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base-files: introduce service_kill() into functions.sh - a convenience wrapper for killing services by pid or pidfile with a grace period for termination before kill

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SVN-Revision: 23087
This commit is contained in:
Jo-Philipp Wich
2010-09-19 14:03:32 +00:00
parent 8e9736675f
commit 4815de3f26
2 changed files with 18 additions and 1 deletions
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17
package/base-files/files/etc/functions.sh
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@@ -275,4 +275,21 @@ uci_apply_defaults() {
uci commit
}
service_kill() {
local name="${1}"
local pid="${2:-$(pidof "$name")}"
local grace="${3:-5}"
[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
for pid in $pid; do
[ -d "/proc/$pid" ] || continue
local try=0
kill -TERM $pid 2>/dev/null && \
while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
kill -KILL $pid 2>/dev/null && \
while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
done
}
[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh