blob: 6976dee2a1eae3813ff48fa3ca89b4579f527e9b (
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
|
#!/bin/sh
#
# Ensure that strace can detach from sleeping processes.
#
# Copyright (c) 2013-2015 Dmitry V. Levin <ldv@strace.io>
# Copyright (c) 2014-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
run_prog_skip_if_failed \
kill -0 $$
check_prog sleep
trap - TERM
sleep $TIMEOUT_DURATION &
kill -TERM $!
wait $!
expected_rc=$?
set -e
../set_ptracer_any sleep $((2*TIMEOUT_DURATION)) > "$LOG" &
while ! [ -s "$LOG" ]; do
kill -0 $! 2> /dev/null ||
fail_ 'set_ptracer_any sleep failed'
$SLEEP_A_BIT
done
tracee_pid=$!
cleanup()
{
set +e
kill $tracee_pid
wait $tracee_pid 2> /dev/null
return 0
}
$STRACE -p $tracee_pid 2> "$LOG" &
while ! grep -F "Process $tracee_pid attached" "$LOG" > /dev/null; do
kill -0 $! 2> /dev/null || {
cleanup
dump_log_and_fail_with "$STRACE -p failed to attach"
}
$SLEEP_A_BIT
done
kill -TERM $!
wait $! && rc=0 || rc=$?
grep -F "Process $tracee_pid detached" "$LOG" > /dev/null || {
cleanup
dump_log_and_fail_with "$STRACE -p failed to detach"
}
[ "$rc" = "$expected_rc" ] || {
cleanup
dump_log_and_fail_with "$STRACE -p failed to terminate itself"
}
if [ -f /proc/self/status ]; then
$SLEEP_A_BIT
test -d /proc/$tracee_pid || {
cleanup
dump_log_and_fail_with 'tracee died after detach'
}
grep_pid_status "$tracee_pid" '^State:.*S (sleeping)' > /dev/null || {
grep_pid_status "$tracee_pid" '^State:'
cleanup
dump_log_and_fail_with 'tracee is not sleeping after detach'
}
fi
cleanup
exit 0
|
