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[elpa] externals/gcmh f542908 19/32: Merge branch 'feature/prevent-dupli

From: Andrea Corallo
Subject: [elpa] externals/gcmh f542908 19/32: Merge branch 'feature/prevent-duplicate-timers' into 'master'
Date: Mon, 16 Nov 2020 17:32:06 -0500 (EST)

branch: externals/gcmh
commit f542908b9ae4405d70fa70f42bd62618c5de4b95
Merge: 1953d91 537d050
Author: Koral <andrea_corallo@yahoo.it>
Commit: Koral <andrea_corallo@yahoo.it>

    Merge branch 'feature/prevent-duplicate-timers' into 'master'
    Feature/prevent duplicate timers
    See merge request koral/gcmh!2
 gcmh.el | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/gcmh.el b/gcmh.el
index d2eae63..bbccbc9 100644
--- a/gcmh.el
+++ b/gcmh.el
@@ -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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