[perl5.git] / eg / shmkill

#!/usr/bin/perl

# $RCSfile: shmkill,v $$Revision: 4.1 $$Date: 92/08/07 17:20:45 $

# A script to call from crontab periodically when people are leaving shared
# memory sitting around unattached.

open(ipcs,'ipcs -m -o|') || die "Can't run ipcs: $!";

while (<ipcs>) {
    $tmp = index($_,'NATTCH');
    $pos = $tmp if $tmp >= 0;
    if (/^m/) {
	($m,$id,$key,$mode,$owner,$group,$attach) = split;
	if ($attach != substr($_,$pos,6)) {
	    die "Different ipcs format--can't parse!\n";
	}
	if ($attach == 0) {
	    push(@goners,'-m',$id);
	}
    }
}

exec 'ipcrm', @goners if $#goners >= 0;
Commit	Line	Data
378cc40b LW	1	#!/usr/bin/perl
378cc40b LW	2
79072805	3	# $RCSfile: shmkill,v $$Revision: 4.1 $$Date: 92/08/07 17:20:45 $
378cc40b LW	4
	5	# A script to call from crontab periodically when people are leaving shared
	6	# memory sitting around unattached.
	7
a687059c	8	open(ipcs,'ipcs -m -o\|') \|\| die "Can't run ipcs: $!";
378cc40b LW	9
	10	while (<ipcs>) {
	11	$tmp = index($_,'NATTCH');
	12	$pos = $tmp if $tmp >= 0;
	13	if (/^m/) {
	14	($m,$id,$key,$mode,$owner,$group,$attach) = split;
	15	if ($attach != substr($_,$pos,6)) {
a687059c	16	die "Different ipcs format--can't parse!\n";
378cc40b LW	17	}
	18	if ($attach == 0) {
	19	push(@goners,'-m',$id);
	20	}
	21	}
	22	}
	23
	24	exec 'ipcrm', @goners if $#goners >= 0;