Add more portability to echo -n (code stolen from createlang)
Do not start postmaster if postgres is running
This commit is contained in:
Tatsuo Ishii
parent
bd62e062aa
commit
359652898b
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@ -8,21 +8,33 @@
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#
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#
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# IDENTIFICATION
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# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.5 1999/12/22 04:41:17 ishii Exp $
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# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.6 2000/01/09 12:06:52 ishii Exp $
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#
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#-------------------------------------------------------------------------
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CMDNAME=`basename $0`
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# Check for echo -n vs echo \c
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ECHO=echo
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if echo '\c' | grep -s c >/dev/null 2>&1
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then
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ECHO_N="echo -n"
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ECHO_C=""
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else
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ECHO_N="echo"
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ECHO_C='\c'
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fi
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#
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# Find out where we're located
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#
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if echo "$0" | grep '/' > /dev/null 2>&1
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if $ECHO "$0" | grep '/' > /dev/null 2>&1
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then
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# explicit dir name given
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PGPATH=`echo $0 | sed 's,/[^/]*$,,'` # (dirname command is not portable)
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PGPATH=`$ECHO $0 | sed 's,/[^/]*$,,'` # (dirname command is not portable)
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else
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# look for it in PATH ('which' command is not portable)
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for dir in `echo "$PATH" | sed 's/:/ /g'`
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for dir in `$ECHO "$PATH" | sed 's/:/ /g'`
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do
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# empty entry in path means current dir
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[ -z "$dir" ] && dir='.'
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@ -39,12 +51,12 @@ for prog in postmaster
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do
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if [ ! -x "$PGPATH/$prog" ]
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then
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echo "The program $prog needed by $CMDNAME could not be found. It was"
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echo "expected at:"
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echo " $PGPATH/$prog"
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echo "If this is not the correct directory, please start $CMDNAME"
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echo "with a full search path. Otherwise make sure that the program"
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echo "was installed successfully."
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$ECHO "The program $prog needed by $CMDNAME could not be found. It was"
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$ECHO "expected at:"
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$ECHO " $PGPATH/$prog"
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$ECHO "If this is not the correct directory, please start $CMDNAME"
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$ECHO "with a full search path. Otherwise make sure that the program"
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$ECHO "was installed successfully."
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exit 1
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fi
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done
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@ -79,7 +91,7 @@ do
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sig="-QUIT"
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;;
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*)
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echo "$CMDNAME: Wrong shutdown mode $sigopt"
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$ECHO "$CMDNAME: Wrong shutdown mode $sigopt"
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usage=1
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;;
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esac
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@ -112,15 +124,15 @@ do
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done
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if [ "$usage" = 1 -o "$op" = "" ];then
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echo "Usage: $CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o \"postmaster_opts\"] start"
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echo " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]] stop"
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echo " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o \"postmaster_opts\"] restart"
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echo " $CMDNAME [-D database_dir] status"
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$ECHO "Usage: $CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o \"postmaster_opts\"] start"
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$ECHO " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]] stop"
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$ECHO " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o \"postmaster_opts\"] restart"
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$ECHO " $CMDNAME [-D database_dir] status"
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exit 1
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fi
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if [ -z "$PGDATA" ];then
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echo "$CMDNAME: No database directory or environment variable \$PGDATA is specified"
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$ECHO "$CMDNAME: No database directory or environment variable \$PGDATA is specified"
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exit 1
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fi
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@ -130,32 +142,46 @@ PIDFILE=$PGDATA/postmaster.pid
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if [ $op = "status" ];then
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if [ -f $PIDFILE ];then
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echo "$CMDNAME: postmaster is running (pid: `cat $PIDFILE`)"
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echo "options are:"
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echo "`cat $POSTOPTSFILE`"
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PID=`cat $PIDFILE`
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if [ $PID -lt 0 ];then
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PID=`expr 0 - $PID`
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$ECHO "$CMDNAME: postgres is running (pid: $PID)"
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else
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$ECHO "$CMDNAME: postmaster is running (pid: $PID)"
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$ECHO "options are:"
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$ECHO "`cat $POSTOPTSFILE`"
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fi
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exit 0
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else
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echo "$CMDNAME: postmaster is not running"
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$ECHO "$CMDNAME: postmaster or postgres is not running"
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exit 1
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fi
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fi
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if [ $op = "stop" -o $op = "restart" ];then
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if [ -f $PIDFILE ];then
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PID=`cat $PIDFILE`
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if [ $PID -lt 0 ];then
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PID=`expr 0 - $PID`
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$ECHO "$CMDNAME: Cannot restart postmaster. postgres is running (pid: $PID)"
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$ECHO "Please terminate postgres and try again"
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exit 1
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fi
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kill $sig `cat $PIDFILE`
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# wait for postmaster shutting down
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if [ "$wait" = 1 -o $op = "restart" ];then
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cnt=0
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echo -n "Waiting for postmaster shutting down.."
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$ECHO_N "Waiting for postmaster shutting down.."$ECHO_C
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while :
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do
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if [ -f $PIDFILE ];then
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echo -n "."
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$ECHO_N "."$ECHO_C
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cnt=`expr $cnt + 1`
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if [ $cnt -gt 60 ];then
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echo "$CMDNAME: postmaster does not shut down"
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$ECHO "$CMDNAME: postmaster does not shut down"
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exit 1
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fi
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else
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@ -163,16 +189,16 @@ if [ $op = "stop" -o $op = "restart" ];then
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fi
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sleep 1
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done
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echo "done."
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$ECHO "done."
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fi
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echo "postmaster successfully shut down."
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$ECHO "postmaster successfully shut down."
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else
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echo "$CMDNAME: Can't find $PIDFILE."
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echo "Is postmaster running?"
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$ECHO "$CMDNAME: Can't find $PIDFILE."
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$ECHO "Is postmaster running?"
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if [ $op = "restart" ];then
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echo "Anyway, I'm going to start up postmaster..."
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$ECHO "Anyway, I'm going to start up postmaster..."
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else
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exit 1
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fi
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@ -181,7 +207,7 @@ fi
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if [ $op = "start" -o $op = "restart" ];then
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if [ -f $PIDFILE ];then
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echo "$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
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$ECHO "$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
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pid=`cat $PIDFILE`
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fi
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@ -192,7 +218,7 @@ if [ $op = "start" -o $op = "restart" ];then
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if [ -f $DEFPOSTOPTS ];then
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eval `cat $DEFPOSTOPTS` &
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else
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echo "$CMDNAME: Can't find $DEFPOSTOPTS"
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$ECHO "$CMDNAME: Can't find $DEFPOSTOPTS"
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exit 1
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fi
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else
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@ -205,7 +231,7 @@ if [ $op = "start" -o $op = "restart" ];then
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if [ -f $PIDFILE ];then
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if [ "`cat $PIDFILE`" = "$pid" ];then
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echo "$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
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$ECHO "$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
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exit 1
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fi
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fi
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@ -213,14 +239,14 @@ if [ $op = "start" -o $op = "restart" ];then
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# wait for postmaster starting up
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if [ "$wait" = 1 ];then
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cnt=0
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echo -n "Waiting for postmaster starting up.."
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$ECHO_N "Waiting for postmaster starting up.."$ECHO_C
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while :
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do
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if [ ! -f $PIDFILE ];then
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echo -n "."
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$ECHO_N "."$ECHO_C
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cnt=`expr $cnt + 1`
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if [ $cnt -gt 60 ];then
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echo "$CMDNAME: postmaster does not start up"
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$ECHO "$CMDNAME: postmaster does not start up"
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exit 1
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fi
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sleep 1
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@ -228,10 +254,10 @@ if [ $op = "start" -o $op = "restart" ];then
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break
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fi
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done
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echo "done."
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$ECHO "done."
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fi
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echo "postmaster successfully started up."
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$ECHO "postmaster successfully started up."
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fi
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exit 0
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