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author | Jo-Philipp Wich <jow@openwrt.org> | 2011-10-27 16:52:31 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2011-10-27 16:52:31 +0000 |
commit | 52e93e54bca8aecf3846b8924e7ae15e497cdc2a (patch) | |
tree | f7898d622351d54ce26b26210a1ff6bde6822661 | |
parent | 825658977f19c135acadc1ae741e376f796446a5 (diff) | |
download | master-31e0f0ae-52e93e54bca8aecf3846b8924e7ae15e497cdc2a.tar.gz master-31e0f0ae-52e93e54bca8aecf3846b8924e7ae15e497cdc2a.tar.bz2 master-31e0f0ae-52e93e54bca8aecf3846b8924e7ae15e497cdc2a.zip |
base-files: sysupgrade: kill all but essential processes before starting the update
SVN-Revision: 28626
-rw-r--r-- | package/base-files/Makefile | 2 | ||||
-rw-r--r-- | package/base-files/files/lib/upgrade/common.sh | 24 | ||||
-rwxr-xr-x | package/base-files/files/sbin/sysupgrade | 5 |
3 files changed, 30 insertions, 1 deletions
diff --git a/package/base-files/Makefile b/package/base-files/Makefile index 7e895f1d31..5afe3dc6ef 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)/ $(GENERIC_PLATFORM_DIR)/base-files/ PKG_BUILD_DEPENDS:=opkg/host diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 65ce816db2..2126ca1c38 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -77,6 +77,30 @@ run_ramfs() { # <command> [...] exec /bin/busybox ash -c "$*" } +kill_remaining() { # [ <signal> ] + 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 7efb2b4365..d251cc914f 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 |