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base-files: rewrite killing of nonessential services to not rely on top, use the proc filesystem only

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SVN-Revision: 29187
This commit is contained in:
Jo-Philipp Wich 2011-11-16 15:01:18 +00:00
parent cabbc9966c
commit 6d80ce78f1
2 changed files with 18 additions and 10 deletions
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2
package/base-files/Makefile
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@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=base-files
PKG_RELEASE:=94
PKG_RELEASE:=95
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
PKG_BUILD_DEPENDS:=opkg/host

26
package/base-files/files/lib/upgrade/common.sh
View File

@ -80,19 +80,27 @@ run_ramfs() { # <command> [...]
kill_remaining() { # [ <signal> ]
local sig="${1:-TERM}"
echo -n "Sending $sig to remaining processes ... "
/bin/busybox top -bn1 2>/dev/null | while read pid ppid user stat vsz pvsz pcpu cmd args; do
case "$pid" in
[0-9]*) : ;;
*) continue ;;
esac
case "$cmd" in
# Skip kernel threads and essential services
\[*\]|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*ubusd*|*netifd*|*hostapd*|*wpa_supplicant*|*udhcpc*) : ;;
local stat
for stat in /proc/[0-9]*/stat; do
local pid name state ppid rest
read pid name state ppid rest < $stat
name="${name#(}"; name="${name%)}"
local cmdline
read cmdline < /proc/$pid/cmdline
# Skip kernel threads
[ -n "$cmdline" ] || continue
case "$name" in
# Skip essential services
*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*ubusd*|*netifd*|*hostapd*|*wpa_supplicant*|*udhcpc*) : ;;
# Killable process
*)
if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
echo -n "${cmd##*/} "
echo -n "$name "
kill -$sig $pid 2>/dev/null
fi
;;