3 # Ensure that strace can detach from sleeping processes.
5 # Copyright (c) 2013-2015 Dmitry V. Levin <ldv@altlinux.org>
6 # Copyright (c) 2014-2017 The strace developers.
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions
12 # 1. Redistributions of source code must retain the above copyright
13 # notice, this list of conditions and the following disclaimer.
14 # 2. Redistributions in binary form must reproduce the above copyright
15 # notice, this list of conditions and the following disclaimer in the
16 # documentation and/or other materials provided with the distribution.
17 # 3. The name of the author may not be used to endorse or promote products
18 # derived from this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 . "${srcdir=.}/init.sh"
33 run_prog_skip_if_failed \
40 ../set_ptracer_any sleep $((2*$TIMEOUT_DURATION)) > "$LOG" &
42 while ! [ -s "$LOG" ]; do
43 kill -0 $! 2> /dev/null ||
44 fail_ 'set_ptracer_any sleep failed'
54 wait $tracee_pid 2> /dev/null
58 $STRACE -p $tracee_pid 2> "$LOG" &
60 while ! grep -F "Process $tracee_pid attached" "$LOG" > /dev/null; do
61 kill -0 $! 2> /dev/null || {
63 dump_log_and_fail_with "$STRACE -p failed to attach"
71 grep -F "Process $tracee_pid detached" "$LOG" > /dev/null || {
73 dump_log_and_fail_with "$STRACE -p failed to detach"
76 if [ -f /proc/self/status ]; then
78 test -d /proc/$tracee_pid || {
80 dump_log_and_fail_with 'tracee died after detach'
82 grep_pid_status "$tracee_pid" '^State:.*S (sleeping)' > /dev/null || {
83 grep_pid_status "$tracee_pid" '^State:'
85 dump_log_and_fail_with 'tracee is not sleeping after detach'