package/base-files: add support for the switch LED trigger

[openwrt.git] / package / base-files / files / lib / upgrade / common.sh

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 0870f7d..e97958b 100644 (file)
--- 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
                        ;;