pg_ctl: a script to start/stop/restart and report status of postmaster.

src/bin/pg_ctl/Makefile

+#-------------------------------------------------------------------------
+#
+# Makefile.inc--
+#    Makefile for bin/pg_ctl
+#
+# Copyright (c) 1999, PostgreSQL Global Development Group
+#
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/bin/pg_ctl/Makefile,v 1.1 1999/12/06 07:23:41 ishii Exp $
+#
+#-------------------------------------------------------------------------
+
+SRCDIR= ../..
+include ../../Makefile.global
+
+all: pg_ctl
+
+pg_ctl: pg_ctl.sh
+	sed -e 's@__BINDIR__@$(BINDIR)@' pg_ctl.sh > pg_ctl
+
+install: pg_ctl
+	$(INSTALL) $(INSTL_EXE_OPTS) $< $(BINDIR)/$<
+
+clean:
+	rm -f pg_ctl
+
+dep depend:

src/bin/pg_ctl/pg_ctl.sh

+#! /bin/sh
+#-------------------------------------------------------------------------
+#
+# pg_ctl.sh--
+#    Start/Stop/Restart/Report status of postmaster
+#
+# Copyright (c) 1999, PostgreSQL Global Development Group
+#
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.1 1999/12/06 07:23:41 ishii Exp $
+#
+#-------------------------------------------------------------------------
+CMDNAME=`basename $0`
+
+# set default path to postmaster
+po_path=__BINDIR__/postmaster
+
+# set default shutdown signal
+sig="-TERM"
+
+while [ "$#" -gt 0 ]
+do
+    case $1 in
+	-h|--help)
+	usage=1
+	break
+	;;
+	-D)
+	    shift
+	    PGDATA="$1"
+	    ;;
+	-p)
+	    shift
+	    po_path="$1"
+	    ;;
+	-m)
+	    shift
+	    case $1 in
+		f|fast)
+		    sig="-INT"
+		    ;;
+		i|immediate)
+		    sig="-QUIT"
+		    ;;
+	    *)
+		echo "$CMDNAME: Wrong shutdown mode $sigopt"
+		usage=1
+		;;
+	    esac
+	    ;;
+	-w)
+	    wait=1
+	    ;;
+	-o)
+	    shift
+	    POSTOPTS="$1"
+	    ;;
+	start)
+	    op="start"
+	    ;;
+	stop)
+	    op="stop"
+	    ;;
+	restart)
+	    op="restart"
+	    ;;
+	status)
+	    op="status"
+	    ;;
+	*)
+	    usage=1
+	    break
+	    ;;
+    esac
+    shift
+done
+
+if [ "$usage" = 1 -o "$op" = "" ];then
+    echo "Usage: $CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o \"postmaster_opts\"] start"
+    echo "       $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]] stop"
+    echo "       $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o \"postmaster_opts\"] restart"
+    echo "       $CMDNAME [-D database_dir] status"
+    exit 1
+fi
+
+if [ -z "$PGDATA" ];then
+    echo "$CMDNAME: No database directory or environment variable \$PGDATA is specified"
+    exit 1
+fi
+
+DEFPOSTOPTS=$PGDATA/postmaster.opts.default
+POSTOPTSFILE=$PGDATA/postmaster.opts
+PIDFILE=$PGDATA/postmaster.pid
+
+if [ $op = "status" ];then
+    if [ -f $PIDFILE ];then
+	echo "$CMDNAME: postmaster is running (pid: `cat $PIDFILE`)"
+	echo "options are:"
+	echo "`cat $POSTOPTSFILE`"
+	exit 0
+    else
+	echo "$CMDNAME: postmaster is not running"
+	exit 1
+    fi
+fi
+
+if [ $op = "stop" -o $op = "restart" ];then
+    if [ -f $PIDFILE ];then
+	kill $sig `cat $PIDFILE`
+
+	# wait for postmaster shutting down
+	if [ "$wait" = 1 -o $op = "restart" ];then
+	    cnt=0
+	    echo -n "Waiting for postmaster shutting down.."
+
+	    while :
+	    do
+		if [ -f $PIDFILE ];then
+		    echo -n "."
+		    cnt=`expr $cnt + 1`
+		    if [ $cnt -gt 60 ];then
+			echo "$CMDNAME: postmaster does not shut down"
+			exit 1
+		    fi
+		else
+		    break
+		fi
+		sleep 1
+	    done
+	    echo "done."
+	fi
+
+    else
+	echo "$CMDNAME: Can't find $PIDFILE."
+	echo "Is postmaster running?"
+	if [ $op = "restart" ];then
+	    echo "Anyway, I'm going to start up postmaster..."
+	else
+	    exit 1
+	fi
+    fi
+fi
+
+if [ $op = "start" -o $op = "restart" ];then
+    if [ -f $PIDFILE ];then
+	echo "$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
+	pid=`cat $PIDFILE`
+    fi
+
+    if [ -z "$POSTOPTS" ];then
+	if [ -f $DEFPOSTOPTS ];then
+	    eval `cat $DEFPOSTOPTS` &
+	else
+	    echo "$CMDNAME: Can't find $DEFPOSTOPTS"
+	    exit 1
+	fi
+    else
+	$po_path $POSTOPTS &
+    fi
+
+    if [ -f $PIDFILE ];then
+	if [ "`cat $PIDFILE`" = "$pid" ];then
+	    echo "$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
+	    exit 1
+        fi
+    fi
+
+    # wait for postmaster starting up
+    if [ "$wait" = 1 ];then
+	cnt=0
+	echo -n "Waiting for postmaster starting up.."
+	while :
+	do
+	    if [ ! -f $PIDFILE ];then
+		echo -n "."
+		cnt=`expr $cnt + 1`
+		if [ $cnt -gt 60 ];then
+		    echo "$CMDNAME: postmaster does not start up"
+		    exit 1
+		fi
+		sleep 1
+	    else
+		break
+	    fi
+	done
+	echo "done."
+    fi
+fi
+
+exit 0