Added Dan Nicholson's patch for #2160, and cleaned up tab/spacing in changelog.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8701 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

bootscripts/ChangeLog

@@ -1,7 +1,14 @@
+2008-10-26	Dan Nicholson	<dnicholson@linuxfromscratch.org>
+	* lfs/init.d/functions: Remove stale pid files when encountered
+	  in loadproc/killproc/reloadproc. When the bootscript specifies
+	  a pid file to use with the "-p pidfile" argument, *proc
+	  functions previously bailed out when the referenced file
+	  contains an invalid pid.
+
 2008-10-23	DJ Lucas	<dj@linuxfromscratch.org>
 	* lfs/init.d/console: Removed BROKEN_COMPOSE as kernel patch has
 	  been accepted upstream.
- 
+
 2008-05-21	Bryan Kadzban	<bryan@linuxfromscratch.org>
 	* lfs/init.d/udev: lfs/init.d/udev_retry: Use new udevadm program.
 
@@ -100,7 +107,7 @@
 n/a - June 2, 2006
 	* Removed console config file and makefile targets.
 	* Removed references to /dev/bug and bugreport in udevand 
-          udev_retry bootscripts. (DJ Lucas)
+	  udev_retry bootscripts. (DJ Lucas)
 n/a - April 17, 2006
 	* Updated udev script to use the new udevsettle program.
 	* Added udev_retry script for systems that have /usr on a different
@@ -108,26 +115,26 @@ n/a - April 17, 2006
 
 n/a - April 15, 2006
 	* Cleaned up contrib directory.  Removed: contrib/init.d, 
-          contrib/enhanced, contrib/livecd, contrib/hotplug, and raq2 
+	  contrib/enhanced, contrib/livecd, contrib/hotplug, and raq2 
 	  patch. (DJ Lucas)
 
 n/a - April 14, 2006
-        * Merged changes from udev_update branch (DJ Lucas)
+	* Merged changes from udev_update branch (DJ Lucas)
 	* Replaced a return with an exit and reversed comment changes in 
-          udev bootscript. (Dan Nicholson)
+	  udev bootscript. (Dan Nicholson)
 	* Replaced walk_sysfs function in udev bootscript with new udevtrigger
-          program and move wait_for_uevents function inline. (DJ Lucas)
+	  program and move wait_for_uevents function inline. (DJ Lucas)
 	* Removed extra evaluate_retval in udev bootscript. (Ken Moffat)
-	* Wait for uevents to be processed in the udev script.  See ticket #1720
-	  for details. (Matthew Burgess)
+	* Wait for uevents to be processed in the udev script.  See ticket
+	  #1720 for details. (Matthew Burgess)
 
 n/a - March 21, 2006
-        * Removed old references to boot_log function and arguments passed
-          to boot_mesg_flush in echo_* functions. (DJ Lucas)
+	* Removed old references to boot_log function and arguments passed
+	  to boot_mesg_flush in echo_* functions. (DJ Lucas)
 
 n/a - March 10, 2006
 	* Moved src argument to ipv4-static-route service script and 
-          removed from ipv4-static service script. (DJ Lucas)
+	  removed from ipv4-static service script. (DJ Lucas)
 
 n/a - March 8. 2006
 	* Correct sourced path in checkfs script. (Matthew Burgess)
@@ -287,7 +294,8 @@ n/a - November 25, 2004
 	  related to boot_mesg changes (DJ Lucas, Alexander Patrakov)
 	* syslog-ng is now installed by default (Jeremy Utley)
 	* hotplug is now installed by default (Jeremy Utley)
-	* udev now uses /sbin/hotplug as the default hotplug handler (Nathan Coulson)
+	* udev now uses /sbin/hotplug as the default hotplug handler
+	  (Nathan Coulson)
 	* udev now mounts a tmpfs instead of a ramfs onto /dev,
 	  as suggested by Greg K-H (Nathan Coulson)
 	* Created contrib/lsb, and added a LSB compliant functions file
@@ -354,8 +362,8 @@ n/a - September 22, 2004
 	* All scriptes have been converted to use boot_mesg
 
 n/a - September 21, 2004
-	* boot_mesg has been enhanced.  Subsequent calls will overwrite previous
-	  text, and it will wrap text basedupon the variable ${WCOL}. 
+	* boot_mesg has been enhanced.  Subsequent calls will overwrite
+	  previous text, and it will wrap text basedupon the variable ${WCOL}. 
 	  (James Robertson)
 	* Fixed mtu optional service typo (Kevin P Fleming)
 	* Added SOURCE variable to ipv4-static-route (Kevin P Fleming)
@@ -806,7 +814,7 @@ n/a - February 2, 2004:
 	* Fixed network shutdown script
 	* Fixed Makefile rc.6 to reboot
 	* Added -s flag to grep command in rc.d/init.d/network -
-          suppresses an error if no ifconfig.* files exist
+	  suppresses an error if no ifconfig.* files exist
 
 n/a - January 30, 2004:
 
@@ -827,8 +835,8 @@ n/a - January 30, 2004:
 n/a - January 30, 2004:
 
 	* New maintainers for the lfs-bootscripts package are:
-	Jeremy Utley (jeremy@linuxfromscratch.org)
-	Nathan Coulson (nathan@linuxfromscratch.org)
+	  Jeremy Utley (jeremy@linuxfromscratch.org)
+	  Nathan Coulson (nathan@linuxfromscratch.org)
 
 1.11 - February 3rd, 2003:
 
@@ -838,7 +846,7 @@ n/a - January 30, 2004:
 1.10 - September 12th, 2002:
 
 	* Fixed up checkfs to work with non-ext2 filesystems too (such as
-	minix).
+	  minix).
 
 1.9 - April 5th, 2002:
 
@@ -884,9 +892,9 @@ n/a - January 30, 2004:
 1.6 - February 26th, 2002:
 
 	* replaced -o %PPID with -o $PPID throughout the functions script. This
-	construct does what it's supposed to do (don't take PPID into account
-	because this would fail if a running daemon and the bootscript have
-	the same name).
+	  construct does what it's supposed to do (don't take PPID into account
+	  because this would fail if a running daemon and the bootscript have
+	  the same name).
 
 	* added 'restart' to the swap script
 
@@ -914,7 +922,7 @@ n/a - January 30, 2004:
 	  variable is set
 
 	* removed the emptying of /etc/mtab since it's a symlink to
-	 /proc/mounts now
+	  /proc/mounts now
 
 	* added the mountproc script which mounts the proc system. This is done
 	  because we need proc mounted even before the mountfs script is ran

bootscripts/lfs/init.d/functions

@@ -291,6 +291,12 @@ reloadproc()
 		pidofproc -s -p "${pidfile}" "${1}"
 	fi
 
+	# Warn about stale pid file
+	if [ "$?" = 1 ]; then
+		boot_mesg -n "Removing stale pid file: ${pidfile}. " ${WARNING}
+		rm -f "${pidfile}"
+	fi
+
 	if [ -n "${pidlist}" ];	then
 		for pid in ${pidlist}
 		do
@@ -504,7 +510,7 @@ getpids()
 #                     warning in stdout
 #          return 4 - Program or service status is unknown
 #
-# Dependencies: nice
+# Dependencies: nice, rm
 #
 # Todo: LSB says this should be called start_daemon
 #       LSB does not say that it should call evaluate_retval
@@ -567,8 +573,8 @@ loadproc()
 				return 0 # 4
 				;;
 			1)
-				log_warning_msg "Unable to continue: ${pidfile} exists"
-				return 0 # 4
+				boot_mesg "Removing stale pid file: ${pidfile}" ${WARNING}
+				rm -f "${pidfile}"
 				;;
 			3)
 				;;
@@ -598,7 +604,7 @@ loadproc()
 #                     warning in stdout
 #          return 4 - Unknown Status
 #
-# Dependencies: kill
+# Dependencies: kill, rm
 #
 # Todo: LSB does not say that it should call evaluate_retval
 #       It checks for PIDFILE, which is deprecated.
@@ -648,6 +654,12 @@ killproc()
 		pidofproc -s -p "${pidfile}" "${1}"
 	fi
 
+	# Remove stale pidfile
+	if [ "$?" = 1 ]; then
+		boot_mesg "Removing stale pid file: ${pidfile}." ${WARNING}
+		rm -f "${pidfile}"
+	fi
+
     # If running, send the signal
     if [ -n "${pidlist}" ]; then
 	for pid in ${pidlist}