From 1746898cefcb17f58b5cf27b4dad3d28236f1152 Mon Sep 17 00:00:00 2001
From: Lennart Weller <lhw@ring0.de>
Date: Mon, 5 Sep 2016 10:27:21 +0200
Subject: Imported Upstream version 1.3.0+dfsg

---
 plugins.d/loopsleepms.sh.inc | 108 +++++++++++++++++++++----------------------
 1 file changed, 54 insertions(+), 54 deletions(-)

(limited to 'plugins.d/loopsleepms.sh.inc')

diff --git a/plugins.d/loopsleepms.sh.inc b/plugins.d/loopsleepms.sh.inc
index 2e22de3d8..02ab694d2 100644
--- a/plugins.d/loopsleepms.sh.inc
+++ b/plugins.d/loopsleepms.sh.inc
@@ -1,4 +1,4 @@
-#!/bin/bash
+# no need for shebang - this file is included from other scripts
 
 # this function is used to sleep a fraction of a second
 # it calculates the difference between every time is called
@@ -7,9 +7,9 @@
 
 LOOPSLEEP_DATE="$(which date)"
 if [ -z "$LOOPSLEEP_DATE" ]
-	then
-	echo >&2 "$0: ERROR: Cannot find the command 'date' in the system path."
-	exit 1
+    then
+    echo >&2 "$0: ERROR: Cannot find the command 'date' in the system path."
+    exit 1
 fi
 
 LOOPSLEEPMS_LASTRUN=0
@@ -21,70 +21,70 @@ test "$($LOOPSLEEP_DATE +%N)" = "%N" && LOOPSLEEPMS_HIGHRES=0
 
 now_ms=
 current_time_ms() {
-	# if high resolution is not supported
-	# just sleep the time requested, in seconds
-	if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
-	then
-		now_ms="$($LOOPSLEEP_DATE +'%s')000"
-	else
-		now_ms="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
-	fi
+    # if high resolution is not supported
+    # just sleep the time requested, in seconds
+    if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
+    then
+        now_ms="$($LOOPSLEEP_DATE +'%s')000"
+    else
+        now_ms="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
+    fi
 }
 
 loopsleepms() {
-	local tellwork=0 t="$1" div s m now mstosleep
+    local tellwork=0 t="$1" div s m now mstosleep
 
-	if [ "$t" = "tellwork" ]
-	then
-		tellwork=1
-		shift
-		t="$1"
-	fi
-	div="${2-100}"
+    if [ "$t" = "tellwork" ]
+    then
+        tellwork=1
+        shift
+        t="$1"
+    fi
+    div="${2-100}"
 
-	# $t = the time in seconds to wait
+    # $t = the time in seconds to wait
 
-	# if high resolution is not supported
-	# just sleep the time requested, in seconds
-	if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
-	then
-		sleep $t
-		return
-	fi
+    # if high resolution is not supported
+    # just sleep the time requested, in seconds
+    if [ $LOOPSLEEPMS_HIGHRES -eq 0 ]
+    then
+        sleep $t
+        return
+    fi
 
-	# get the current time, in ms
-	# milliseconds since epoch (1-1-1970)
-	now="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
+    # get the current time, in ms
+    # milliseconds since epoch (1-1-1970)
+    now="$(( $( $LOOPSLEEP_DATE +'%s * 1000 + %-N / 1000000' ) ))"
 
-	# calculate required sleep in ms
-	t=$((t * 1000 * div / 100))
+    # calculate required sleep in ms
+    t=$((t * 1000 * div / 100))
 
-	# this is our first run
-	# just wait the requested time
-	test $LOOPSLEEPMS_LASTRUN -eq 0 && LOOPSLEEPMS_LASTRUN=$now
+    # this is our first run
+    # just wait the requested time
+    test $LOOPSLEEPMS_LASTRUN -eq 0 && LOOPSLEEPMS_LASTRUN=$now
 
-	# calculate ms since last run
-	LOOPSLEEPMS_LASTWORK=$((now - LOOPSLEEPMS_LASTRUN - LOOPSLEEPMS_LASTSLEEP))
-	# echo "# last loop's work took $LOOPSLEEPMS_LASTWORK ms"
+    # calculate ms since last run
+    LOOPSLEEPMS_LASTWORK=$((now - LOOPSLEEPMS_LASTRUN - LOOPSLEEPMS_LASTSLEEP))
+    # echo "# last loop's work took $LOOPSLEEPMS_LASTWORK ms"
 
-	# calculate ms to sleep
-	mstosleep=$(( t - LOOPSLEEPMS_LASTWORK ))
-	# echo "# mstosleep is $mstosleep ms"
+    # calculate ms to sleep
+    mstosleep=$(( t - LOOPSLEEPMS_LASTWORK ))
+    # echo "# mstosleep is $mstosleep ms"
 
-	# if we are too slow, sleep some time
-	test $mstosleep -lt 200 && mstosleep=200
+    # if we are too slow, sleep some time
+    test $mstosleep -lt 200 && mstosleep=200
 
-	s=$((mstosleep / 1000))
-	m=$((mstosleep - (s * 1000)))
+    s=$((mstosleep / 1000))
+    m=$((mstosleep - (s * 1000)))
 
-	test $tellwork -eq 1 && echo >&2 " >>> PERFORMANCE >>> WORK TOOK $LOOPSLEEPMS_LASTWORK ms ( $((LOOPSLEEPMS_LASTWORK * 100 / 1000)).$((LOOPSLEEPMS_LASTWORK % 10))% cpu ) >>> SLEEPING $mstosleep ms"
+    test $tellwork -eq 1 && echo >&2 " >>> PERFORMANCE >>> WORK TOOK $LOOPSLEEPMS_LASTWORK ms ( $((LOOPSLEEPMS_LASTWORK * 100 / 1000)).$((LOOPSLEEPMS_LASTWORK % 10))% cpu ) >>> SLEEPING $mstosleep ms"
 
-	# echo "# sleeping $s.$m"
-	# echo
-	sleep $s.$m
+    # echo "# sleeping $s.$m"
+    # echo
+    sleep $s.$m
 
-	# keep the values we need
-	# for our next run
-	LOOPSLEEPMS_LASTRUN=$now
-	LOOPSLEEPMS_LASTSLEEP=$mstosleep
+    # keep the values we need
+    # for our next run
+    LOOPSLEEPMS_LASTRUN=$now
+    LOOPSLEEPMS_LASTSLEEP=$mstosleep
 }
-- 
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