1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#!/bin/bash
source tests/common.bash
MQUEUE_MNTPOINT=/tmp/$$
TARGET=$tcasedir/mq_fork
if ! [ -x $TARGET ]; then
echo "target executable ( $TARGET ) is not found" >> $report
exit 1
fi
if grep -q mqueue /proc/mounts; then
:
elif ! [ $(id -u) = 0 ]; then
echo "root privileged is needed to run $(basename $0 .sh), skipping" >> $report
exit 77
else
mkdir -p ${MQUEUE_MNTPOINT}
if ! mount -t mqueue none ${MQUEUE_MNTPOINT}; then
echo "failed to mount mqueue file system, skipping"
exit 77
fi
fi
umount_mqueue()
{
if [ -d ${MQUEUE_MNTPOINT} ]; then
umount ${MQUEUE_MNTPOINT}
rmdir ${MQUEUE_MNTPOINT}
fi
}
mqname=/lsof-$name-$$
{ $TARGET $mqname & } | {
read parent child fd
if [ -z "$parent" ] || [ -z "$child" ] || [ -z "$fd" ]; then
echo "unexpected output form target ( $TARGET )" >> $report
umount_mqueue
exit 1
fi
{
echo mqname: $mqname
echo parent: $parent
echo child: $child
echo fd: $fd
echo cmdline: "$lsof +E -p "$parent""
echo
echo PARENT
echo
$lsof +E -p "$parent"
echo
echo CHILD
echo
$lsof +E -p "$child"
} >> $report
{
{
echo From the parent side
# mq_fork 18020 yamato 3u PSXMQ 0,18 80 622461 /xxx 18021,mq_fork,3u
echo expected pattern: "mq_fork *$parent .* ${fd}u *PSXMQ .* $mqname $child,mq_fork,${fd}u"
$lsof +E -p "$parent" |
grep -q "mq_fork *${parent} .* ${fd}u *PSXMQ .* ${mqname} ${child},mq_fork,${fd}u"
} && {
echo From the parent side
# mq_fork 18021 yamato 3u PSXMQ 0,18 80 622461 /xxx 18020,mq_fork,3u
echo expected pattern: "mq_fork *$child .* ${fd}u *PSXMQ .* $mqname $parent,mq_fork,${fd}u"
$lsof +E -p "$parent" |
grep -q "mq_fork *${child} .* ${fd}u *PSXMQ .* ${mqname} ${parent},mq_fork,${fd}u"
} && {
echo From the child side
# mq_fork 18021 yamato 3u PSXMQ 0,18 80 622461 /xxx 18020,mq_fork,3u
echo expected pattern: "mq_fork *$child .* ${fd}u *PSXMQ .* $mqname $parent,mq_fork,${fd}u"
$lsof +E -p "$child" |
grep -q "mq_fork *${child} .* ${fd}u *PSXMQ .* ${mqname} ${parent},mq_fork,${fd}u"
} && {
echo From the child side
# mq_fork 18020 yamato 3u PSXMQ 0,18 80 622461 /xxx 18021,mq_fork,3u
echo expected pattern: "mq_fork *$parent .* ${fd}u *PSXMQ .* $mqname $child,mq_fork,${fd}u"
$lsof +E -p "$child" |
grep -q "mq_fork *${parent} .* ${fd}u *PSXMQ .* ${mqname} ${child},mq_fork,${fd}u"
} && {
kill "$child"
umount_mqueue
exit 0
}
} >> $report
kill "$child"
umount_mqueue
exit 1
}
|
