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@@ -1,8 +1,8 @@
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Index: sysstat-12.6.0/sa1.in
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Index: sysstat-12.6.2/sa1.in
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===================================================================
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--- sysstat-12.6.0.orig/sa1.in
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+++ sysstat-12.6.0/sa1.in
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@@ -31,8 +31,14 @@ then
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--- sysstat-12.6.2.orig/sa1.in
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+++ sysstat-12.6.2/sa1.in
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@@ -31,8 +31,16 @@ then
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LONG_NAME=y
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fi
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@@ -11,13 +11,15 @@ Index: sysstat-12.6.0/sa1.in
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cd ${ENDIR}
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+LOCKFILE=/var/run/sysstat/sadc.LOCK
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+mkdir -p /var/run/sysstat
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+lockfile -r2 -30 "$LOCKFILE" 2>/dev/null
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+touch "$LOCKFILE"
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+exec 4<>"$LOCKFILE"
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+flock -w 60 4
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+trap "/bin/rm -f $LOCKFILE" EXIT
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+
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[ "$1" = "--boot" ] && shift && BOOT=y || BOOT=n
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[ "$1" = "--sleep" ] && shift && SLEEP=y || SLEEP=n
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@@ -51,13 +57,13 @@ fi
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@@ -51,13 +59,13 @@ fi
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if [ "${SLEEP}" = "y" ]
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then
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@@ -34,18 +36,20 @@ Index: sysstat-12.6.0/sa1.in
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- exec ${ENDIR}/sadc -F -L ${SADC_OPTIONS} $* ${SA_DIR}
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+ ${ENDIR}/sadc -F -L ${SADC_OPTIONS} $* ${SA_DIR}
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fi
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Index: sysstat-12.6.0/sa2.in
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Index: sysstat-12.6.2/sa2.in
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===================================================================
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--- sysstat-12.6.0.orig/sa2.in
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+++ sysstat-12.6.0/sa2.in
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@@ -59,6 +59,17 @@ fi
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--- sysstat-12.6.2.orig/sa2.in
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+++ sysstat-12.6.2/sa2.in
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@@ -59,6 +59,19 @@ fi
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[ -f "${DFILE}" ] || exit 0
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cd ${ENDIR}
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+
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+LOCKFILE=/var/run/sysstat/sadc.LOCK
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+mkdir -p /var/run/sysstat
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+if ! lockfile -r6 -600 $LOCKFILE 2>/dev/null; then
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+touch "$LOCKFILE"
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+exec 4<>"$LOCKFILE"
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+if ! flock -w 3600 4; then
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+ if test `find $LOCKFILE -mmin +180 2>/dev/null`; then
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+ rm -f $LOCKFILE
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+ logger -p cron.alert "$0: detected an old lockfile \"$LOCKFILE\"."
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