From 2959e1ede0ebc6fdffd7b8660f43c2ce14c9696f Mon Sep 17 00:00:00 2001
From: Taru Karttunen <taruti@taruti.net>
Date: Wed, 30 Mar 2011 17:14:36 +0300
Subject: Import sources from 2011-03-30 iso image - rc

---
 rc/bin/dontkill | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100755 rc/bin/dontkill

(limited to 'rc/bin/dontkill')

diff --git a/rc/bin/dontkill b/rc/bin/dontkill
new file mode 100755
index 000000000..96203e675
--- /dev/null
+++ b/rc/bin/dontkill
@@ -0,0 +1,10 @@
+#!/bin/rc
+# dontkill regexp - mark invoker's processes with names matching regexp
+#	as not killable when the kernel runs out of memory
+if (! ~ $#* 1) {
+	echo $0 regexp >[1=2]
+	exit usage
+}
+# see /sys/src/9/port/proc.c:/^killbig
+pids=`{psu | awk '$NF ~ /'$1'/ {print $2}'}
+~ $#pids 0 || chmod -w /proc/^$pids^/ctl
-- 
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