[CRIU] [PATCH] zdtm: don't run file_locks* tests simultaneously

[Pavel Emelyanov]

On 09/16/2015 06:41 PM, Andrew Vagin wrote:
> /proc/locks can contains the same locks twice, if someone
> releases a lock when we are reading this file.
> 
> Signed-off-by: Andrew Vagin <avagin at openvz.org>
> ---
>  test/zdtm.sh | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/test/zdtm.sh b/test/zdtm.sh
> index f12156a..89b3ec3 100755
> --- a/test/zdtm.sh
> +++ b/test/zdtm.sh
> @@ -1173,7 +1173,11 @@ if [ $SPECIFIED_NAME_USED -eq 1 ]; then
>  		exit 1
>  	fi
>  	$CRIU check -v0 --feature "mnt_id" || export ZDTM_NOSUBNS=1
> -	run_test $1 || case_error $1
> +	# don't run file_locks* tests simultaneously
> +	(
> +		expr $1 : ".*file_locks" > /dev/null && flock 10
> +		run_test $1 10<&-
> +	) 10<zdtm.sh || case_error $1

O_O

What?

>  else
>  	if [ $# -eq 0 ]; then
>  		pattern='.*'
>