Dmitry V. Levin
0d7c3653c5
* tests/detach-running: Disable /proc based checks when /proc/self/status is not available. * tests/detach-sleeping: Likewise. * tests/detach-stopped: Likewise.
59 lines
1.1 KiB
Bash
Executable File
59 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that strace can detach from sleeping processes.
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. "${srcdir=.}/init.sh"
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check_prog sleep
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check_prog grep
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set -e
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rm -f $LOG
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./set_ptracer_any sleep $((2*$TIMEOUT_DURATION)) > $LOG &
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while ! [ -s $LOG ]; do
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kill -0 $! 2> /dev/null ||
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fail_ 'set_ptracer_any sleep failed'
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$SLEEP_A_BIT
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done
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tracee_pid=$!
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cleanup()
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{
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set +e
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kill $tracee_pid
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wait $tracee_pid 2> /dev/null
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}
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rm -f $LOG
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$STRACE -p $tracee_pid 2> $LOG &
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while ! grep -F "Process $tracee_pid attached" $LOG > /dev/null; do
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kill -0 $! 2> /dev/null ||
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{ cat $LOG; cleanup; fail_ 'strace -p does not work'; }
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$SLEEP_A_BIT
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done
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kill -INT $!
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wait $!
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grep -F "Process $tracee_pid detached" $LOG > /dev/null ||
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{ cat $LOG; cleanup; fail_ 'strace -p failed to detach'; }
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if [ -f /proc/self/status ]; then
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$SLEEP_A_BIT
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test -d /proc/$tracee_pid ||
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{ cat $LOG; cleanup; fail_ 'tracee died after detach'; }
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grep '^State:.*S (sleeping)' < /proc/$tracee_pid/status > /dev/null || {
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cat $LOG
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grep '^State:' < /proc/$tracee_pid/status
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cleanup
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fail_ 'tracee is not sleeping after detach'
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}
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fi
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cleanup
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exit 0
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