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#!/bin/sh
# Test the --pid option of tail.
# Copyright (C) 2003, 2006-2009 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if test "$VERBOSE" = yes; then
set -x
tail --version
fi
. $srcdir/test-lib.sh
require_proc_pid_status_
touch here || framework_failure
fail=0
# Use tail itself to create a background process.
tail -f here &
bg_pid=$!
tail -s0.1 -f here --pid=$bg_pid &
pid=$!
sleep 0.5
state=$(get_process_status_ $pid)
if test -n "$state"; then
case $state in
S*) ;;
*) echo "$0: process dead? (state=$state)" 1>&2; fail=1 ;;
esac
kill $pid
fi
kill $bg_pid
sleep 0.5
state=$(get_process_status_ $pid)
if test -n "$state"; then
case $state in
S*) echo $0: process still active 1>&2; fail=1 ;;
*) ;;
esac
kill $pid
fi
Exit $fail
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