From 177c6e6ea0f31ea4aeebbd4321ea6f76014b9f47 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 19 Sep 2010 14:03:32 +0000
Subject: [package] 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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23087 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/base-files/files/etc/functions.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'package/base-files/files')

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index d5ffc13535..c5df49970b 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -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
-- 
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