| #!/usr/bin/env 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. |
| |
| # print an error message to STDERR and quit |
| panic() { |
| echo "$@" 1>&2 |
| exit -1 |
| } |
| |
| # stop a process with specified pid, first by SIGTERM and then by SIGKILL |
| terminate() { |
| for pid in "$@"; do |
| started=$(date +%s) |
| kill $pid > /dev/null 2>&1 |
| printf "Waiting process $pid to finish" 1>&2 |
| while kill -0 $pid > /dev/null 2>&1; do |
| sleep 0.5 |
| printf "." 1>&2 |
| if [ $(( $(date +%s) - $started )) -ge $S2GRAPH_STOP_TIMEOUT ]; then |
| break |
| fi |
| done |
| printf "\n" 1>&2 |
| if kill -0 $pid > /dev/null 2>&1; then |
| echo "Force stopping $pid with a SIGKILL" 1>&2 |
| kill -9 $pid > /dev/null 2>&1 |
| fi |
| done |
| } |