X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6f259421e5cd0733717e80bd4a0a4da1c0aa5200..23c921bb91c80688b07119b1513e05c8f56526db:/package/base-files/files/lib/upgrade/common.sh?ds=sidebyside

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 11e1b2cdf..e97958bf9 100644
--- 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