Files
impala/testdata/bin/kill-java-service.sh
Dan Hecht ffa7829b70 IMPALA-3918: Remove Cloudera copyrights and add ASF license header
For files that have a Cloudera copyright (and no other copyright
notice), make changes to follow the ASF source file header policy here:

http://www.apache.org/legal/src-headers.html#headers

Specifically:
1) Remove the Cloudera copyright.
2) Modify NOTICE.txt according to
   http://www.apache.org/legal/src-headers.html#notice
   to follow that format and add a line for Cloudera.
3) Replace or add the existing ASF license text with the one given
   on the website.

Much of this change was automatically generated via:

git grep -li 'Copyright.*Cloudera' > modified_files.txt
cat modified_files.txt | xargs perl -n -i -e 'print unless m#Copyright.*Cloudera#i;'
cat modified_files_txt | xargs fix_apache_license.py [1]

Some manual fixups were performed following those steps, especially when
license text was completely missing from the file.

[1] https://gist.github.com/anonymous/ff71292094362fc5c594 with minor
    modification to ORIG_LICENSE to match Impala's license text.

Change-Id: I2e0bd8420945b953e1b806041bea4d72a3943d86
Reviewed-on: http://gerrit.cloudera.org:8080/3779
Reviewed-by: Dan Hecht <dhecht@cloudera.com>
Tested-by: Internal Jenkins
2016-08-09 08:19:41 +00:00

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#!/bin/bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
set -euo pipefail
trap 'echo Error in $0 at line $LINENO: $(cd "'$PWD'" && awk "NR == $LINENO" $0)' ERR
CLASSES=()
EXTRA_SHUTDOWN_TIME_SECS=1
while getopts :c:s: OPTION; do
case $OPTION in
c) CLASSES+=($OPTARG);;
s) EXTRA_SHUTDOWN_TIME_SECS=$OPTARG;;
*) echo "Usage: $0 -c <java class name> [-c ...] " \
"[-s <wait time after stopping all processes>]"
exit 1;;
esac
done
if [[ ${#CLASSES[@]} -eq 0 ]]; then
echo At least one class must be given >&2
exit 1
fi
function pid_is_running {
kill -0 $1 &>/dev/null
}
# Waits for 3 seconds for a pid to stop. Returns success if the pid is stopped otherwise
# returns failure.
function wait_for_pid_to_stop {
for I in {1..30}; do
if ! pid_is_running $1; then
return
fi
sleep 0.1
done
return 1
}
NEEDS_EXTRA_WAIT=false
for CLASS in ${CLASSES[@]}; do
PID=$(jps -m | (grep $CLASS || true) | awk '{print $1}')
if [[ -z $PID ]]; then
continue
fi
kill $PID || true # Don't error if the process somehow died on its own.
NEEDS_EXTRA_WAIT=true
if wait_for_pid_to_stop $PID; then
continue
fi
kill -9 $PID || true
if ! wait_for_pid_to_stop $PID; then
echo Unable to stop process $PID running java class $CLASS >&2
exit 1
fi
done
if $NEEDS_EXTRA_WAIT; then
sleep $EXTRA_SHUTDOWN_TIME_SECS
fi