value to take effect." | |
79 | :type 'boolean | |
80 | :group 'eshell-proc) | |
81 | ||
82 | (defcustom eshell-reset-signals | |
83 | "^\\(interrupt\\|killed\\|quit\\|stopped\\)" | |
ec60da52 | 84 | "If a termination signal matches this regexp, the terminal will be reset." |
affbf647 GM |
85 | :type 'regexp |
86 | :group 'eshell-proc) | |
87 | ||
88 | (defcustom eshell-exec-hook nil | |
ec60da52 | 89 | "Called each time a process is exec'd by `eshell-gather-process-output'. |
affbf647 GM |
90 | It is passed one argument, which is the process that was just started. |
91 | It is useful for things that must be done each time a process is | |
92 | executed in a eshell mode buffer (e.g., `process-kill-without-query'). | |
93 | In contrast, `eshell-mode-hook' is only executed once when the buffer | |
94 | is created." | |
95 | :type 'hook | |
96 | :group 'eshell-proc) | |
97 | ||
98 | (defcustom eshell-kill-hook '(eshell-reset-after-proc) | |
ec60da52 | 99 | "Called when a process run by `eshell-gather-process-output' has ended. |
affbf647 GM |
100 | It is passed two arguments: the process that was just ended, and the |
101 | termination status (as a string). Note that the first argument may be | |
102 | nil, in which case the user attempted to send a signal, but there was | |
103 | no relevant process. This can be used for displaying help | |
104 | information, for example." | |
105 | :type 'hook | |
106 | :group 'eshell-proc) | |
107 | ||
108 | ;;; Internal Variables: | |
109 | ||
110 | (defvar eshell-current-subjob-p nil) | |
111 | ||
112 | (defvar eshell-process-list nil | |
113 | "A list of the current status of subprocesses.") | |
114 | ||
115 | ;;; Functions: | |
116 | ||
117 | (defun eshell-proc-initialize () | |
118 | "Initialize the process handling code." | |
119 | (make-local-variable 'eshell-process-list) | |
120 | (define-key eshell-command-map [(meta ?i)] 'eshell-insert-process) | |
121 | (define-key eshell-command-map [(control ?c)] 'eshell-interrupt-process) | |
122 | (define-key eshell-command-map [(control ?k)] 'eshell-kill-process) | |
123 | (define-key eshell-command-map [(control ?d)] 'eshell-send-eof-to-process) | |
36e81327 | 124 | ; (define-key eshell-command-map [(control ?q)] 'eshell-continue-process) |
affbf647 | 125 | (define-key eshell-command-map [(control ?s)] 'list-processes) |
36e81327 | 126 | ; (define-key eshell-command-map [(control ?z)] 'eshell-stop-process) |
affbf647 GM |
127 | (define-key eshell-command-map [(control ?\\)] 'eshell-quit-process)) |
128 | ||
129 | (defun eshell-reset-after-proc (proc status) | |
130 | "Reset the command input location after a process terminates. | |
131 | The signals which will cause this to happen are matched by | |
132 | `eshell-reset-signals'." | |
ca7aae91 JW |
133 | (if (and (stringp status) |
134 | (string-match eshell-reset-signals status)) | |
affbf647 GM |
135 | (eshell-reset))) |
136 | ||
137 | (defun eshell-wait-for-process (&rest procs) | |
138 | "Wait until PROC has successfully completed." | |
139 | (while procs | |
140 | (let ((proc (car procs))) | |
ca7aae91 | 141 | (when (eshell-processp proc) |
affbf647 GM |
142 | ;; NYI: If the process gets stopped here, that's bad. |
143 | (while (assq proc eshell-process-list) | |
144 | (if (input-pending-p) | |
145 | (discard-input)) | |
146 | (sit-for eshell-process-wait-seconds | |
147 | eshell-process-wait-milliseconds)))) | |
148 | (setq procs (cdr procs)))) | |
149 | ||
150 | (defalias 'eshell/wait 'eshell-wait-for-process) | |
151 | ||
152 | (defun eshell/jobs (&rest args) | |
153 | "List processes, if there are any." | |
ca7aae91 JW |
154 | (and (fboundp 'process-list) |
155 | (process-list) | |
affbf647 GM |
156 | (list-processes))) |
157 | ||
158 | (defun eshell/kill (&rest args) | |
159 | "Kill processes, buffers, symbol or files." | |
160 | (let ((ptr args) | |
161 | (signum 'SIGINT)) | |
162 | (while ptr | |
ca7aae91 | 163 | (if (or (eshell-processp (car ptr)) |
affbf647 GM |
164 | (and (stringp (car ptr)) |
165 | (string-match "^[A-Za-z/][A-Za-z0-9<>/]+$" | |
166 | (car ptr)))) | |
167 | ;; What about when $lisp-variable is possible here? | |
168 | ;; It could very well name a process. | |
169 | (setcar ptr (get-process (car ptr)))) | |
170 | (setq ptr (cdr ptr))) | |
171 | (while args | |
ca7aae91 | 172 | (let ((id (if (eshell-processp (car args)) |
affbf647 GM |
173 | (process-id (car args)) |
174 | (car args)))) | |
175 | (when id | |
176 | (cond | |
177 | ((null id) | |
178 | (error "kill: bad signal spec")) | |
179 | ((and (numberp id) (= id 0)) | |
180 | (error "kill: bad signal spec `%d'" id)) | |
181 | ((and (stringp id) | |
182 | (string-match "^-?[0-9]+$" id)) | |
183 | (setq signum (abs (string-to-number id)))) | |
184 | ((stringp id) | |
185 | (let (case-fold-search) | |
be6e5004 | 186 | (if (string-match "^-\\([A-Z]+[12]?\\)$" id) |
affbf647 GM |
187 | (setq signum |
188 | (intern (concat "SIG" (match-string 1 id)))) | |
189 | (error "kill: bad signal spec `%s'" id)))) | |
190 | ((< id 0) | |
191 | (setq signum (abs id))) | |
192 | (t | |
193 | (signal-process id signum))))) | |
194 | (setq args (cdr args))) | |
195 | nil)) | |
196 | ||
197 | (defun eshell-read-process-name (prompt) | |
198 | "Read the name of a process from the minibuffer, using completion. | |
199 | The prompt will be set to PROMPT." | |
200 | (completing-read prompt | |
201 | (mapcar | |
202 | (function | |
203 | (lambda (proc) | |
204 | (cons (process-name proc) t))) | |
205 | (process-list)) nil t)) | |
206 | ||
207 | (defun eshell-insert-process (process) | |
208 | "Insert the name of PROCESS into the current buffer at point." | |
209 | (interactive | |
210 | (list (get-process | |
211 | (eshell-read-process-name "Name of process: ")))) | |
212 | (insert-and-inherit "#<process " (process-name process) ">")) | |
213 | ||
214 | (defsubst eshell-record-process-object (object) | |
215 | "Record OBJECT as now running." | |
ca7aae91 | 216 | (if (and (eshell-processp object) |
affbf647 GM |
217 | eshell-current-subjob-p) |
218 | (eshell-interactive-print | |
219 | (format "[%s] %d\n" (process-name object) (process-id object)))) | |
220 | (setq eshell-process-list | |
221 | (cons (list object eshell-current-handles | |
222 | eshell-current-subjob-p nil nil) | |
223 | eshell-process-list))) | |
224 | ||
225 | (defun eshell-remove-process-entry (entry) | |
226 | "Record the process ENTRY as fully completed." | |
ca7aae91 | 227 | (if (and (eshell-processp (car entry)) |
affbf647 GM |
228 | (nth 2 entry) |
229 | eshell-done-messages-in-minibuffer) | |
b2a9524a DG |
230 | (message "[%s]+ Done %s" (process-name (car entry)) |
231 | (process-command (car entry)))) | |
affbf647 GM |
232 | (setq eshell-process-list |
233 | (delq entry eshell-process-list))) | |
234 | ||
ca7aae91 JW |
235 | (defvar eshell-scratch-buffer " *eshell-scratch*" |
236 | "Scratch buffer for holding Eshell's input/output.") | |
237 | (defvar eshell-last-sync-output-start nil | |
238 | "A marker that tracks the beginning of output of the last subprocess. | |
239 | Used only on systems which do not support async subprocesses.") | |
240 | ||
1e262c45 GM |
241 | (defvar eshell-needs-pipe '("bc") |
242 | "List of commands which need `process-connection-type' to be nil. | |
243 | Currently only affects commands in pipelines, and not those at | |
244 | the front. If an element contains a directory part it must match | |
245 | the full name of a command, otherwise just the nondirectory part must match.") | |
246 | ||
247 | (defun eshell-needs-pipe-p (command) | |
248 | "Return non-nil if COMMAND needs `process-connection-type' to be nil. | |
249 | See `eshell-needs-pipe'." | |
250 | (and eshell-in-pipeline-p | |
251 | (not (eq eshell-in-pipeline-p 'first)) | |
252 | ;; FIXME should this return non-nil for anything that is | |
253 | ;; neither 'first nor 'last? See bug#1388 discussion. | |
254 | (catch 'found | |
255 | (dolist (exe eshell-needs-pipe) | |
256 | (if (string-equal exe (if (string-match "/" exe) | |
257 | command | |
258 | (file-name-nondirectory command))) | |
259 | (throw 'found t)))))) | |
260 | ||
affbf647 GM |
261 | (defun eshell-gather-process-output (command args) |
262 | "Gather the output from COMMAND + ARGS." | |
263 | (unless (and (file-executable-p command) | |
605a20a9 | 264 | (file-regular-p (file-truename command))) |
affbf647 GM |
265 | (error "%s: not an executable file" command)) |
266 | (let* ((delete-exited-processes | |
267 | (if eshell-current-subjob-p | |
268 | eshell-delete-exited-processes | |
269 | delete-exited-processes)) | |
270 | (process-environment (eshell-environment-variables)) | |
ca7aae91 JW |
271 | proc decoding encoding changed) |
272 | (cond | |
605a20a9 | 273 | ((fboundp 'start-file-process) |
ca7aae91 | 274 | (setq proc |
1e262c45 GM |
275 | (let ((process-connection-type |
276 | (unless (eshell-needs-pipe-p command) | |
605a20a9 MA |
277 | process-connection-type)) |
278 | (command (or (file-remote-p command 'localname) command))) | |
279 | (apply 'start-file-process | |
1e262c45 GM |
280 | (file-name-nondirectory command) nil |
281 | ;; `start-process' can't deal with relative filenames. | |
282 | (append (list (expand-file-name command)) args)))) | |
ca7aae91 JW |
283 | (eshell-record-process-object proc) |
284 | (set-process-buffer proc (current-buffer)) | |
285 | (if (eshell-interactive-output-p) | |
286 | (set-process-filter proc 'eshell-output-filter) | |
287 | (set-process-filter proc 'eshell-insertion-filter)) | |
288 | (set-process-sentinel proc 'eshell-sentinel) | |
289 | (run-hook-with-args 'eshell-exec-hook proc) | |
290 | (when (fboundp 'process-coding-system) | |
291 | (let ((coding-systems (process-coding-system proc))) | |
292 | (setq decoding (car coding-systems) | |
293 | encoding (cdr coding-systems))) | |
294 | ;; If start-process decided to use some coding system for | |
295 | ;; decoding data sent from the process and the coding system | |
296 | ;; doesn't specify EOL conversion, we had better convert CRLF | |
297 | ;; to LF. | |
298 | (if (vectorp (coding-system-eol-type decoding)) | |
299 | (setq decoding (coding-system-change-eol-conversion decoding 'dos) | |
300 | changed t)) | |
301 | ;; Even if start-process left the coding system for encoding | |
302 | ;; data sent from the process undecided, we had better use the | |
303 | ;; same one as what we use for decoding. But, we should | |
304 | ;; suppress EOL conversion. | |
305 | (if (and decoding (not encoding)) | |
306 | (setq encoding (coding-system-change-eol-conversion decoding 'unix) | |
307 | changed t)) | |
308 | (if changed | |
309 | (set-process-coding-system proc decoding encoding)))) | |
310 | (t | |
311 | ;; No async subprocesses... | |
312 | (let ((oldbuf (current-buffer)) | |
313 | (interact-p (eshell-interactive-output-p)) | |
314 | lbeg lend line proc-buf exit-status) | |
315 | (and (not (markerp eshell-last-sync-output-start)) | |
316 | (setq eshell-last-sync-output-start (point-marker))) | |
317 | (setq proc-buf | |
318 | (set-buffer (get-buffer-create eshell-scratch-buffer))) | |
319 | (erase-buffer) | |
320 | (set-buffer oldbuf) | |
321 | (run-hook-with-args 'eshell-exec-hook command) | |
322 | (setq exit-status | |
323 | (apply 'call-process-region | |
324 | (append (list eshell-last-sync-output-start (point) | |
325 | command t | |
326 | eshell-scratch-buffer nil) | |
327 | args))) | |
328 | ;; When in a pipeline, record the place where the output of | |
329 | ;; this process will begin. | |
330 | (and eshell-in-pipeline-p | |
331 | (set-marker eshell-last-sync-output-start (point))) | |
332 | ;; Simulate the effect of the process filter. | |
333 | (when (numberp exit-status) | |
334 | (set-buffer proc-buf) | |
335 | (goto-char (point-min)) | |
336 | (setq lbeg (point)) | |
337 | (while (eq 0 (forward-line 1)) | |
338 | (setq lend (point) | |
339 | line (buffer-substring-no-properties lbeg lend)) | |
340 | (set-buffer oldbuf) | |
341 | (if interact-p | |
342 | (eshell-output-filter nil line) | |
343 | (eshell-output-object line)) | |
344 | (setq lbeg lend) | |
345 | (set-buffer proc-buf)) | |
346 | (set-buffer oldbuf)) | |
347 | (eshell-update-markers eshell-last-output-end) | |
348 | ;; Simulate the effect of eshell-sentinel. | |
349 | (eshell-close-handles (if (numberp exit-status) exit-status -1)) | |
350 | (run-hook-with-args 'eshell-kill-hook command exit-status) | |
351 | (or eshell-in-pipeline-p | |
352 | (setq eshell-last-sync-output-start nil)) | |
353 | (if (not (numberp exit-status)) | |
354 | (error "%s: external command failed: %s" command exit-status)) | |
355 | (setq proc t)))) | |
affbf647 GM |
356 | proc)) |
357 | ||
358 | (defun eshell-insertion-filter (proc string) | |
359 | "Insert a string into the eshell buffer, or a process/file/buffer. | |
360 | PROC is the process for which we're inserting output. STRING is the | |
361 | output." | |
362 | (when (buffer-live-p (process-buffer proc)) | |
dafac6f3 GM |
363 | (with-current-buffer (process-buffer proc) |
364 | (let ((entry (assq proc eshell-process-list))) | |
365 | (when entry | |
366 | (setcar (nthcdr 3 entry) | |
367 | (concat (nth 3 entry) string)) | |
368 | (unless (nth 4 entry) ; already being handled? | |
369 | (while (nth 3 entry) | |
370 | (let ((data (nth 3 entry))) | |
371 | (setcar (nthcdr 3 entry) nil) | |
372 | (setcar (nthcdr 4 entry) t) | |
373 | (eshell-output-object data nil (cadr entry)) | |
374 | (setcar (nthcdr 4 entry) nil))))))))) | |
affbf647 GM |
375 | |
376 | (defun eshell-sentinel (proc string) | |
377 | "Generic sentinel for command processes. Reports only signals. | |
378 | PROC is the process that's exiting. STRING is the exit message." | |
379 | (when (buffer-live-p (process-buffer proc)) | |
dafac6f3 GM |
380 | (with-current-buffer (process-buffer proc) |
381 | (unwind-protect | |
382 | (let* ((entry (assq proc eshell-process-list))) | |
383 | ; (if (not entry) | |
384 | ; (error "Sentinel called for unowned process `%s'" | |
385 | ; (process-name proc)) | |
386 | (when entry | |
387 | (unwind-protect | |
388 | (progn | |
389 | (unless (string= string "run") | |
390 | (unless (string-match "^\\(finished\\|exited\\)" string) | |
391 | (eshell-insertion-filter proc string)) | |
392 | (eshell-close-handles (process-exit-status proc) 'nil | |
393 | (cadr entry)))) | |
394 | (eshell-remove-process-entry entry)))) | |
395 | (run-hook-with-args 'eshell-kill-hook proc string))))) | |
affbf647 GM |
396 | |
397 | (defun eshell-process-interact (func &optional all query) | |
398 | "Interact with a process, using PROMPT if more than one, via FUNC. | |
399 | If ALL is non-nil, background processes will be interacted with as well. | |
400 | If QUERY is non-nil, query the user with QUERY before calling FUNC." | |
401 | (let (defunct result) | |
402 | (eshell-for entry eshell-process-list | |
403 | (if (and (memq (process-status (car entry)) | |
404 | '(run stop open closed)) | |
405 | (or all | |
406 | (not (nth 2 entry))) | |
407 | (or (not query) | |
408 | (y-or-n-p (format query (process-name (car entry)))))) | |
409 | (setq result (funcall func (car entry)))) | |
410 | (unless (memq (process-status (car entry)) | |
411 | '(run stop open closed)) | |
412 | (setq defunct (cons entry defunct)))) | |
413 | ;; clean up the process list; this can get dirty if an error | |
414 | ;; occurred that brought the user into the debugger, and then they | |
415 | ;; quit, so that the sentinel was never called. | |
416 | (eshell-for d defunct | |
417 | (eshell-remove-process-entry d)) | |
418 | result)) | |
419 | ||
420 | (defcustom eshell-kill-process-wait-time 5 | |
ec60da52 | 421 | "Seconds to wait between sending termination signals to a subprocess." |
affbf647 GM |
422 | :type 'integer |
423 | :group 'eshell-proc) | |
424 | ||
425 | (defcustom eshell-kill-process-signals '(SIGINT SIGQUIT SIGKILL) | |
ec60da52 | 426 | "Signals used to kill processes when an Eshell buffer exits. |
affbf647 GM |
427 | Eshell calls each of these signals in order when an Eshell buffer is |
428 | killed; if the process is still alive afterwards, Eshell waits a | |
429 | number of seconds defined by `eshell-kill-process-wait-time', and | |
430 | tries the next signal in the list." | |
431 | :type '(repeat symbol) | |
432 | :group 'eshell-proc) | |
433 | ||
434 | (defcustom eshell-kill-processes-on-exit nil | |
ec60da52 | 435 | "If non-nil, kill active processes when exiting an Eshell buffer. |
affbf647 GM |
436 | Emacs will only kill processes owned by that Eshell buffer. |
437 | ||
438 | If nil, ownership of background and foreground processes reverts to | |
439 | Emacs itself, and will die only if the user exits Emacs, calls | |
440 | `kill-process', or terminates the processes externally. | |
441 | ||
442 | If `ask', Emacs prompts the user before killing any processes. | |
443 | ||
444 | If `every', it prompts once for every process. | |
445 | ||
446 | If t, it kills all buffer-owned processes without asking. | |
447 | ||
448 | Processes are first sent SIGHUP, then SIGINT, then SIGQUIT, then | |
449 | SIGKILL. The variable `eshell-kill-process-wait-time' specifies how | |
450 | long to delay between signals." | |
451 | :type '(choice (const :tag "Kill all, don't ask" t) | |
452 | (const :tag "Ask before killing" ask) | |
453 | (const :tag "Ask for each process" every) | |
454 | (const :tag "Don't kill subprocesses" nil)) | |
455 | :group 'eshell-proc) | |
456 | ||
457 | (defun eshell-round-robin-kill (&optional query) | |
458 | "Kill current process by trying various signals in sequence. | |
459 | See the variable `eshell-kill-processes-on-exit'." | |
460 | (let ((sigs eshell-kill-process-signals)) | |
461 | (while sigs | |
462 | (eshell-process-interact | |
463 | (function | |
464 | (lambda (proc) | |
465 | (signal-process (process-id proc) (car sigs)))) t query) | |
466 | (setq query nil) | |
467 | (if (not eshell-process-list) | |
468 | (setq sigs nil) | |
469 | (sleep-for eshell-kill-process-wait-time) | |
470 | (setq sigs (cdr sigs)))))) | |
471 | ||
472 | (defun eshell-query-kill-processes () | |
473 | "Kill processes belonging to the current Eshell buffer, possibly w/ query." | |
474 | (when (and eshell-kill-processes-on-exit | |
475 | eshell-process-list) | |
476 | (save-window-excursion | |
477 | (list-processes) | |
478 | (if (or (not (eq eshell-kill-processes-on-exit 'ask)) | |
479 | (y-or-n-p (format "Kill processes owned by `%s'? " | |
480 | (buffer-name)))) | |
481 | (eshell-round-robin-kill | |
482 | (if (eq eshell-kill-processes-on-exit 'every) | |
483 | "Kill Eshell child process `%s'? "))) | |
484 | (let ((buf (get-buffer "*Process List*"))) | |
485 | (if (and buf (buffer-live-p buf)) | |
486 | (kill-buffer buf))) | |
487 | (message nil)))) | |
488 | ||
489 | (custom-add-option 'eshell-exit-hook 'eshell-query-kill-processes) | |
490 | ||
491 | (defun eshell-interrupt-process () | |
492 | "Interrupt a process." | |
493 | (interactive) | |
494 | (unless (eshell-process-interact 'interrupt-process) | |
495 | (run-hook-with-args 'eshell-kill-hook nil "interrupt"))) | |
496 | ||
497 | (defun eshell-kill-process () | |
498 | "Kill a process." | |
499 | (interactive) | |
500 | (unless (eshell-process-interact 'kill-process) | |
501 | (run-hook-with-args 'eshell-kill-hook nil "killed"))) | |
502 | ||
503 | (defun eshell-quit-process () | |
504 | "Send quit signal to process." | |
505 | (interactive) | |
506 | (unless (eshell-process-interact 'quit-process) | |
507 | (run-hook-with-args 'eshell-kill-hook nil "quit"))) | |
508 | ||
36e81327 JW |
509 | ;(defun eshell-stop-process () |
510 | ; "Send STOP signal to process." | |
511 | ; (interactive) | |
512 | ; (unless (eshell-process-interact 'stop-process) | |
513 | ; (run-hook-with-args 'eshell-kill-hook nil "stopped"))) | |
514 | ||
515 | ;(defun eshell-continue-process () | |
516 | ; "Send CONTINUE signal to process." | |
517 | ; (interactive) | |
518 | ; (unless (eshell-process-interact 'continue-process) | |
519 | ; ;; jww (1999-09-17): this signal is not dealt with yet. For | |
520 | ; ;; example, `eshell-reset' will be called, and so will | |
521 | ; ;; `eshell-resume-eval'. | |
522 | ; (run-hook-with-args 'eshell-kill-hook nil "continue"))) | |
affbf647 GM |
523 | |
524 | (defun eshell-send-eof-to-process () | |
525 | "Send EOF to process." | |
526 | (interactive) | |
527 | (eshell-send-input nil nil t) | |
528 | (eshell-process-interact 'process-send-eof)) | |
529 | ||
affbf647 | 530 | ;;; esh-proc.el ends here |