Commit f542908b authored by Koral's avatar Koral
Browse files

Merge branch 'feature/prevent-duplicate-timers' into 'master'

Feature/prevent duplicate timers

See merge request !2
parents 1953d913 537d050e
......@@ -35,16 +35,16 @@
;;; Code:
(defcustom gcmh-low-cons-threshold 800000
"Low cons gc threshold.
This is the gc threshold used while while idling. Default value
is the same of `gc-cons-threshold' default"
"Low cons GC threshold.
This is the GC threshold used while idling. Default value is the
same of `gc-cons-threshold' default."
:group 'gcmh
:type 'number)
(defcustom gcmh-high-cons-threshold #x40000000
"High cons gc threshold.
"High cons GC threshold.
This should be set to a value that makes GC unlikely but does not
make the OS paging."
cause OS paging."
:group 'gcmh
:type 'number)
......@@ -59,7 +59,7 @@ make the OS paging."
:type 'boolean)
(defvar gcmh-idle-timer nil
"Idle timer for trigering GC.")
"Idle timer for triggering GC.")
(defmacro gcmh-time (&rest body)
"Measure and return the time it takes to evaluate BODY."
......@@ -68,7 +68,7 @@ make the OS paging."
(float-time (time-since time))))
(defun gcmh-set-high-threshold ()
"Set the high gc thereshold.
"Set the high GC threshold.
This is to be used with the `pre-command-hook'."
(setq gc-cons-threshold gcmh-high-cons-threshold))
......@@ -86,6 +86,10 @@ This is to be used with the `pre-command-hook'."
"Minor mode to tweak Garbage Collection strategy."
:lighter " GCMH"
:global t
;; Cancel any pending timer (prevents duplicate idle timers).
(when (timerp gcmh-idle-timer)
(cancel-timer gcmh-idle-timer))
(if gcmh-mode
(setq gc-cons-threshold gcmh-high-cons-threshold
......@@ -94,7 +98,6 @@ This is to be used with the `pre-command-hook'."
;; Release severe GC strategy before the user restart to working
(add-hook 'pre-command-hook #'gcmh-set-high-threshold))
(cancel-timer gcmh-idle-timer)
(setq gc-cons-threshold gcmh-low-cons-threshold
gcmh-idle-timer nil)
(remove-hook 'pre-command-hook #'gcmh-set-high-threshold)))
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