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Add more portability to echo -n (code stolen from createlang)

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Do not start postmaster if postgres is running
This commit is contained in:
Tatsuo Ishii 2000-01-09 12:06:52 +00:00
parent bd62e062aa
commit 359652898b
1 changed files with 62 additions and 36 deletions
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98
src/bin/pg_ctl/pg_ctl.sh
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@ -8,21 +8,33 @@
# #
# #
# IDENTIFICATION # IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.5 1999/12/22 04:41:17 ishii Exp $ # $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.6 2000/01/09 12:06:52 ishii Exp $
# #
#------------------------------------------------------------------------- #-------------------------------------------------------------------------
CMDNAME=`basename $0` CMDNAME=`basename $0`
# Check for echo -n vs echo \c
ECHO=echo
if echo '\c' | grep -s c >/dev/null 2>&1
then
ECHO_N="echo -n"
ECHO_C=""
else
ECHO_N="echo"
ECHO_C='\c'
fi
# #
# Find out where we're located # Find out where we're located
# #
if echo "$0" | grep '/' > /dev/null 2>&1 if $ECHO "$0" | grep '/' > /dev/null 2>&1
then then
# explicit dir name given # explicit dir name given
PGPATH=`echo $0 | sed 's,/[^/]*$,,'` # (dirname command is not portable) PGPATH=`$ECHO $0 | sed 's,/[^/]*$,,'` # (dirname command is not portable)
else else
# look for it in PATH ('which' command is not portable) # look for it in PATH ('which' command is not portable)
for dir in `echo "$PATH" | sed 's/:/ /g'` for dir in `$ECHO "$PATH" | sed 's/:/ /g'`
do do
# empty entry in path means current dir # empty entry in path means current dir
[ -z "$dir" ] && dir='.' [ -z "$dir" ] && dir='.'
@ -39,12 +51,12 @@ for prog in postmaster
do do
if [ ! -x "$PGPATH/$prog" ] if [ ! -x "$PGPATH/$prog" ]
then then
echo "The program $prog needed by $CMDNAME could not be found. It was" $ECHO "The program $prog needed by $CMDNAME could not be found. It was"
echo "expected at:" $ECHO "expected at:"
echo " $PGPATH/$prog" $ECHO " $PGPATH/$prog"
echo "If this is not the correct directory, please start $CMDNAME" $ECHO "If this is not the correct directory, please start $CMDNAME"
echo "with a full search path. Otherwise make sure that the program" $ECHO "with a full search path. Otherwise make sure that the program"
echo "was installed successfully." $ECHO "was installed successfully."
exit 1 exit 1
fi fi
done done
@ -79,7 +91,7 @@ do
sig="-QUIT" sig="-QUIT"
;; ;;
*) *)
echo "$CMDNAME: Wrong shutdown mode $sigopt" $ECHO "$CMDNAME: Wrong shutdown mode $sigopt"
usage=1 usage=1
;; ;;
esac esac
@ -112,15 +124,15 @@ do
done done
if [ "$usage" = 1 -o "$op" = "" ];then if [ "$usage" = 1 -o "$op" = "" ];then
echo "Usage: $CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o \"postmaster_opts\"] start" $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]] stop"
echo " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o \"postmaster_opts\"] restart" $ECHO " $CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o \"postmaster_opts\"] restart"
echo " $CMDNAME [-D database_dir] status" $ECHO " $CMDNAME [-D database_dir] status"
exit 1 exit 1
fi fi
if [ -z "$PGDATA" ];then if [ -z "$PGDATA" ];then
echo "$CMDNAME: No database directory or environment variable \$PGDATA is specified" $ECHO "$CMDNAME: No database directory or environment variable \$PGDATA is specified"
exit 1 exit 1
fi fi
@ -130,32 +142,46 @@ PIDFILE=$PGDATA/postmaster.pid
if [ $op = "status" ];then if [ $op = "status" ];then
if [ -f $PIDFILE ];then if [ -f $PIDFILE ];then
echo "$CMDNAME: postmaster is running (pid: `cat $PIDFILE`)" PID=`cat $PIDFILE`
echo "options are:" if [ $PID -lt 0 ];then
echo "`cat $POSTOPTSFILE`" PID=`expr 0 - $PID`
$ECHO "$CMDNAME: postgres is running (pid: $PID)"
else
$ECHO "$CMDNAME: postmaster is running (pid: $PID)"
$ECHO "options are:"
$ECHO "`cat $POSTOPTSFILE`"
fi
exit 0 exit 0
else else
echo "$CMDNAME: postmaster is not running" $ECHO "$CMDNAME: postmaster or postgres is not running"
exit 1 exit 1
fi fi
fi fi
if [ $op = "stop" -o $op = "restart" ];then if [ $op = "stop" -o $op = "restart" ];then
if [ -f $PIDFILE ];then if [ -f $PIDFILE ];then
PID=`cat $PIDFILE`
if [ $PID -lt 0 ];then
PID=`expr 0 - $PID`
$ECHO "$CMDNAME: Cannot restart postmaster. postgres is running (pid: $PID)"
$ECHO "Please terminate postgres and try again"
exit 1
fi
kill $sig `cat $PIDFILE` kill $sig `cat $PIDFILE`
# wait for postmaster shutting down # wait for postmaster shutting down
if [ "$wait" = 1 -o $op = "restart" ];then if [ "$wait" = 1 -o $op = "restart" ];then
cnt=0 cnt=0
echo -n "Waiting for postmaster shutting down.." $ECHO_N "Waiting for postmaster shutting down.."$ECHO_C
while : while :
do do
if [ -f $PIDFILE ];then if [ -f $PIDFILE ];then
echo -n "." $ECHO_N "."$ECHO_C
cnt=`expr $cnt + 1` cnt=`expr $cnt + 1`
if [ $cnt -gt 60 ];then if [ $cnt -gt 60 ];then
echo "$CMDNAME: postmaster does not shut down" $ECHO "$CMDNAME: postmaster does not shut down"
exit 1 exit 1
fi fi
else else
@ -163,16 +189,16 @@ if [ $op = "stop" -o $op = "restart" ];then
fi fi
sleep 1 sleep 1
done done
echo "done." $ECHO "done."
fi fi
echo "postmaster successfully shut down." $ECHO "postmaster successfully shut down."
else else
echo "$CMDNAME: Can't find $PIDFILE." $ECHO "$CMDNAME: Can't find $PIDFILE."
echo "Is postmaster running?" $ECHO "Is postmaster running?"
if [ $op = "restart" ];then if [ $op = "restart" ];then
echo "Anyway, I'm going to start up postmaster..." $ECHO "Anyway, I'm going to start up postmaster..."
else else
exit 1 exit 1
fi fi
@ -181,7 +207,7 @@ fi
if [ $op = "start" -o $op = "restart" ];then if [ $op = "start" -o $op = "restart" ];then
if [ -f $PIDFILE ];then if [ -f $PIDFILE ];then
echo "$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway." $ECHO "$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
pid=`cat $PIDFILE` pid=`cat $PIDFILE`
fi fi
@ -192,7 +218,7 @@ if [ $op = "start" -o $op = "restart" ];then
if [ -f $DEFPOSTOPTS ];then if [ -f $DEFPOSTOPTS ];then
eval `cat $DEFPOSTOPTS` & eval `cat $DEFPOSTOPTS` &
else else
echo "$CMDNAME: Can't find $DEFPOSTOPTS" $ECHO "$CMDNAME: Can't find $DEFPOSTOPTS"
exit 1 exit 1
fi fi
else else
@ -205,7 +231,7 @@ if [ $op = "start" -o $op = "restart" ];then
if [ -f $PIDFILE ];then if [ -f $PIDFILE ];then
if [ "`cat $PIDFILE`" = "$pid" ];then if [ "`cat $PIDFILE`" = "$pid" ];then
echo "$CMDNAME: Cannot start postmaster. Is another postmaster is running?" $ECHO "$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
exit 1 exit 1
fi fi
fi fi
@ -213,14 +239,14 @@ if [ $op = "start" -o $op = "restart" ];then
# wait for postmaster starting up # wait for postmaster starting up
if [ "$wait" = 1 ];then if [ "$wait" = 1 ];then
cnt=0 cnt=0
echo -n "Waiting for postmaster starting up.." $ECHO_N "Waiting for postmaster starting up.."$ECHO_C
while : while :
do do
if [ ! -f $PIDFILE ];then if [ ! -f $PIDFILE ];then
echo -n "." $ECHO_N "."$ECHO_C
cnt=`expr $cnt + 1` cnt=`expr $cnt + 1`
if [ $cnt -gt 60 ];then if [ $cnt -gt 60 ];then
echo "$CMDNAME: postmaster does not start up" $ECHO "$CMDNAME: postmaster does not start up"
exit 1 exit 1
fi fi
sleep 1 sleep 1
@ -228,10 +254,10 @@ if [ $op = "start" -o $op = "restart" ];then
break break
fi fi
done done
echo "done." $ECHO "done."
fi fi
echo "postmaster successfully started up." $ECHO "postmaster successfully started up."
fi fi
exit 0 exit 0