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authorgclarkii <gclarkii@FreeBSD.org>1994-09-10 06:27:55 +0000
committergclarkii <gclarkii@FreeBSD.org>1994-09-10 06:27:55 +0000
commitbd9f08584221a6bacbfeaebf19d4c3e21fa94a83 (patch)
tree8e0cf41774fd52d25f63363297782b383c4ad1f7 /gnu/usr.bin/perl/eg/shmkill
downloadFreeBSD-src-bd9f08584221a6bacbfeaebf19d4c3e21fa94a83.zip
FreeBSD-src-bd9f08584221a6bacbfeaebf19d4c3e21fa94a83.tar.gz
Initial import of Perl 4.046 bmaked
Diffstat (limited to 'gnu/usr.bin/perl/eg/shmkill')
-rw-r--r--gnu/usr.bin/perl/eg/shmkill24
1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/eg/shmkill b/gnu/usr.bin/perl/eg/shmkill
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--- /dev/null
+++ b/gnu/usr.bin/perl/eg/shmkill
@@ -0,0 +1,24 @@
+#!/usr/bin/perl
+
+# $Header: /home/cvs/386BSD/ports/lang/perl/eg/shmkill,v 1.1.1.1 1993/08/23 21:29:43 nate Exp $
+
+# 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;
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