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-rw-r--r--lisp/emacs-lisp/timer.el13
1 files changed, 8 insertions, 5 deletions
diff --git a/lisp/emacs-lisp/timer.el b/lisp/emacs-lisp/timer.el
index 4ab2ac8e0d4..336a1ff82d0 100644
--- a/lisp/emacs-lisp/timer.el
+++ b/lisp/emacs-lisp/timer.el
@@ -161,7 +161,7 @@ fire repeatedly that many seconds apart."
(aset timer 6 args)
timer)
-(defun timer-activate (timer)
+(defun timer-activate (timer &optional triggered-p)
"Put TIMER on the list of active timers."
(if (and (timerp timer)
(integerp (aref timer 1))
@@ -184,7 +184,7 @@ fire repeatedly that many seconds apart."
(if last
(setcdr last (cons timer timers))
(setq timer-list (cons timer timers)))
- (aset timer 0 nil)
+ (aset timer 0 triggered-p)
(aset timer 7 nil)
nil)
(error "Invalid or uninitialized timer")))
@@ -270,7 +270,7 @@ This function is called, by name, directly by the C code."
(setq timer-event-last timer)
(let ((inhibit-quit t))
(if (timerp timer)
- (progn
+ (let (retrigger)
;; Delete from queue.
(cancel-timer timer)
;; Re-schedule if requested.
@@ -287,13 +287,16 @@ This function is called, by name, directly by the C code."
(aref timer 4))))
(if (> repeats timer-max-repeats)
(timer-inc-time timer (* (aref timer 4) repeats)))))
- (timer-activate timer)))
+ (timer-activate timer t)
+ (setq retrigger t)))
;; Run handler.
;; We do this after rescheduling so that the handler function
;; can cancel its own timer successfully with cancel-timer.
(condition-case nil
(apply (aref timer 5) (aref timer 6))
- (error nil)))
+ (error nil))
+ (if retrigger
+ (aset timer 0 nil)))
(error "Bogus timer event"))))
;; This function is incompatible with the one in levents.el.