mariadb/support-files/mysql.server.sh
2000-09-20 04:54:10 +03:00

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#!/bin/sh
# Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
# This file is public domain and comes with NO WARRANTY of any kind
# Mysql daemon start/stop script.
# Usually this is put in /etc/init.d (at least on machines SYSV R4
# based systems) and linked to /etc/rc3.d/S99mysql and /etc/rc0.d/S01mysql.
# When this is done the mysql server will be started when the machine is started
# and shut down when the systems goes down.
# Comments to support chkconfig on RedHat Linux
# chkconfig: 2345 90 90
# description: A very fast and reliable SQL database engine.
# The following variables are only set for letting mysql.server find things
# if you want to affect other MySQL variables, you should make your changes
# in the /etc/my.cnf or other configuration files
PATH=/sbin:/usr/sbin:/bin:/usr/bin
basedir=@prefix@
bindir=@bindir@
sbindir=@sbindir@
datadir=@localstatedir@
pid_file=@localstatedir@/mysqld.pid
export PATH
mode=$1
GetCNF () {
VARIABLES="basedir bindir sbindir datadir pid-file"
CONFIG_FILES="/etc/my.cnf $basedir/my.cnf $HOME/.my.cnf"
for c in $CONFIG_FILES
do
if [ -f $c ]
then
#echo "Processing $c..."
for v in $VARIABLES
do
# This method assumes last of duplicate $variable entries will be the
# value set ([mysqld])
# This could easily be rewritten to gather [xxxxx]-specific entries,
# but for now it looks like only the mysqld ones are needed for
# server startup scripts
thevar=""
eval `sed -n -e '/^$/d' -e '/^#/d' -e 's,[ ],,g' -e '/=/p' $c |\
awk -F= -v v=$v '{if ($1 == v) printf ("thevar=\"%s\"\n", $2)}'`
# it would be easier if the my.cnf and variable values were
# all matched, but since they aren't we need to map them here.
case $v in
pid-file) v=pid_file ;;
log) v=log_file ;;
esac
# As long as $thevar isn't blank, use it to set or override current
# value
[ "$thevar" != "" ] && eval $v=$thevar
done
#else
# echo "No $c config file."
fi
done
}
# run function to get config values
GetCNF
# Safeguard (relative paths, core dumps..)
cd $basedir
case "$mode" in
'start')
# Start daemon
if test -x $bindir/safe_mysqld
then
# Give extra arguments to mysqld with the my.cnf file. This script may
# be overwritten at next upgrade.
$bindir/safe_mysqld \
--datadir=$datadir --pid-file=$pid_file &
else
echo "Can't execute $bindir/safe_mysqld"
fi
;;
'stop')
# Stop daemon. We use a signal here to avoid having to know the
# root password.
if test -f "$pid_file"
then
mysqld_pid=`cat $pid_file`
echo "Killing mysqld with pid $mysqld_pid"
kill $mysqld_pid
# mysqld should remove the pid_file when it exits, so wait for it.
sleep 1
while [ -s $pid_file -a "$flags" != aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ]
do [ -z "$flags" ] && echo "Wait for mysqld to exit\c" || echo ".\c"
flags=a$flags
sleep 1
done
if [ -s $pid_file ]
then echo " gave up waiting!"
elif [ -n "$flags" ]
then echo " done"
fi
else
echo "No mysqld pid file found. Looked for $pid_file."
fi
;;
*)
# usage
echo "usage: $0 start|stop"
exit 1
;;
esac