kernel: update linux 3.2 to 3.2.12

[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 11e1b2c..e97958b 100644 (file)
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -48,7 +48,12 @@ pivot() { # <new_root> <old_root>
 }
 
 run_ramfs() { # <command> [...]
-       install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump /bin/sleep /bin/zcat /usr/bin/bzcat
+       install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount        \
+               /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd   \
+               /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" \
+               /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump          \
+               /bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc
+
        install_bin /sbin/mtd
        for file in $RAMFS_COPY_BIN; do
                install_bin $file
@@ -72,6 +77,38 @@ run_ramfs() { # <command> [...]
        exec /bin/busybox ash -c "$*"
 }
 
+kill_remaining() { # [ <signal> ]
+       local sig="${1:-TERM}"
+       echo -n "Sending $sig to remaining processes ... "
+
+       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 "$name "
+                                       kill -$sig $pid 2>/dev/null
+                               fi
+                       ;;
+               esac
+       done
+       echo ""
+}
+
 run_hooks() {
        local arg="$1"; shift
        for func in "$@"; do