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[144.76.156.219]) by smtp.gmail.com with ESMTPSA id r1-20020a05600c424100b003d9a86a13bfsm1423692wmm.28.2023.01.25.02.48.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jan 2023 02:48:06 -0800 (PST) From: Matthieu Baerts Date: Wed, 25 Jan 2023 11:47:28 +0100 Subject: [PATCH net-next 8/8] selftests: mptcp: userspace: avoid read errors MIME-Version: 1.0 Message-Id: <20230123-upstream-net-next-pm-v4-v6-v1-8-43fac502bfbf@tessares.net> References: <20230123-upstream-net-next-pm-v4-v6-v1-0-43fac502bfbf@tessares.net> In-Reply-To: <20230123-upstream-net-next-pm-v4-v6-v1-0-43fac502bfbf@tessares.net> To: Mat Martineau , Matthieu Baerts , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan Cc: netdev@vger.kernel.org, mptcp@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2122; i=matthieu.baerts@tessares.net; h=from:subject:message-id; bh=6MOG1ZEazJbpV3v3EchrO329puIDO6dd5lQxjWDGRMo=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBj0QjdROHosjdgthf7sJ7fwTT7T291txcJlOXdMy83 0OLZ1G6JAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCY9EI3QAKCRD2t4JPQmmgc7csEA CbPf+IRNTcrGZQC9QI7Yjf/aCMXKOxRtzRhttRiohq7mKvymkfTT4g70DdGz+uRLKD+cK9TkMqd2mv HVH3WfEd+OSehw0Vk/yr3fYuXQewl8dVbg+DA1EagE3EDeUJ0Ztm/y5N2f7Zud34C5b1mWqKShx+dF wg1ybzUvvQu+GCkGL/SqRVNkVSK37EfnYB65gIikXED5CDt/I+wqCi/cOQcmFpjk7/Pfdaj4uhS2mP A/6iMw32sesJ2BMqCVuyCDRxPCOPEiFD22/45KINjXTfVOZGtBYchOynwxDxpTGsOnrWANUWay21xs 7KJ7eIIXLiv+OJM+6+8Fyjl6vW2h5z1msYmcBZjmJMdKFFAGvnx6XGVji524YO3uQECONQolvJoItm Op86B/1iTSVmGpwB7wJJNCTcgWuEB9+GSbRWYyfuKPWgf1YpK4AEHBOCJn74qFvXd0qhHZ8bzKZ6D1 0O/nrR+CJGb4HlMQCrzrr6Xe0KFPfx7UMZg/RiCG9APdhw3Viamh03zD8WfI1Bs0Ocb5x/0K9dwW48 22UiCsU1M11LYEkINUw65f6XsqPO/uwWh7fGmXFHzM9gCg0HeHRi75RV1ztTqey69uMSk5d0aDKuRp RvfrKxDXEYcTaQAG+/nA/RXn78aCdfwHL6oHShYKJXZMf/Mm/6OLUsCoaNNA== X-Developer-Key: i=matthieu.baerts@tessares.net; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org During the cleanup phase, the server pids were killed with a SIGTERM directly, not using a SIGUSR1 first to quit safely. As a result, this test was often ending with two error messages: read: Connection reset by peer While at it, use a for-loop to terminate all the PIDs the same way. Also the different files are now removed after having killed the PIDs using them. It makes more sense to do that in this order. Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts --- tools/testing/selftests/net/mptcp/userspace_pm.sh | 32 +++++++++-------------- 1 file changed, 12 insertions(+), 20 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh index 259382ad552c..66c5be25c13d 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -50,6 +50,9 @@ print_title() kill_wait() { + [ $1 -eq 0 ] && return 0 + + kill -SIGUSR1 $1 > /dev/null 2>&1 kill $1 > /dev/null 2>&1 wait $1 2>/dev/null } @@ -58,32 +61,21 @@ cleanup() { print_title "Cleanup" - rm -rf $file $client_evts $server_evts - # Terminate the MPTCP connection and related processes - if [ $client4_pid -ne 0 ]; then - kill -SIGUSR1 $client4_pid > /dev/null 2>&1 - fi - if [ $server4_pid -ne 0 ]; then - kill_wait $server4_pid - fi - if [ $client6_pid -ne 0 ]; then - kill -SIGUSR1 $client6_pid > /dev/null 2>&1 - fi - if [ $server6_pid -ne 0 ]; then - kill_wait $server6_pid - fi - if [ $server_evts_pid -ne 0 ]; then - kill_wait $server_evts_pid - fi - if [ $client_evts_pid -ne 0 ]; then - kill_wait $client_evts_pid - fi + local pid + for pid in $client4_pid $server4_pid $client6_pid $server6_pid\ + $server_evts_pid $client_evts_pid + do + kill_wait $pid + done + local netns for netns in "$ns1" "$ns2" ;do ip netns del "$netns" done + rm -rf $file $client_evts $server_evts + stdbuf -o0 -e0 printf "Done\n" }