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(display-time): make it work under ms-dos by setting the

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`dos-display-time' variable instead of invoking `wakeup' as
asynchronous process (which doesn't work under ms-dos).
This commit is contained in:
Karl Heuer 1995-12-19 21:02:04 +00:00
parent 8ee2fef4e0
commit 2eb271bec4
1 changed files with 19 additions and 12 deletions
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31
lisp/time.el
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@ -62,8 +62,9 @@ If `display-time-day-and-date' is non-nil, the current day and date
are displayed as well.
After each update, `display-time-hook' is run with `run-hooks'."
(interactive)
(let ((live (and display-time-process
(eq (process-status display-time-process) 'run))))
(let ((live (or (and (eq system-type 'ms-dos) dos-display-time)
(and display-time-process
(eq (process-status display-time-process) 'run)))))
(if (not live)
(progn
(if display-time-process
@ -73,16 +74,22 @@ After each update, `display-time-hook' is run with `run-hooks'."
(setq global-mode-string
(append global-mode-string '(display-time-string))))
(setq display-time-string "")
;; Using a pty is wasteful, and the separate session causes
;; annoyance sometimes (some systems kill idle sessions).
(let ((process-connection-type nil))
(setq display-time-process
(start-process "display-time" nil
(expand-file-name "wakeup" exec-directory)
(int-to-string display-time-interval))))
(process-kill-without-query display-time-process)
(set-process-sentinel display-time-process 'display-time-sentinel)
(set-process-filter display-time-process 'display-time-filter)))))
(if (eq system-type 'ms-dos)
(setq dos-display-time t)
;; Using a pty is wasteful, and the separate session causes
;; annoyance sometimes (some systems kill idle sessions).
(progn
(let ((process-connection-type nil))
(setq display-time-process
(start-process "display-time" nil
(expand-file-name
"wakeup" exec-directory)
(int-to-string display-time-interval))))
(process-kill-without-query display-time-process)
(set-process-sentinel display-time-process
'display-time-sentinel)
(set-process-filter display-time-process
'display-time-filter)))))))
(defun display-time-sentinel (proc reason)
(or (eq (process-status proc) 'run)