If the sysupgrade scripts is called under upgraded, it will not kill all other processes as it should to avoid interference by locked filesystem. This patch checks the parent and if it is upgraded, it kills all.
Signed-off-by: André Valentin <[email protected]> --- package/base-files/files/lib/upgrade/common.sh | 39 ++++++++++++++++-------- 1 file changed, 27 insertions(+), 12 deletions(-) diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 6f1880f..ba9de99 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -99,6 +99,13 @@ kill_remaining() { # [ <signal> ] local sig="${1:-TERM}" echo -n "Sending $sig to remaining processes ... " + local my_pid=$$ + local my_ppid=$(cut -d' ' -f4 /proc/$my_pid/stat) + local my_ppisupgraded= + grep -q upgraded /proc/$my_ppid/cmdline >/dev/null && { + local my_ppisupgraded=1 + } + local stat for stat in /proc/[0-9]*/stat; do [ -f "$stat" ] || continue @@ -113,18 +120,26 @@ kill_remaining() { # [ <signal> ] # Skip kernel threads [ -n "$cmdline" ] || continue - case "$name" in - # Skip essential services - *procd*|*upgraded*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*|*nas*) : ;; - - # Killable process - *) - if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then - echo -n "$name " - kill -$sig $pid 2>/dev/null - fi - ;; - esac + if [ $$ -eq 1 ] || [ $my_ppid -eq 1 ] && [ -n "$my_ppisupgraded" ]; then + # Running as init process, kill everything except me + if [ $pid -ne $$ ] && [ $pid -ne $my_ppid ]; then + echo -n "$name " + kill -$sig $pid 2>/dev/null + fi + else + case "$name" in + # Skip essential services + *procd*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*|*nas*) : ;; + + # Killable process + *) + if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then + echo -n "$name " + kill -$sig $pid 2>/dev/null + fi + ;; + esac + fi done echo "" } -- 1.7.10.4 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
