This file is indexed.

/usr/sbin/groonga-httpd-restart is in groonga-httpd 6.1.5-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
#!/bin/sh
# -*- indent-tabs-mode: nil; sh-indentation: 4 -*-
#
# Copyright(C) 2012-2013 Brazil
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

prefix=/usr

SERVICE_NAME=groonga-httpd
GROONGA_HTTPD=${SERVICE_NAME}
PID_FILE=/var/run/groonga/${GROONGA_HTTPD}.pid
TIMEOUT=3

# Source configuration.
if [ -f /etc/default/${SERVICE_NAME} ]; then
    . /etc/default/${SERVICE_NAME}
elif [ -f /etc/sysconfig/${SERVICE_NAME} ]; then
    . /etc/sysconfig/${SERVICE_NAME}
fi

OLD_PID_FILE=${PID_FILE}.oldbin

wait_until () {
    for n in $(seq ${TIMEOUT}); do
        if "$@"; then
            return 0
        fi
        sleep 1
    done
    return 1
}

wait_while () {
    for n in $(seq ${TIMEOUT}); do
        if ! "$@"; then
            return 0
        fi
        sleep 1
    done
    return 1
}

start_master () {
    local pid=$1
    kill -USR2 ${pid}
}

switch_worker () {
    local pid=$1
    kill -WINCH ${pid}
}

stop_master () {
    local pid=$1
    kill -QUIT ${pid}
}

if [ ! -f "${PID_FILE}" ]; then
    echo "PID file isn't found. groonga-httpd may not be running: <${PID_FILE}>"
    exit 1
fi

OLD_PID=$(cat ${PID_FILE})
start_master ${OLD_PID}

if ! wait_until [ -f ${OLD_PID_FILE} ]; then
    echo "Failed to create old PID file: <${PID_FILE}>"
    exit 1
fi

if ! wait_until [ -f ${PID_FILE} ]; then
    echo "Failed to start new groonga-httpd master."
    exit 1
fi

NEW_PID=$(cat ${PID_FILE})

OLD_WORKER_PROCESSES=$(pgrep -P ${OLD_PID} | grep -v ${NEW_PID})
switch_worker ${OLD_PID}
for pid in ${OLD_WORKER_PROCESSES}; do
    wait_while ps --pid=${pid} > /dev/null
done
OLD_WORKER_PROCESSES=$(pgrep -P ${OLD_PID} | grep -v ${NEW_PID})
if [ -n "${OLD_WORKER_PROCESSES}" ]; then
    echo "Failed to stop old groonga-httpd worker process."
    stop_master ${NEW_PID}
    echo "Rollback to old groonga-httpd master."
    exit 2
fi

stop_master ${OLD_PID}
exit $?