;; You should have received a copy of the GNU General Public License
;; along with XEmacs; see the file COPYING. If not, write to the Free
-;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-;; 02111-1307, USA.
+;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+;; MA 02110-1301, USA.
;;; Code:
;;;
(condition-case nil
+ (require 'timer-funcs)
+ (error nil))
+(condition-case nil
(require 'timer)
- (error
+ (error nil))
+(or
+ (or (featurep 'timer-funcs) (featurep 'timer))
+ (progn
(require 'itimer)
- (defun-maybe run-at-time (time repeat function &rest args)
- (start-itimer (make-temp-name "rat")
- `(lambda ()
- (,function ,@args))
- time repeat))
+ (if (and (= emacs-major-version 19) (<= emacs-minor-version 14))
+ (defun-maybe run-at-time (time repeat function &rest args)
+ (start-itimer (make-temp-name "rat")
+ `(lambda ()
+ (,function ,@args))
+ time repeat))
+ (defun-maybe run-at-time (time repeat function &rest args)
+ "Function emulating the function of the same name of Emacs.
+TIME should be nil meaning now, or a number of seconds from now.
+Return an itimer object which can be used in either `delete-itimer'
+or `cancel-timer'."
+ (apply #'start-itimer "run-at-time"
+ function (if time (max time 1e-9) 1e-9)
+ repeat nil t args)))
(defalias 'cancel-timer 'delete-itimer)
(defun with-timeout-handler (tag)
(throw tag 'timeout))
(broken-facility run-at-time-tick-tock
"`run-at-time' is not punctual."
- ;; It should be fixed when someone improves itimer in the future.
- ;; Note that it doesn't support XEmacsen of versions prior to 19.15
+ ;; Note that it doesn't support XEmacsen prior to the version 19.15
;; since `start-itimer' doesn't pass arguments to a timer function.
- (and (= emacs-major-version 19) (<= emacs-minor-version 14)))
+ (or (and (= emacs-major-version 19) (<= emacs-minor-version 14))
+ (condition-case nil
+ (progn
+ (unless (or itimer-process itimer-timer)
+ (itimer-driver-start))
+ ;; Check whether there is a bug to which the difference of
+ ;; the present time and the time when the itimer driver was
+ ;; woken up is subtracted from the initial itimer value.
+ (let* ((inhibit-quit t)
+ (ctime (current-time))
+ (itimer-timer-last-wakeup
+ (prog1
+ ctime
+ (setcar ctime (1- (car ctime)))))
+ (itimer-list nil)
+ (itimer (start-itimer "run-at-time" 'ignore 5)))
+ (sleep-for 0.1) ;; Accept the timeout interrupt.
+ (prog1
+ (> (itimer-value itimer) 0)
+ (delete-itimer itimer))))
+ (error nil))))
(when-broken run-at-time-tick-tock
- (defadvice run-at-time (around make-it-punctual
- (time repeat function &rest args)
- activate)
- "This function was redefined to be made punctual by APEL.
-Note that it allows neither a string nor a time in the Emacs style
-\(a list of integers) as the first argument TIME."
- (let ((itimers (list nil)))
- (setcar
- itimers
- (apply #'start-itimer "run-at-time"
- (lambda (itimers repeat function &rest args)
- (let ((itimer (car itimers)))
- (if repeat
- (progn
- (set-itimer-function
- itimer
- (lambda (itimer repeat function &rest args)
- (set-itimer-restart itimer repeat)
- (set-itimer-function itimer function)
- (set-itimer-function-arguments itimer args)
- (apply function args)))
- (set-itimer-function-arguments
- itimer
- (append (list itimer repeat function) args)))
- (set-itimer-function
- itimer
- (lambda (itimer function &rest args)
- (delete-itimer itimer)
- (apply function args)))
- (set-itimer-function-arguments
- itimer
- (append (list itimer function) args)))))
- 1e-9 (if time (max time 1e-9) 1e-9)
- nil t itimers repeat function args)))))
+ (defalias 'run-at-time
+ (lambda (time repeat function &rest args)
+ "Function emulating the function of the same name of Emacs.
+It works correctly for TIME even if there is a bug in the XEmacs core.
+TIME should be nil meaning now, or a number of seconds from now.
+Return an itimer object which can be used in either `delete-itimer'
+or `cancel-timer'."
+ (let ((itimers (list nil)))
+ (setcar
+ itimers
+ (apply #'start-itimer "fixed-run-at-time"
+ (lambda (itimers repeat function &rest args)
+ (let ((itimer (car itimers)))
+ (if repeat
+ (progn
+ (set-itimer-function
+ itimer
+ (lambda (itimer repeat function &rest args)
+ (set-itimer-restart itimer repeat)
+ (set-itimer-function itimer function)
+ (set-itimer-function-arguments itimer args)
+ (apply function args)))
+ (set-itimer-function-arguments
+ itimer
+ (append (list itimer repeat function) args)))
+ (set-itimer-function
+ itimer
+ (lambda (itimer function &rest args)
+ (delete-itimer itimer)
+ (apply function args)))
+ (set-itimer-function-arguments
+ itimer
+ (append (list itimer function) args)))))
+ 1e-9 (if time (max time 1e-9) 1e-9)
+ nil t itimers repeat function args))))))
;;; @ to avoid bug of XEmacs 19.14
projects / elisp / apel.git / blobdiff