From 52e93e54bca8aecf3846b8924e7ae15e497cdc2a Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Thu, 27 Oct 2011 16:52:31 +0000 Subject: base-files: sysupgrade: kill all but essential processes before starting the update SVN-Revision: 28626 --- package/base-files/Makefile | 2 +- package/base-files/files/lib/upgrade/common.sh | 24 ++++++++++++++++++++++++ package/base-files/files/sbin/sysupgrade | 5 +++++ 3 files changed, 30 insertions(+), 1 deletion(-) (limited to 'package/base-files') diff --git a/package/base-files/Makefile b/package/base-files/Makefile index 7e895f1..5afe3dc 100644 --- a/package/base-files/Makefile +++ b/package/base-files/Makefile @@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=base-files -PKG_RELEASE:=84 +PKG_RELEASE:=85 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/ PKG_BUILD_DEPENDS:=opkg/host diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 65ce816..2126ca1 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -77,6 +77,30 @@ run_ramfs() { # [...] exec /bin/busybox ash -c "$*" } +kill_remaining() { # [ ] + local sig="${1:-TERM}" + echo -n "Sending $sig to remaing processes ... " + top -bn1 | while read pid ppid user stat vsz pvsz pcpu cmd args; do + case "$pid" in + [0-9]*) : ;; + *) continue ;; + esac + case "$cmd" in + # Skip kernel threads and essential services + \[*\]|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*) : ;; + + # Killable process + *) + if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then + echo -n "${cmd##*/} " + kill -$sig $pid 2>/dev/null + fi + ;; + esac + done + echo "" +} + run_hooks() { local arg="$1"; shift for func in "$@"; do diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade index 7efb2b4..d251cc9 100755 --- a/package/base-files/files/sbin/sysupgrade +++ b/package/base-files/files/sbin/sysupgrade @@ -127,6 +127,11 @@ elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then else export SAVE_CONFIG=0 fi + +kill_remaining TERM +sleep 3 +kill_remaining KILL + run_hooks "" $sysupgrade_pre_upgrade if [ -n "$(rootfs_type)" ]; then -- cgit v1.1