mirror of https://github.com/postgres/postgres
Made ipcclean work on Linux.REL7_0_PATCHES
Peter Eisentraut
26 years ago
parent
9e0b463473
commit
28125ed5e0
@ -1,8 +1,102 @@ |
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#!/bin/sh |
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# |
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# $Header: /cvsroot/pgsql/src/bin/ipcclean/Attic/ipcclean.sh,v 1.2 1998/08/22 05:19:31 momjian Exp $ |
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# $Header: /cvsroot/pgsql/src/bin/ipcclean/Attic/ipcclean.sh,v 1.3 2000/01/18 00:03:36 petere Exp $ |
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# |
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PATH=PG_OPT_IPCCLEANPATH_PARAM:$PATH |
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export PATH |
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ipcs | egrep '^m .*|^s .*' | egrep "`whoami`|postgres" | \ |
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|
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CMDNAME=`basename $0` |
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|
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if [ "$1" = '-?' -o "$1" = "--help" ]; then |
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echo "$CMDNAME cleans up shared memory and semaphores from aborted PostgreSQL backends." |
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echo |
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echo "Usage:" |
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echo " $CMDNAME" |
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echo |
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echo "Note: Since the utilities underlying this script are very different" |
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echo "from platform to platform, chances are that it might not work on" |
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echo "yours. If that is the case, please write to <bugs@postgresql.org>" |
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echo "so that your platform can be supported in the future." |
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exit 0 |
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fi |
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|
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if [ "$USER" = 'root' -o "$LOGNAME" = 'root' ] |
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then |
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echo "You cannot run $CMDNAME as root. Please log in (using, e.g., 'su')" |
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echo "as the (unprivileged) user that owned the server process." |
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exit 1 |
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fi |
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|
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EffectiveUser=`id -n -u 2>/dev/null || whoami 2>/dev/null` |
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|
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#----------------------------------- |
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# List of platform-specific hacks |
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# Feel free to add yours here. |
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#----------------------------------- |
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# |
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# This is based on RedHat 5.2. |
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# |
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if [ `uname` = 'Linux' ]; then |
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ipcs_id= |
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ipcs_cpid= |
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ipcs_lpid= |
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did_anything= |
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|
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if ps x | grep -s 'postmaster' >& /dev/null ; then |
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echo "$CMDNAME: You still have a postmaster running." |
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exit 1 |
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fi |
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|
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# shared memory |
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for val in `ipcs -m -p | grep '^[0-9]' | awk '{printf "%s %s\n", $1, $3, $4}'`; do |
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if [ -z "$ipcs_id" ]; then |
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ipcs_id=$val |
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# Note: We can do -n here, because we know the platform. |
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echo -n "Shared memory $ipcs_id ... " |
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continue |
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fi |
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ipcs_lpid=$val |
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|
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# Don't do anything if process still running. |
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# (This check is conceptually phony, but it's |
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# useful anyway in practice.) |
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ps hj$ipcs_pid >& /dev/null |
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if [ $? -eq 0 ]; then |
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echo "skipped. Process still exists (pid $ipcs_pid)." |
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else |
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# try remove |
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ipcrm shm $ipcs_id |
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if [ $? -eq 0 ]; then |
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did_anything=t |
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else |
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exit |
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fi |
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fi |
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ipcs_id= |
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ipcs_cpid= |
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ipcs_lpid= |
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done |
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|
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# semaphores |
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for val in `ipcs -s -c | grep '^[0-9]' | awk '{printf "%s\n", $1}'`; do |
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echo -n "Semaphore $val ... " |
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# try remove |
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ipcrm sem $val |
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if [ $? -eq 0 ]; then |
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did_anything=t |
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else |
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exit |
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fi |
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done |
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[ -z "$did_anything" ] && echo "$CMDNAME: nothing removed" && exit 1 |
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exit 0 |
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fi # end Linux |
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# This is the original implementation. It seems to work |
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# on FreeBSD, SunOS/Solaris, HP-UX, IRIX, and probably |
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# some others. |
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ipcs | egrep '^m .*|^s .*' | egrep "$EffectiveUser" | \ |
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awk '{printf "ipcrm -%s %s\n", $1, $2}' '-' | sh |
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