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60370d40 | 1 | ;;; esh-proc.el --- process management |
affbf647 | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 1999-2011 Free Software Foundation, Inc. |
affbf647 | 4 | |
7de5b421 GM |
5 | ;; Author: John Wiegley <johnw@gnu.org> |
6 | ||
affbf647 GM |
7 | ;; This file is part of GNU Emacs. |
8 | ||
4ee57b2a | 9 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
affbf647 | 10 | ;; it under the terms of the GNU General Public License as published by |
4ee57b2a GM |
11 | ;; the Free Software Foundation, either version 3 of the License, or |
12 | ;; (at your option) any later version. | |
affbf647 GM |
13 | |
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
4ee57b2a | 20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
affbf647 | 21 | |
4e6cc05c GM |
22 | ;;; Commentary: |
23 | ||
8c7309fe GM |
24 | ;;; Code: |
25 | ||
affbf647 GM |
26 | (provide 'esh-proc) |
27 | ||
4e6cc05c GM |
28 | (eval-when-compile |
29 | (require 'eshell) | |
30 | (require 'esh-util)) | |
affbf647 GM |
31 | |
32 | (defgroup eshell-proc nil | |
33 | "When Eshell invokes external commands, it always does so | |
34 | asynchronously, so that Emacs isn't tied up waiting for the process to | |
35 | finish." | |
36 | :tag "Process management" | |
37 | :group 'eshell) | |
38 | ||
affbf647 GM |
39 | ;;; User Variables: |
40 | ||
41 | (defcustom eshell-proc-load-hook '(eshell-proc-initialize) | |
ec60da52 | 42 | "A hook that gets run when `eshell-proc' is loaded." |
affbf647 GM |
43 | :type 'hook |
44 | :group 'eshell-proc) | |
45 | ||
46 | (defcustom eshell-process-wait-seconds 0 | |
ec60da52 | 47 | "The number of seconds to delay waiting for a synchronous process." |
affbf647 GM |
48 | :type 'integer |
49 | :group 'eshell-proc) | |
50 | ||
51 | (defcustom eshell-process-wait-milliseconds 50 | |
ec60da52 | 52 | "The number of milliseconds to delay waiting for a synchronous process." |
affbf647 GM |
53 | :type 'integer |
54 | :group 'eshell-proc) | |
55 | ||
56 | (defcustom eshell-done-messages-in-minibuffer t | |
ec60da52 | 57 | "If non-nil, subjob \"Done\" messages will display in minibuffer." |
affbf647 GM |
58 | :type 'boolean |
59 | :group 'eshell-proc) | |
60 | ||
61 | (defcustom eshell-delete-exited-processes t | |
ec60da52 | 62 | "If nil, process entries will stick around until `jobs' is run. |
affbf647 GM |
63 | This variable sets the buffer-local value of `delete-exited-processes' |
64 | in Eshell buffers. | |
65 | ||
66 | This variable causes Eshell to mimic the behavior of bash when set to | |
67 | nil. It allows the user to view the exit status of a completed subjob | |
68 | \(process) at their leisure, because the process entry remains in | |
69 | memory until the user examines it using \\[list-processes]. | |
70 | ||
71 | Otherwise, if `eshell-done-messages-in-minibuffer' is nil, and this | |
72 | variable is set to t, the only indication the user will have that a | |
73 | subjob is done is that it will no longer appear in the | |
74 | \\[list-processes\\] display. | |
75 | ||
76 | Note that Eshell will have to be restarted for a change in this | |
77 | variable's value to take effect." | |
78 | :type 'boolean | |
79 | :group 'eshell-proc) | |
80 | ||
81 | (defcustom eshell-reset-signals | |
82 | "^\\(interrupt\\|killed\\|quit\\|stopped\\)" | |
ec60da52 | 83 | "If a termination signal matches this regexp, the terminal will be reset." |
affbf647 GM |
84 | :type 'regexp |
85 | :group 'eshell-proc) | |
86 | ||
87 | (defcustom eshell-exec-hook nil | |
ec60da52 | 88 | "Called each time a process is exec'd by `eshell-gather-process-output'. |
affbf647 GM |
89 | It is passed one argument, which is the process that was just started. |
90 | It is useful for things that must be done each time a process is | |
91 | executed in a eshell mode buffer (e.g., `process-kill-without-query'). | |
92 | In contrast, `eshell-mode-hook' is only executed once when the buffer | |
93 | is created." | |
94 | :type 'hook | |
95 | :group 'eshell-proc) | |
96 | ||
97 | (defcustom eshell-kill-hook '(eshell-reset-after-proc) | |
ec60da52 | 98 | "Called when a process run by `eshell-gather-process-output' has ended. |
affbf647 GM |
99 | It is passed two arguments: the process that was just ended, and the |
100 | termination status (as a string). Note that the first argument may be | |
101 | nil, in which case the user attempted to send a signal, but there was | |
102 | no relevant process. This can be used for displaying help | |
103 | information, for example." | |
104 | :type 'hook | |
105 | :group 'eshell-proc) | |
106 | ||
107 | ;;; Internal Variables: | |
108 | ||
109 | (defvar eshell-current-subjob-p nil) | |
110 | ||
111 | (defvar eshell-process-list nil | |
112 | "A list of the current status of subprocesses.") | |
113 | ||
114 | ;;; Functions: | |
115 | ||
116 | (defun eshell-proc-initialize () | |
117 | "Initialize the process handling code." | |
118 | (make-local-variable 'eshell-process-list) | |
119 | (define-key eshell-command-map [(meta ?i)] 'eshell-insert-process) | |
120 | (define-key eshell-command-map [(control ?c)] 'eshell-interrupt-process) | |
121 | (define-key eshell-command-map [(control ?k)] 'eshell-kill-process) | |
122 | (define-key eshell-command-map [(control ?d)] 'eshell-send-eof-to-process) | |
36e81327 | 123 | ; (define-key eshell-command-map [(control ?q)] 'eshell-continue-process) |
affbf647 | 124 | (define-key eshell-command-map [(control ?s)] 'list-processes) |
36e81327 | 125 | ; (define-key eshell-command-map [(control ?z)] 'eshell-stop-process) |
affbf647 GM |
126 | (define-key eshell-command-map [(control ?\\)] 'eshell-quit-process)) |
127 | ||
128 | (defun eshell-reset-after-proc (proc status) | |
129 | "Reset the command input location after a process terminates. | |
130 | The signals which will cause this to happen are matched by | |
131 | `eshell-reset-signals'." | |
ca7aae91 JW |
132 | (if (and (stringp status) |
133 | (string-match eshell-reset-signals status)) | |
affbf647 GM |
134 | (eshell-reset))) |
135 | ||
136 | (defun eshell-wait-for-process (&rest procs) | |
137 | "Wait until PROC has successfully completed." | |
138 | (while procs | |
139 | (let ((proc (car procs))) | |
ca7aae91 | 140 | (when (eshell-processp proc) |
affbf647 GM |
141 | ;; NYI: If the process gets stopped here, that's bad. |
142 | (while (assq proc eshell-process-list) | |
143 | (if (input-pending-p) | |
144 | (discard-input)) | |
145 | (sit-for eshell-process-wait-seconds | |
146 | eshell-process-wait-milliseconds)))) | |
147 | (setq procs (cdr procs)))) | |
148 | ||
149 | (defalias 'eshell/wait 'eshell-wait-for-process) | |
150 | ||
151 | (defun eshell/jobs (&rest args) | |
152 | "List processes, if there are any." | |
ca7aae91 JW |
153 | (and (fboundp 'process-list) |
154 | (process-list) | |
affbf647 GM |
155 | (list-processes))) |
156 | ||
157 | (defun eshell/kill (&rest args) | |
158 | "Kill processes, buffers, symbol or files." | |
159 | (let ((ptr args) | |
160 | (signum 'SIGINT)) | |
161 | (while ptr | |
ca7aae91 | 162 | (if (or (eshell-processp (car ptr)) |
affbf647 GM |
163 | (and (stringp (car ptr)) |
164 | (string-match "^[A-Za-z/][A-Za-z0-9<>/]+$" | |
165 | (car ptr)))) | |
166 | ;; What about when $lisp-variable is possible here? | |
167 | ;; It could very well name a process. | |
168 | (setcar ptr (get-process (car ptr)))) | |
169 | (setq ptr (cdr ptr))) | |
170 | (while args | |
ca7aae91 | 171 | (let ((id (if (eshell-processp (car args)) |
affbf647 GM |
172 | (process-id (car args)) |
173 | (car args)))) | |
174 | (when id | |
175 | (cond | |
176 | ((null id) | |
177 | (error "kill: bad signal spec")) | |
178 | ((and (numberp id) (= id 0)) | |
179 | (error "kill: bad signal spec `%d'" id)) | |
180 | ((and (stringp id) | |
181 | (string-match "^-?[0-9]+$" id)) | |
182 | (setq signum (abs (string-to-number id)))) | |
183 | ((stringp id) | |
184 | (let (case-fold-search) | |
be6e5004 | 185 | (if (string-match "^-\\([A-Z]+[12]?\\)$" id) |
affbf647 GM |
186 | (setq signum |
187 | (intern (concat "SIG" (match-string 1 id)))) | |
188 | (error "kill: bad signal spec `%s'" id)))) | |
189 | ((< id 0) | |
190 | (setq signum (abs id))) | |
191 | (t | |
192 | (signal-process id signum))))) | |
193 | (setq args (cdr args))) | |
194 | nil)) | |
195 | ||
196 | (defun eshell-read-process-name (prompt) | |
197 | "Read the name of a process from the minibuffer, using completion. | |
198 | The prompt will be set to PROMPT." | |
199 | (completing-read prompt | |
200 | (mapcar | |
201 | (function | |
202 | (lambda (proc) | |
203 | (cons (process-name proc) t))) | |
204 | (process-list)) nil t)) | |
205 | ||
206 | (defun eshell-insert-process (process) | |
207 | "Insert the name of PROCESS into the current buffer at point." | |
208 | (interactive | |
209 | (list (get-process | |
210 | (eshell-read-process-name "Name of process: ")))) | |
211 | (insert-and-inherit "#<process " (process-name process) ">")) | |
212 | ||
213 | (defsubst eshell-record-process-object (object) | |
214 | "Record OBJECT as now running." | |
ca7aae91 | 215 | (if (and (eshell-processp object) |
affbf647 GM |
216 | eshell-current-subjob-p) |
217 | (eshell-interactive-print | |
218 | (format "[%s] %d\n" (process-name object) (process-id object)))) | |
219 | (setq eshell-process-list | |
220 | (cons (list object eshell-current-handles | |
221 | eshell-current-subjob-p nil nil) | |
222 | eshell-process-list))) | |
223 | ||
224 | (defun eshell-remove-process-entry (entry) | |
225 | "Record the process ENTRY as fully completed." | |
ca7aae91 | 226 | (if (and (eshell-processp (car entry)) |
affbf647 GM |
227 | (nth 2 entry) |
228 | eshell-done-messages-in-minibuffer) | |
b2a9524a DG |
229 | (message "[%s]+ Done %s" (process-name (car entry)) |
230 | (process-command (car entry)))) | |
affbf647 GM |
231 | (setq eshell-process-list |
232 | (delq entry eshell-process-list))) | |
233 | ||
ca7aae91 JW |
234 | (defvar eshell-scratch-buffer " *eshell-scratch*" |
235 | "Scratch buffer for holding Eshell's input/output.") | |
236 | (defvar eshell-last-sync-output-start nil | |
237 | "A marker that tracks the beginning of output of the last subprocess. | |
238 | Used only on systems which do not support async subprocesses.") | |
239 | ||
1e262c45 GM |
240 | (defvar eshell-needs-pipe '("bc") |
241 | "List of commands which need `process-connection-type' to be nil. | |
242 | Currently only affects commands in pipelines, and not those at | |
243 | the front. If an element contains a directory part it must match | |
244 | the full name of a command, otherwise just the nondirectory part must match.") | |
245 | ||
246 | (defun eshell-needs-pipe-p (command) | |
247 | "Return non-nil if COMMAND needs `process-connection-type' to be nil. | |
248 | See `eshell-needs-pipe'." | |
249 | (and eshell-in-pipeline-p | |
250 | (not (eq eshell-in-pipeline-p 'first)) | |
251 | ;; FIXME should this return non-nil for anything that is | |
252 | ;; neither 'first nor 'last? See bug#1388 discussion. | |
253 | (catch 'found | |
254 | (dolist (exe eshell-needs-pipe) | |
255 | (if (string-equal exe (if (string-match "/" exe) | |
256 | command | |
257 | (file-name-nondirectory command))) | |
258 | (throw 'found t)))))) | |
259 | ||
affbf647 GM |
260 | (defun eshell-gather-process-output (command args) |
261 | "Gather the output from COMMAND + ARGS." | |
262 | (unless (and (file-executable-p command) | |
605a20a9 | 263 | (file-regular-p (file-truename command))) |
affbf647 GM |
264 | (error "%s: not an executable file" command)) |
265 | (let* ((delete-exited-processes | |
266 | (if eshell-current-subjob-p | |
267 | eshell-delete-exited-processes | |
268 | delete-exited-processes)) | |
269 | (process-environment (eshell-environment-variables)) | |
ca7aae91 JW |
270 | proc decoding encoding changed) |
271 | (cond | |
605a20a9 | 272 | ((fboundp 'start-file-process) |
ca7aae91 | 273 | (setq proc |
1e262c45 GM |
274 | (let ((process-connection-type |
275 | (unless (eshell-needs-pipe-p command) | |
605a20a9 MA |
276 | process-connection-type)) |
277 | (command (or (file-remote-p command 'localname) command))) | |
278 | (apply 'start-file-process | |
1e262c45 GM |
279 | (file-name-nondirectory command) nil |
280 | ;; `start-process' can't deal with relative filenames. | |
281 | (append (list (expand-file-name command)) args)))) | |
ca7aae91 JW |
282 | (eshell-record-process-object proc) |
283 | (set-process-buffer proc (current-buffer)) | |
284 | (if (eshell-interactive-output-p) | |
285 | (set-process-filter proc 'eshell-output-filter) | |
286 | (set-process-filter proc 'eshell-insertion-filter)) | |
287 | (set-process-sentinel proc 'eshell-sentinel) | |
288 | (run-hook-with-args 'eshell-exec-hook proc) | |
289 | (when (fboundp 'process-coding-system) | |
290 | (let ((coding-systems (process-coding-system proc))) | |
291 | (setq decoding (car coding-systems) | |
292 | encoding (cdr coding-systems))) | |
293 | ;; If start-process decided to use some coding system for | |
294 | ;; decoding data sent from the process and the coding system | |
295 | ;; doesn't specify EOL conversion, we had better convert CRLF | |
296 | ;; to LF. | |
297 | (if (vectorp (coding-system-eol-type decoding)) | |
298 | (setq decoding (coding-system-change-eol-conversion decoding 'dos) | |
299 | changed t)) | |
300 | ;; Even if start-process left the coding system for encoding | |
301 | ;; data sent from the process undecided, we had better use the | |
302 | ;; same one as what we use for decoding. But, we should | |
303 | ;; suppress EOL conversion. | |
304 | (if (and decoding (not encoding)) | |
305 | (setq encoding (coding-system-change-eol-conversion decoding 'unix) | |
306 | changed t)) | |
307 | (if changed | |
308 | (set-process-coding-system proc decoding encoding)))) | |
309 | (t | |
310 | ;; No async subprocesses... | |
311 | (let ((oldbuf (current-buffer)) | |
312 | (interact-p (eshell-interactive-output-p)) | |
313 | lbeg lend line proc-buf exit-status) | |
314 | (and (not (markerp eshell-last-sync-output-start)) | |
315 | (setq eshell-last-sync-output-start (point-marker))) | |
316 | (setq proc-buf | |
317 | (set-buffer (get-buffer-create eshell-scratch-buffer))) | |
318 | (erase-buffer) | |
319 | (set-buffer oldbuf) | |
320 | (run-hook-with-args 'eshell-exec-hook command) | |
321 | (setq exit-status | |
322 | (apply 'call-process-region | |
323 | (append (list eshell-last-sync-output-start (point) | |
324 | command t | |
325 | eshell-scratch-buffer nil) | |
326 | args))) | |
327 | ;; When in a pipeline, record the place where the output of | |
328 | ;; this process will begin. | |
329 | (and eshell-in-pipeline-p | |
330 | (set-marker eshell-last-sync-output-start (point))) | |
331 | ;; Simulate the effect of the process filter. | |
332 | (when (numberp exit-status) | |
333 | (set-buffer proc-buf) | |
334 | (goto-char (point-min)) | |
335 | (setq lbeg (point)) | |
336 | (while (eq 0 (forward-line 1)) | |
337 | (setq lend (point) | |
338 | line (buffer-substring-no-properties lbeg lend)) | |
339 | (set-buffer oldbuf) | |
340 | (if interact-p | |
341 | (eshell-output-filter nil line) | |
342 | (eshell-output-object line)) | |
343 | (setq lbeg lend) | |
344 | (set-buffer proc-buf)) | |
345 | (set-buffer oldbuf)) | |
346 | (eshell-update-markers eshell-last-output-end) | |
347 | ;; Simulate the effect of eshell-sentinel. | |
348 | (eshell-close-handles (if (numberp exit-status) exit-status -1)) | |
349 | (run-hook-with-args 'eshell-kill-hook command exit-status) | |
350 | (or eshell-in-pipeline-p | |
351 | (setq eshell-last-sync-output-start nil)) | |
352 | (if (not (numberp exit-status)) | |
353 | (error "%s: external command failed: %s" command exit-status)) | |
354 | (setq proc t)))) | |
affbf647 GM |
355 | proc)) |
356 | ||
357 | (defun eshell-insertion-filter (proc string) | |
358 | "Insert a string into the eshell buffer, or a process/file/buffer. | |
359 | PROC is the process for which we're inserting output. STRING is the | |
360 | output." | |
361 | (when (buffer-live-p (process-buffer proc)) | |
dafac6f3 GM |
362 | (with-current-buffer (process-buffer proc) |
363 | (let ((entry (assq proc eshell-process-list))) | |
364 | (when entry | |
365 | (setcar (nthcdr 3 entry) | |
366 | (concat (nth 3 entry) string)) | |
367 | (unless (nth 4 entry) ; already being handled? | |
368 | (while (nth 3 entry) | |
369 | (let ((data (nth 3 entry))) | |
370 | (setcar (nthcdr 3 entry) nil) | |
371 | (setcar (nthcdr 4 entry) t) | |
372 | (eshell-output-object data nil (cadr entry)) | |
373 | (setcar (nthcdr 4 entry) nil))))))))) | |
affbf647 GM |
374 | |
375 | (defun eshell-sentinel (proc string) | |
376 | "Generic sentinel for command processes. Reports only signals. | |
377 | PROC is the process that's exiting. STRING is the exit message." | |
378 | (when (buffer-live-p (process-buffer proc)) | |
dafac6f3 GM |
379 | (with-current-buffer (process-buffer proc) |
380 | (unwind-protect | |
381 | (let* ((entry (assq proc eshell-process-list))) | |
382 | ; (if (not entry) | |
383 | ; (error "Sentinel called for unowned process `%s'" | |
384 | ; (process-name proc)) | |
385 | (when entry | |
386 | (unwind-protect | |
387 | (progn | |
388 | (unless (string= string "run") | |
389 | (unless (string-match "^\\(finished\\|exited\\)" string) | |
390 | (eshell-insertion-filter proc string)) | |
391 | (eshell-close-handles (process-exit-status proc) 'nil | |
392 | (cadr entry)))) | |
393 | (eshell-remove-process-entry entry)))) | |
394 | (run-hook-with-args 'eshell-kill-hook proc string))))) | |
affbf647 GM |
395 | |
396 | (defun eshell-process-interact (func &optional all query) | |
397 | "Interact with a process, using PROMPT if more than one, via FUNC. | |
398 | If ALL is non-nil, background processes will be interacted with as well. | |
399 | If QUERY is non-nil, query the user with QUERY before calling FUNC." | |
400 | (let (defunct result) | |
a9eeff78 | 401 | (dolist (entry eshell-process-list) |
affbf647 GM |
402 | (if (and (memq (process-status (car entry)) |
403 | '(run stop open closed)) | |
404 | (or all | |
405 | (not (nth 2 entry))) | |
406 | (or (not query) | |
407 | (y-or-n-p (format query (process-name (car entry)))))) | |
408 | (setq result (funcall func (car entry)))) | |
409 | (unless (memq (process-status (car entry)) | |
410 | '(run stop open closed)) | |
411 | (setq defunct (cons entry defunct)))) | |
412 | ;; clean up the process list; this can get dirty if an error | |
413 | ;; occurred that brought the user into the debugger, and then they | |
414 | ;; quit, so that the sentinel was never called. | |
a9eeff78 | 415 | (dolist (d defunct) |
affbf647 GM |
416 | (eshell-remove-process-entry d)) |
417 | result)) | |
418 | ||
419 | (defcustom eshell-kill-process-wait-time 5 | |
ec60da52 | 420 | "Seconds to wait between sending termination signals to a subprocess." |
affbf647 GM |
421 | :type 'integer |
422 | :group 'eshell-proc) | |
423 | ||
424 | (defcustom eshell-kill-process-signals '(SIGINT SIGQUIT SIGKILL) | |
ec60da52 | 425 | "Signals used to kill processes when an Eshell buffer exits. |
affbf647 GM |
426 | Eshell calls each of these signals in order when an Eshell buffer is |
427 | killed; if the process is still alive afterwards, Eshell waits a | |
428 | number of seconds defined by `eshell-kill-process-wait-time', and | |
429 | tries the next signal in the list." | |
430 | :type '(repeat symbol) | |
431 | :group 'eshell-proc) | |
432 | ||
433 | (defcustom eshell-kill-processes-on-exit nil | |
ec60da52 | 434 | "If non-nil, kill active processes when exiting an Eshell buffer. |
affbf647 GM |
435 | Emacs will only kill processes owned by that Eshell buffer. |
436 | ||
437 | If nil, ownership of background and foreground processes reverts to | |
438 | Emacs itself, and will die only if the user exits Emacs, calls | |
439 | `kill-process', or terminates the processes externally. | |
440 | ||
441 | If `ask', Emacs prompts the user before killing any processes. | |
442 | ||
443 | If `every', it prompts once for every process. | |
444 | ||
445 | If t, it kills all buffer-owned processes without asking. | |
446 | ||
447 | Processes are first sent SIGHUP, then SIGINT, then SIGQUIT, then | |
448 | SIGKILL. The variable `eshell-kill-process-wait-time' specifies how | |
449 | long to delay between signals." | |
450 | :type '(choice (const :tag "Kill all, don't ask" t) | |
451 | (const :tag "Ask before killing" ask) | |
452 | (const :tag "Ask for each process" every) | |
453 | (const :tag "Don't kill subprocesses" nil)) | |
454 | :group 'eshell-proc) | |
455 | ||
456 | (defun eshell-round-robin-kill (&optional query) | |
457 | "Kill current process by trying various signals in sequence. | |
458 | See the variable `eshell-kill-processes-on-exit'." | |
459 | (let ((sigs eshell-kill-process-signals)) | |
460 | (while sigs | |
461 | (eshell-process-interact | |
462 | (function | |
463 | (lambda (proc) | |
464 | (signal-process (process-id proc) (car sigs)))) t query) | |
465 | (setq query nil) | |
466 | (if (not eshell-process-list) | |
467 | (setq sigs nil) | |
468 | (sleep-for eshell-kill-process-wait-time) | |
469 | (setq sigs (cdr sigs)))))) | |
470 | ||
471 | (defun eshell-query-kill-processes () | |
472 | "Kill processes belonging to the current Eshell buffer, possibly w/ query." | |
473 | (when (and eshell-kill-processes-on-exit | |
474 | eshell-process-list) | |
475 | (save-window-excursion | |
476 | (list-processes) | |
477 | (if (or (not (eq eshell-kill-processes-on-exit 'ask)) | |
478 | (y-or-n-p (format "Kill processes owned by `%s'? " | |
479 | (buffer-name)))) | |
480 | (eshell-round-robin-kill | |
481 | (if (eq eshell-kill-processes-on-exit 'every) | |
482 | "Kill Eshell child process `%s'? "))) | |
483 | (let ((buf (get-buffer "*Process List*"))) | |
484 | (if (and buf (buffer-live-p buf)) | |
485 | (kill-buffer buf))) | |
486 | (message nil)))) | |
487 | ||
488 | (custom-add-option 'eshell-exit-hook 'eshell-query-kill-processes) | |
489 | ||
490 | (defun eshell-interrupt-process () | |
491 | "Interrupt a process." | |
492 | (interactive) | |
493 | (unless (eshell-process-interact 'interrupt-process) | |
494 | (run-hook-with-args 'eshell-kill-hook nil "interrupt"))) | |
495 | ||
496 | (defun eshell-kill-process () | |
497 | "Kill a process." | |
498 | (interactive) | |
499 | (unless (eshell-process-interact 'kill-process) | |
500 | (run-hook-with-args 'eshell-kill-hook nil "killed"))) | |
501 | ||
502 | (defun eshell-quit-process () | |
503 | "Send quit signal to process." | |
504 | (interactive) | |
505 | (unless (eshell-process-interact 'quit-process) | |
506 | (run-hook-with-args 'eshell-kill-hook nil "quit"))) | |
507 | ||
36e81327 JW |
508 | ;(defun eshell-stop-process () |
509 | ; "Send STOP signal to process." | |
510 | ; (interactive) | |
511 | ; (unless (eshell-process-interact 'stop-process) | |
512 | ; (run-hook-with-args 'eshell-kill-hook nil "stopped"))) | |
513 | ||
514 | ;(defun eshell-continue-process () | |
515 | ; "Send CONTINUE signal to process." | |
516 | ; (interactive) | |
517 | ; (unless (eshell-process-interact 'continue-process) | |
518 | ; ;; jww (1999-09-17): this signal is not dealt with yet. For | |
519 | ; ;; example, `eshell-reset' will be called, and so will | |
520 | ; ;; `eshell-resume-eval'. | |
521 | ; (run-hook-with-args 'eshell-kill-hook nil "continue"))) | |
affbf647 GM |
522 | |
523 | (defun eshell-send-eof-to-process () | |
524 | "Send EOF to process." | |
525 | (interactive) | |
526 | (eshell-send-input nil nil t) | |
527 | (eshell-process-interact 'process-send-eof)) | |
528 | ||
affbf647 | 529 | ;;; esh-proc.el ends here |