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/files/lib/upgrade/common.sh | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'package/base-files/files/lib') 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 -- cgit v1.1