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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29187 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2011-11-16 15:01:18 +00:00
parent 27847c0b9b
commit c76c2b27fd
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 include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=base-files PKG_NAME:=base-files
PKG_RELEASE:=94 PKG_RELEASE:=95
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/ PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
PKG_BUILD_DEPENDS:=opkg/host 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> ] kill_remaining() { # [ <signal> ]
local sig="${1:-TERM}" local sig="${1:-TERM}"
echo -n "Sending $sig to remaining processes ... " 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 local stat
[0-9]*) : ;; for stat in /proc/[0-9]*/stat; do
*) continue ;; local pid name state ppid rest
esac read pid name state ppid rest < $stat
case "$cmd" in name="${name#(}"; name="${name%)}"
# Skip kernel threads and essential services
\[*\]|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*ubusd*|*netifd*|*hostapd*|*wpa_supplicant*|*udhcpc*) : ;; 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 # Killable process
*) *)
if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
echo -n "${cmd##*/} " echo -n "$name "
kill -$sig $pid 2>/dev/null kill -$sig $pid 2>/dev/null
fi fi
;; ;;