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-rw-r--r--lisp/eshell/esh-proc.el74
1 files changed, 48 insertions, 26 deletions
diff --git a/lisp/eshell/esh-proc.el b/lisp/eshell/esh-proc.el
index c4103fbafbb..70426ccaf2a 100644
--- a/lisp/eshell/esh-proc.el
+++ b/lisp/eshell/esh-proc.el
@@ -101,15 +101,16 @@ information, for example."
(defvar eshell-process-list nil
"A list of the current status of subprocesses.")
-(defvar eshell-proc-mode-map
- (let ((map (make-sparse-keymap)))
- (define-key map (kbd "C-c M-i") #'eshell-insert-process)
- (define-key map (kbd "C-c C-c") #'eshell-interrupt-process)
- (define-key map (kbd "C-c C-k") #'eshell-kill-process)
- (define-key map (kbd "C-c C-d") #'eshell-send-eof-to-process)
- (define-key map (kbd "C-c C-s") #'list-processes)
- (define-key map (kbd "C-c C-\\") #'eshell-quit-process)
- map))
+(declare-function eshell-send-eof-to-process "esh-mode")
+(declare-function eshell-tail-process "esh-cmd")
+
+(defvar-keymap eshell-proc-mode-map
+ "C-c M-i" #'eshell-insert-process
+ "C-c C-c" #'eshell-interrupt-process
+ "C-c C-k" #'eshell-kill-process
+ "C-c C-d" #'eshell-send-eof-to-process
+ "C-c C-s" #'list-processes
+ "C-c C-\\" #'eshell-quit-process)
;;; Functions:
@@ -119,7 +120,9 @@ Runs `eshell-reset-after-proc' and `eshell-kill-hook', passing arguments
PROC and STATUS to functions on the latter."
;; Was there till 24.1, but it is not optional.
(remove-hook 'eshell-kill-hook #'eshell-reset-after-proc)
- (eshell-reset-after-proc status)
+ ;; Only reset the prompt if this process is running interactively.
+ (when (eq proc (eshell-tail-process))
+ (eshell-reset-after-proc status))
(run-hook-with-args 'eshell-kill-hook proc status))
(define-minor-mode eshell-proc-mode
@@ -386,8 +389,27 @@ output."
(let ((data (nth 3 entry)))
(setcar (nthcdr 3 entry) nil)
(setcar (nthcdr 4 entry) t)
- (eshell-output-object data nil (cadr entry))
- (setcar (nthcdr 4 entry) nil)))))))))
+ (unwind-protect
+ (condition-case nil
+ (eshell-output-object data nil (cadr entry))
+ ;; FIXME: We want to send SIGPIPE to the process
+ ;; here. However, remote processes don't
+ ;; currently support that, and not all systems
+ ;; have SIGPIPE in the first place (e.g. MS
+ ;; Windows). In these cases, just delete the
+ ;; process; this is reasonably close to the
+ ;; right behavior, since the default action for
+ ;; SIGPIPE is to terminate the process. For use
+ ;; cases where SIGPIPE is truly needed, using an
+ ;; external pipe operator (`*|') may work
+ ;; instead (e.g. when working with remote
+ ;; processes).
+ (eshell-pipe-broken
+ (if (or (process-get proc 'remote-pid)
+ (eq system-type 'windows-nt))
+ (delete-process proc)
+ (signal-process proc 'SIGPIPE))))
+ (setcar (nthcdr 4 entry) nil))))))))))
(defun eshell-sentinel (proc string)
"Generic sentinel for command processes. Reports only signals.
@@ -395,7 +417,7 @@ PROC is the process that's exiting. STRING is the exit message."
(when (buffer-live-p (process-buffer proc))
(with-current-buffer (process-buffer proc)
(unwind-protect
- (let* ((entry (assq proc eshell-process-list)))
+ (let ((entry (assq proc eshell-process-list)))
; (if (not entry)
; (error "Sentinel called for unowned process `%s'"
; (process-name proc))
@@ -403,8 +425,13 @@ PROC is the process that's exiting. STRING is the exit message."
(unwind-protect
(progn
(unless (string= string "run")
- (unless (string-match "^\\(finished\\|exited\\)" string)
- (eshell-insertion-filter proc string))
+ ;; Write the exit message if the status is
+ ;; abnormal and the process is already writing
+ ;; to the terminal.
+ (when (and (eq proc (eshell-tail-process))
+ (not (string-match "^\\(finished\\|exited\\)"
+ string)))
+ (funcall (process-filter proc) proc string))
(let ((handles (nth 1 entry))
(str (prog1 (nth 3 entry)
(setf (nth 3 entry) nil)))
@@ -416,8 +443,12 @@ PROC is the process that's exiting. STRING is the exit message."
(lambda ()
(if (nth 4 entry)
(run-at-time 0 nil finish-io)
- (when str (eshell-output-object str nil handles))
- (eshell-close-handles status 'nil handles)))))
+ (when str
+ (ignore-error 'eshell-pipe-broken
+ (eshell-output-object
+ str nil handles)))
+ (eshell-close-handles
+ status 'nil handles)))))
(funcall finish-io)))))
(eshell-remove-process-entry entry))))
(eshell-kill-process-function proc string)))))
@@ -544,14 +575,5 @@ See the variable `eshell-kill-processes-on-exit'."
; ;; `eshell-resume-eval'.
; (eshell-kill-process-function nil "continue")))
-(defun eshell-send-eof-to-process ()
- "Send EOF to process."
- (interactive)
- (require 'esh-mode)
- (declare-function eshell-send-input "esh-mode"
- (&optional use-region queue-p no-newline))
- (eshell-send-input nil nil t)
- (eshell-process-interact 'process-send-eof))
-
(provide 'esh-proc)
;;; esh-proc.el ends here