ltp: fix test_proc_kill hanging

(From OE-Core rev: 725aad58b917533d5f60bc5a8968ac89038ef219)

Signed-off-by: Tudor Florea <tudor.florea@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/ltp/ltp/0035-fix-test_proc_kill-hang.patch

@@ -0,0 +1,23 @@
+Fix test_proc_kill hanging
+
+Sometimes the signal is delivered to memcg_process before the framework took
+into consideration its pid entered in the tasks. Fixed by delaying the signal
+send command.
+
+Signed-off-by: George Nita <george.nita@enea.com>
+Upstream-Status: Pending 
+
+diff --git a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
+index ffbe006..e81bf74 100755
+--- a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
++++ b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
+@@ -220,8 +220,8 @@ test_proc_kill()
+ 
+ 	$TEST_PATH/memcg_process $2 -s $3 &
+ 	pid=$!
+-	sleep 1
+ 	echo $pid > tasks
++	sleep 1
+ 
+ 	kill -s USR1 $pid 2> /dev/null
+ 	sleep 1

meta/recipes-extended/ltp/ltp_20160126.bb

@@ -61,6 +61,7 @@ SRC_URI = "git://github.com/linux-test-project/ltp.git \
            file://0032-regen.sh-Include-asm-unistd.h-explicitly.patch \
            file://0033-shmat1-Cover-GNU-specific-code-under-__USE_GNU.patch \
            file://0034-periodic_output.patch \
+           file://0035-fix-test_proc_kill-hang.patch \
            "
 
 S = "${WORKDIR}/git"