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author | Jo-Philipp Wich <jow@openwrt.org> | 2011-11-16 15:01:18 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2011-11-16 15:01:18 +0000 |
commit | 6d80ce78f1a7961dbe7ad63cbc79e36cdae4edf7 (patch) | |
tree | 5ed39ba3087ed83f99749456b1df6bd2c9f753ea /package/base-files/files/lib/upgrade | |
parent | cabbc9966c6b415f4bcff326f72ff029f9ddae22 (diff) | |
download | master-31e0f0ae-6d80ce78f1a7961dbe7ad63cbc79e36cdae4edf7.tar.gz master-31e0f0ae-6d80ce78f1a7961dbe7ad63cbc79e36cdae4edf7.tar.bz2 master-31e0f0ae-6d80ce78f1a7961dbe7ad63cbc79e36cdae4edf7.zip |
base-files: rewrite killing of nonessential services to not rely on top, use the proc filesystem only
SVN-Revision: 29187
Diffstat (limited to 'package/base-files/files/lib/upgrade')
-rw-r--r-- | package/base-files/files/lib/upgrade/common.sh | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 0870f7de5c..e97958bf9b 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -80,19 +80,27 @@ run_ramfs() { # <command> [...] kill_remaining() { # [ <signal> ] local sig="${1:-TERM}" echo -n "Sending $sig to remaining processes ... " - /bin/busybox top -bn1 2>/dev/null | while read pid ppid user stat vsz pvsz pcpu cmd args; do - case "$pid" in - [0-9]*) : ;; - *) continue ;; - esac - case "$cmd" in - # Skip kernel threads and essential services - \[*\]|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*ubusd*|*netifd*|*hostapd*|*wpa_supplicant*|*udhcpc*) : ;; + + 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 "${cmd##*/} " + echo -n "$name " kill -$sig $pid 2>/dev/null fi ;; |