netdev - [RFC 3/7] selftests: openvswitch: use non-graceful kills when needed

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Message-ID: <20240216152846.1850120-4-aconole@redhat.com>
Date: Fri, 16 Feb 2024 10:28:42 -0500
From: Aaron Conole <aconole@...hat.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Pravin B Shelar <pshelar@....org>,
	dev@...nvswitch.org,
	Ilya Maximets <i.maximets@....org>,
	Simon Horman <horms@....org>,
	Eelco Chaudron <echaudro@...hat.com>,
	Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org
Subject: [RFC 3/7] selftests: openvswitch: use non-graceful kills when needed

Normally a spawned process under OVS is given a SIGTERM when the test
ends as part of cleanup.  However, in case the process is still lingering
for some reason, we also send a SIGKILL to force it down faster.

Signed-off-by: Aaron Conole <aconole@...hat.com>
---
 tools/testing/selftests/net/openvswitch/openvswitch.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh
index a5dbde482ba4..678a72ad47c1 100755
--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh
+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
@@ -91,7 +91,8 @@ ovs_add_if () {
 		python3 $ovs_base/ovs-dpctl.py add-if \
 		    -u "$2" "$3" >$ovs_dir/$3.out 2>$ovs_dir/$3.err &
 		pid=$!
-		on_exit "ovs_sbx $1 kill -TERM $pid 2>/dev/null"
+		on_exit "ovs_sbx $1 kill --timeout 1000 TERM \
+                                        --timeout 1000 KILL $pid 2>/dev/null"
 	fi
 }
 
@@ -108,7 +109,8 @@ ovs_netns_spawn_daemon() {
 	info "spawning cmd: $*"
 	ip netns exec $netns $*  >> $ovs_dir/stdout  2>> $ovs_dir/stderr &
 	pid=$!
-	ovs_sbx "$sbx" on_exit "kill -TERM $pid 2>/dev/null"
+	ovs_sbx "$sbx" on_exit "kill --timeout 1000 TERM \
+                                    --timeout 1000 KILL $pid 2>/dev/null"
 }
 
 ovs_add_netns_and_veths () {
-- 
2.41.0