-(if (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 "nnheader-run-at-time" 'ignore 5)))
- (sleep-for 0.1) ;; Accept the timeout interrupt.
- (prog1
- (> (itimer-value itimer) 0)
- (delete-itimer itimer))))
- (error nil))
- (defun nnheader-xmas-run-at-time (time repeat function &rest args)
- "Emulating function run as `run-at-time'.
-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 "nnheader-run-at-time"
- function (if time (max time 1e-9) 1e-9)
- repeat nil t args))
- (defun nnheader-xmas-run-at-time (time repeat function &rest args)
- "Emulating function run as `run-at-time' in the right way.
-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 "nnheader-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 'nnheader-run-at-time 'nnheader-xmas-run-at-time)