25 lines
590 B
Plaintext
25 lines
590 B
Plaintext
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#!/usr/bin/perl
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# $RCSfile: shmkill,v $$Revision: 4.1 $$Date: 92/08/07 17:20:45 $
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# A script to call from crontab periodically when people are leaving shared
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# memory sitting around unattached.
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open(ipcs,'ipcs -m -o|') || die "Can't run ipcs: $!";
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while (<ipcs>) {
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$tmp = index($_,'NATTCH');
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$pos = $tmp if $tmp >= 0;
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if (/^m/) {
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($m,$id,$key,$mode,$owner,$group,$attach) = split;
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if ($attach != substr($_,$pos,6)) {
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die "Different ipcs format--can't parse!\n";
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}
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if ($attach == 0) {
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push(@goners,'-m',$id);
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}
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}
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}
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exec 'ipcrm', @goners if $#goners >= 0;
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