SVN: rc-scripts/trunk/rc.d/init.d/random

[glen]

Author: glen
Date: Fri Nov  9 01:21:42 2007
New Revision: 9020

Modified:
   rc-scripts/trunk/rc.d/init.d/random
Log:
- use subsys lock files

Modified: rc-scripts/trunk/rc.d/init.d/random
==============================================================================
--- rc-scripts/trunk/rc.d/init.d/random	(original)
+++ rc-scripts/trunk/rc.d/init.d/random	Fri Nov  9 01:21:42 2007
@@ -17,33 +17,38 @@
 # See how we were called.
 case "$1" in
   start)
-	show "Initializing random number generator"
-	busy
-	# Carry a random seed from start-up to start-up
-	# Load and then save 512 bytes, which is the size of the entropy pool
-	if [ -f $random_seed ]; then
-		cat $random_seed >/dev/urandom
-	else
-		touch $random_seed
+	# Check if the service is already running?
+	if [ ! -f /var/lock/subsys/random ]; then
+		show "Initializing random number generator"
+		busy
+		# Carry a random seed from start-up to start-up
+		# Load and then save 512 bytes, which is the size of the entropy pool
+		if [ -f $random_seed ]; then
+			cat $random_seed >/dev/urandom
+		else
+			touch $random_seed
+		fi
+		chmod 600 $random_seed
+		dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
+		touch /var/lock/subsys/random
+		deltext
+		ok
 	fi
-	chmod 600 $random_seed
-	dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
-	touch /var/lock/subsys/random
-	deltext
-	ok
 	;;
   stop)
-	# Carry a random seed from shut-down to start-up
-	# Save 512 bytes, which is the size of the entropy pool
-	show "Saving random seed"
-	busy
-	touch $random_seed
-	chmod 600 $random_seed
-	dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
+	if [ -f /var/lock/subsys/random ]; then
+		# Carry a random seed from shut-down to start-up
+		# Save 512 bytes, which is the size of the entropy pool
+		show "Saving random seed"
+		busy
+		touch $random_seed
+		chmod 600 $random_seed
+		dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
 
-	rm -f /var/lock/subsys/random
-	deltext
-	ok
+		rm -f /var/lock/subsys/random
+		deltext
+		ok
+	fi
 	;;
   status)
 	# this is way overkill, but at least we have some status output...
@@ -53,13 +58,7 @@
 		nls "The random data source is missing"
 	fi
 	;;
-  restart|reload)
-	# do not do anything; this is unreasonable
-	:
-	;;
   *)
-	# do not advertise unreasonable commands that there is no reason
-	# to use with this device
 	msg_usage "$0 {start|stop|status}"
 	exit 3
 esac