blob: 64cc869d1ec2f264a902651bd53fb495b82dd438 (
plain)
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
#!/bin/sh
###########################################################################
# NOTE: this script returns 0 (success) even in case of failure. This is
# because this script is executed under mysql-test-run[.pl] and it's better to
# examine particular problem in log file, than just having said that the test
# case has failed.
###########################################################################
check_restart()
{
if [ ! -r "$pid_path" ]; then
user_msg='the process was killed'
return 1
fi
new_pid=`cat "$pid_path" 2>/dev/null`
if [ $? -eq 0 -a "$original_pid" = "$new_pid" ]; then
user_msg='the process was not restarted'
return 1
fi
user_msg='the process was restarted'
return 0
}
###########################################################################
if [ $# -ne 3 ]; then
echo "Usage: kill_n_check.sh <pid file path> killed|restarted <timeout>"
exit 0
fi
pid_path="$1"
expected_result="$2"
total_timeout="$3"
if [ "$expected_result" != 'killed' -a \
"$expected_result" != 'restarted' ]; then
echo "Error: invalid second argument ('killed' or 'restarted' expected)."
exit 0
fi
if [ -z "$pid_path" ]; then
echo "Error: invalid PID path ($pid_path)."
exit 0
fi
if [ $expected_result = 'killed' -a ! -r "$pid_path" ]; then
echo "Error: PID file ($pid_path) does not exist."
exit 0
fi
if [ -z "$total_timeout" ]; then
echo "Error: timeout is not specified."
exit 0
fi
###########################################################################
original_pid=`cat "$pid_path"`
echo "Killing the process..."
kill -9 $original_pid
###########################################################################
echo "Sleeping..."
if [ "$expected_result" = "restarted" ]; then
# Wait for the process to restart.
cur_attempt=1
while true; do
if check_restart; then
echo "Success: $user_msg."
exit 0
fi
[ $cur_attempt -ge $total_timeout ] && break
sleep 1
cur_attempt=`expr $cur_attempt + 1`
done
echo "Error: $user_msg."
exit 0
else # $expected_result == killed
# Here we have to sleep for some long time to ensure that the process will
# not be restarted.
sleep $total_timeout
new_pid=`cat "$pid_path" 2>/dev/null`
if [ "$new_pid" -a "$new_pid" -ne "$original_pid" ]; then
echo "Error: the process was restarted."
else
echo "Success: the process was killed."
fi
exit 0
fi
|
