mirror of https://github.com/postgres/postgres
helpful for the Win32 port. Andrew Dunstan, with additions by Bruce.REL8_0_STABLE
Bruce Momjian
22 years ago
parent
c792cbcc26
commit
f3d6d948c7
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@ -1,412 +0,0 @@ |
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#! /bin/sh |
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#------------------------------------------------------------------------- |
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# |
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# pg_ctl.sh-- |
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# Start/Stop/Restart/HUP/Report status of postmaster |
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# |
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# Copyright (c) 2001-2003, PostgreSQL Global Development Group |
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# |
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# |
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# IDENTIFICATION |
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# $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.sh,v 1.38 2004/01/10 02:55:14 momjian Exp $ |
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# |
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#------------------------------------------------------------------------- |
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|
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CMDNAME=`basename $0` |
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|
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help="\ |
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$CMDNAME is a utility to start, stop, restart, reload configuration files, |
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or report the status of a PostgreSQL server. |
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|
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Usage: |
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$CMDNAME start [-w] [-D DATADIR] [-s] [-l FILENAME] [-o \"OPTIONS\"] |
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$CMDNAME stop [-W] [-D DATADIR] [-s] [-m SHUTDOWN-MODE] |
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$CMDNAME restart [-w] [-D DATADIR] [-s] [-m SHUTDOWN-MODE] [-o \"OPTIONS\"] |
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$CMDNAME reload [-D DATADIR] [-s] |
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$CMDNAME status [-D DATADIR] |
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|
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Common options: |
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-D DATADIR location of the database storage area |
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-s only print errors, no informational messages |
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-w wait until operation completes |
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-W do not wait until operation completes |
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--help show this help, then exit |
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--version output version information, then exit |
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(The default is to wait for shutdown, but not for start or restart.) |
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|
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If the -D option is omitted, the environment variable PGDATA is used. |
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|
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Options for start or restart: |
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-l FILENAME write (or append) server log to FILENAME. The |
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use of this option is highly recommended. |
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-o OPTIONS command line options to pass to the postmaster |
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(PostgreSQL server executable) |
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-p PATH-TO-POSTMASTER normally not necessary |
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|
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Options for stop or restart: |
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-m SHUTDOWN-MODE may be 'smart', 'fast', or 'immediate' |
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|
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Shutdown modes are: |
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smart quit after all clients have disconnected |
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fast quit directly, with proper shutdown |
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immediate quit without complete shutdown; will lead to recovery on restart |
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|
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Report bugs to <pgsql-bugs@postgresql.org>." |
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|
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advice="\ |
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Try \"$CMDNAME --help\" for more information." |
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|
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|
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# Placed here during build |
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bindir='@bindir@' |
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VERSION='@VERSION@' |
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DEF_PGPORT='@DEF_PGPORT@' |
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|
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# protect the log file |
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umask 077 |
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|
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# Check for echo -n vs echo \c |
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|
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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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# |
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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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then |
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# explicit dir name given |
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self_path=`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 "$PATH" | sed 's/:/ /g'` |
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do |
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# empty entry in path means current dir |
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[ -z "$dir" ] && dir='.' |
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if [ -f "$dir/$CMDNAME" ] |
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then |
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self_path="$dir" |
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break |
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fi |
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done |
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fi |
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|
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# Check if needed programs actually exist in path |
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if [ -x "$self_path/postmaster" ] && [ -x "$self_path/psql" ]; then |
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PGPATH="$self_path" |
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elif [ -x "$bindir/postmaster" ] && [ -x "$bindir/psql" ]; then |
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PGPATH="$bindir" |
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else |
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echo "The programs \"postmaster\" and \"psql\" are needed by $CMDNAME but" 1>&2 |
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echo "were not found in the directory \"$bindir\"." 1>&2 |
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echo "Check your installation." 1>&2 |
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exit 1 |
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fi |
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|
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po_path="$PGPATH/postmaster" |
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|
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wait= |
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wait_seconds=60 |
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logfile= |
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silence_echo= |
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shutdown_mode=smart |
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PGDATAOPTS="" |
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POSTOPTS="" |
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|
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while [ "$#" -gt 0 ] |
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do |
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case "$1" in |
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-h|--help|-\?) |
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echo "$help" |
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exit 0 |
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;; |
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-V|--version) |
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echo "pg_ctl (PostgreSQL) $VERSION" |
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exit 0 |
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;; |
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-D) |
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shift |
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# we need to do this so -D datadir shows in ps display |
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PGDATAOPTS="-D $1" |
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PGDATA="$1" |
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export PGDATA |
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;; |
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-l) |
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logfile="$2" |
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shift;; |
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-l*) |
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logfile=`echo "$1" | sed 's/^-l//'` |
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;; |
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-m) |
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shutdown_mode="$2" |
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shift;; |
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-m*) |
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shutdown_mode=`echo "$1" | sed 's/^-m//'` |
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;; |
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-o) |
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shift |
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POSTOPTS="$1" |
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;; |
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-p) |
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shift |
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po_path="$1" |
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;; |
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-s) |
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silence_echo=: |
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;; |
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-w) |
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wait=yes |
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;; |
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-W) |
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wait=no |
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;; |
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-*) |
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echo "$CMDNAME: invalid option: $1" 1>&2 |
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echo "$advice" 1>&2 |
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exit 1 |
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;; |
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start) |
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op="start" |
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;; |
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stop) |
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op="stop" |
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;; |
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restart) |
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op="restart" |
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;; |
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reload) |
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op="reload" |
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;; |
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status) |
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op="status" |
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;; |
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*) |
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echo "$CMDNAME: invalid operation mode: $1" 1>&2 |
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echo "$advice" 1>&2 |
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exit 1 |
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;; |
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esac |
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shift |
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done |
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|
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if [ x"$op" = x"" ];then |
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echo "$CMDNAME: no operation mode specified" 1>&2 |
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echo "$advice" 1>&2 |
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exit 1 |
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fi |
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|
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if [ -z "$PGDATA" ];then |
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echo "$CMDNAME: no database directory specified and environment variable PGDATA unset" 1>&2 |
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echo "$advice" 1>&2 |
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exit 1 |
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fi |
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|
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if [ -z "$wait" ]; then |
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case "$op" in |
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start) wait=no;; |
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stop) wait=yes;; |
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restart) wait=no;; # must wait on shutdown anyhow |
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esac |
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fi |
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|
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|
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case "$shutdown_mode" in |
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s|smart) |
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sig="-TERM" |
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;; |
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f|fast) |
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sig="-INT" |
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;; |
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i|immediate) |
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sig="-QUIT" |
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;; |
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*) |
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echo "$CMDNAME: invalid shutdown mode: $1" 1>&2 |
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echo "$advice" 1>&2 |
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exit 1 |
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;; |
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esac |
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|
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if [ "$op" = "reload" ];then |
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sig="-HUP" |
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wait=no |
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fi |
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DEFPOSTOPTS=$PGDATA/postmaster.opts.default |
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POSTOPTSFILE=$PGDATA/postmaster.opts |
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PIDFILE=$PGDATA/postmaster.pid |
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CONFFILE=$PGDATA/postgresql.conf |
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|
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if [ "$op" = "status" ];then |
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if [ -f "$PIDFILE" ];then |
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PID=`sed -n 1p $PIDFILE` |
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if [ "$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: $PID)" |
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echo "Command line was:" |
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cat "$POSTOPTSFILE" |
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fi |
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exit 0 |
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else |
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echo "$CMDNAME: postmaster or postgres not running" |
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exit 1 |
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fi |
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fi |
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|
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if [ "$op" = "stop" -o "$op" = "restart" -o "$op" = "reload" ];then |
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if [ -f "$PIDFILE" ];then |
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PID=`sed -n 1p $PIDFILE` |
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if [ "$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: $PID)" 1>&2 |
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echo "Please terminate postgres and try again." 1>&2 |
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exit 1 |
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fi |
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|
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kill "$sig" $PID |
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|
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# wait for postmaster to shut down |
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if [ "$wait" = yes -o "$op" = restart ];then |
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cnt=0 |
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$silence_echo $ECHO_N "waiting for postmaster to shut down..."$ECHO_C |
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|
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while : |
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do |
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if [ -f "$PIDFILE" ];then |
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$silence_echo $ECHO_N "."$ECHO_C |
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cnt=`expr $cnt + 1` |
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if [ "$cnt" -gt "$wait_seconds" ];then |
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$silence_echo echo " failed" |
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echo "$CMDNAME: postmaster does not shut down" 1>&2 |
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exit 1 |
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fi |
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else |
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break |
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fi |
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sleep 1 |
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done |
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$silence_echo echo "done" |
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fi |
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|
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if [ "$op" = "reload" ];then |
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$silence_echo echo "postmaster successfully signaled" |
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else |
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if [ "$wait" = yes ];then |
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$silence_echo echo "postmaster successfully shut down" |
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else |
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$silence_echo echo "postmaster shutting down" |
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fi |
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fi |
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|
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else # ! -f $PIDFILE |
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echo "$CMDNAME: could not find $PIDFILE" 1>&2 |
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echo "Is postmaster running?" 1>&2 |
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if [ "$op" = "restart" ];then |
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echo "starting postmaster anyway" 1>&2 |
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else |
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exit 1 |
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fi |
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fi |
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fi # stop, restart, reload |
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|
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if [ "$op" = "start" -o "$op" = "restart" ];then |
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oldpid="" |
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if [ -f "$PIDFILE" ];then |
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echo "$CMDNAME: Another postmaster may be running. Trying to start postmaster anyway." 1>&2 |
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oldpid=`sed -n 1p $PIDFILE` |
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fi |
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|
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# no -o given |
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if [ -z "$POSTOPTS" ];then |
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if [ "$op" = "start" ];then |
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# if we are in start mode, then look for postmaster.opts.default |
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if [ -f "$DEFPOSTOPTS" ]; then |
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eval set X "`cat $DEFPOSTOPTS`"; shift |
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fi |
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else |
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# if we are in restart mode, then look for postmaster.opts |
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eval set X "`cat $POSTOPTSFILE`"; shift |
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po_path="$1" |
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shift |
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fi |
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else # -o given |
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eval set X "$POSTOPTS"; shift |
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fi |
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|
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if [ -n "$logfile" ]; then |
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"$po_path" ${1+"$@"} ${PGDATAOPTS+$PGDATAOPTS} </dev/null >>$logfile 2>&1 & |
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else |
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# when starting without log file, redirect stderr to stdout, so |
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# pg_ctl can be invoked with >$logfile and still have pg_ctl's |
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# stderr on the terminal. |
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"$po_path" ${1+"$@"} ${PGDATAOPTS+$PGDATAOPTS} </dev/null 2>&1 & |
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fi |
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|
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# if had an old lockfile, check to see if we were able to start |
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if [ -n "$oldpid" ];then |
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sleep 1 |
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if [ -f "$PIDFILE" ];then |
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if [ "`sed -n 1p $PIDFILE`" = "$oldpid" ];then |
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echo "$CMDNAME: cannot start postmaster" 1>&2 |
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echo "Examine the log output." 1>&2 |
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exit 1 |
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fi |
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fi |
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fi |
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|
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# FIXME: This is horribly misconceived. |
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# 1) If password authentication is set up, the connection will fail. |
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# 2) If a virtual host is set up, the connection may fail. |
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# 3) If network traffic filters are set up tight enough, the connection |
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# may fail. |
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# 4) When no Unix domain sockets are available, the connection will |
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# fail. (Using TCP/IP by default ain't better.) |
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# 5) If the dynamic loader is not set up correctly (for this user/at |
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# this time), psql will fail (to find libpq). |
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# 6) If psql is misconfigured, this may fail. |
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|
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# Attempt to use the right port |
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# Use PGPORT if set, otherwise look in the configuration file |
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if [ -z "$PGPORT" ];then |
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PGPORT=`sed -ne 's/^[ ]*port[^=]*=[ ]\+\([0-9]\+\).*/\1/p' $CONFFILE 2>/dev/null` |
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if [ -z "$PGPORT" ];then |
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PGPORT="$DEF_PGPORT" |
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fi |
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fi |
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|
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# wait for postmaster to start |
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if [ "$wait" = yes ];then |
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cnt=0 |
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$silence_echo $ECHO_N "waiting for postmaster to start..."$ECHO_C |
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while : |
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do |
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if "$PGPATH/psql" -p $PGPORT -l >/dev/null 2>&1 |
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then |
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break; |
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else |
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$silence_echo $ECHO_N "."$ECHO_C |
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cnt=`expr $cnt + 1` |
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if [ "$cnt" -gt "$wait_seconds" ];then |
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$silence_echo echo "failed" |
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echo "$CMDNAME: postmaster does not start" 1>&2 |
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exit 1 |
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fi |
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sleep 1 |
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fi |
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done |
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$silence_echo echo "done" |
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$silence_echo echo "postmaster successfully started" |
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else |
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$silence_echo echo "postmaster starting" |
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fi |
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fi # start or restart |
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|
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exit 0 |
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