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fixed issue #20: created slam_tomb() that take cares about killing and checking pids

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Anathema 2011-08-16 02:43:15 +02:00
parent 21be9e204e
commit afd785be62
1 changed files with 37 additions and 41 deletions
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32
src/tomb
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@ -757,6 +757,18 @@ exec_safe_post_hooks() {
fi
}
slam_tomb() {
# $1 = tomb mount point
local pidk p
pidk=`lsof -t "$1"`
if [[ ! -z "$pidk" ]]; then
for p in "$pidk"; do
func "killing PID $p..."
kill -9 $p
done
fi
}
umount_tomb() {
local tombs how_many_tombs
local pathmap mapper tombname tombmount loopdev
@ -798,26 +810,20 @@ umount_tomb() {
pathmap=`dirname "$1"`
if [ "${pathmap}" = "/dev/mapper" ]; then
mapper="$1" # argument is the mapper (or none which autofills mapper)
tombname="`print $mapper | cut -d. -f2`"
tombmount=`mount -l | \
awk -vtomb="[$tombname]" '/^\/dev\/mapper\/tomb/ { if($7==tomb) print $3 } '`
elif [ "$pathmap" = "." ]; then
tombname="$1" # argument is the name
mapper=`mount -l | \
awk -vtomb="[$tombname]" '/^\/dev\/mapper\/tomb/ { if($7==tomb) print $1 } '`
tombmount=`mount -l | \
awk -vtomb="[$tombname]" '/^\/dev\/mapper\/tomb/ { if($7==tomb) print $3 } '`
else
tombmount="$1" # argument should be the mount
mapper=`mount | awk -vmnt="$tombmount" '/^\/dev\/mapper\/tomb/ { if($3==mnt) print $1 }'`
tombname="`print $mapper | cut -d. -f2`"
fi
# avoid block when the same tomb is mounted, take only the first
@ -837,12 +843,7 @@ umount_tomb() {
if [ $SLAM ]; then
notice "Slamming tomb $tombname mounted on $tombmount"
act "Kill all processes busy inside the tomb"
pidk=`lsof -t "$tombmount"`
for p in "$pidk"; do
pname=`pidof $p`
func "killing PID $p of $pname..."
kill -9 $p
done
slam_tomb "$tombmount"
else
notice "Closing tomb $tombname mounted on $tombmount"
fi
@ -857,12 +858,7 @@ umount_tomb() {
if ! [ $? = 0 ]; then
if [ $SLAM ]; then
notice "Slamming tomb: killing all processes using this hook"
pidk=`lsof -t $b`
for p in "$pidk"; do
pname=`pidof $p`
notice "Killing PID $p of $pname..."
kill -9 $p
done
slam_tomb "$b"
umount $b
else
error "Tomb hook is busy, cannot close tomb."