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#!/bin/bash
# Start a systemtap server
#
# Copyright (C) 2008 Red Hat Inc.
#
# This file is part of systemtap, and is free software. You can
# redistribute it and/or modify it under the terms of the GNU General
# Public License (GPL); either version 2, or (at your option) any
# later version.
# This script attempts to stop a systemtap server with the
# given pid.
# Get the process id.
pid=$1
if test "X$pid" = "X"; then
echo "Usage: $0 PROCESS_ID" >&2
exit 1
fi
# Verify that it is a systemtap server
(ps -e | grep stap-serverd | grep -q $pid)
if test $? != 0; then
echo "$pid is not a systemtap server" >&2
exit 1
fi
# Try to kill the server
i=0
while kill -s SIGTERM $pid > /dev/null 2>&1; do
sleep 0.5
# If we've tried and failed to kill the server for around 10
# seconds (20 * 0.5 seconds), quit.
i=$((i + 1))
if test $i -ge 20; then
echo "$pid not shutting down" >&2
exit 1
break
fi
done
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