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authorJo-Philipp Wich <jow@openwrt.org>2011-11-16 15:01:18 +0000
committerJo-Philipp Wich <jow@openwrt.org>2011-11-16 15:01:18 +0000
commit18290fc7dbfd2726ff964422f1d0f4f9511e036c (patch)
tree6b7eabc31356a580d152c1d6a16a725bb31f8847
parentad5b9f001c67413636b3aaa4f6e4a83ce8f6380c (diff)
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[package] base-files: rewrite killing of nonessential services to not rely on top, use the proc filesystem only
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29187 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--package/base-files/Makefile2
-rw-r--r--package/base-files/files/lib/upgrade/common.sh26
2 files changed, 18 insertions, 10 deletions
diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 90c68cd175..61043c295a 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -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)/ $(GENERIC_PLATFORM_DIR)/base-files/
PKG_BUILD_DEPENDS:=opkg/host
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 0870f7de5c..e97958bf9b 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -80,19 +80,27 @@ run_ramfs() { # <command> [...]
kill_remaining() { # [ <signal> ]
local sig="${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
;;