[CRIU] [PATCH 6/6] zdtm: Add test for mount namespace w/o mountpoints

[Andrew Vagin]

The subject sounds like umount("/", MNT_DETACH) ;)

On Thu, Jun 05, 2014 at 08:19:14PM +0400, Pavel Emelyanov wrote:
> Signed-off-by: Pavel Emelyanov <xemul at parallels.com>
> 
> ---
>  test/zdtm.sh                        |  2 ++
>  test/zdtm/live/static/Makefile      |  1 +
>  test/zdtm/live/static/clean_mntns.c | 25 +++++++++++++++++++++++++
>  3 files changed, 28 insertions(+)
>  create mode 100644 test/zdtm/live/static/clean_mntns.c
> 
> diff --git a/test/zdtm.sh b/test/zdtm.sh
> index 7486fd8..e66a872 100755
> --- a/test/zdtm.sh
> +++ b/test/zdtm.sh
> @@ -138,6 +138,7 @@ ns/static/tun
>  static/netns-nf
>  static/netns
>  static/cgroup00
> +ns/static/clean_mntns
>  "
>  
>  TEST_CR_KERNEL="
> @@ -168,6 +169,7 @@ bind-mount
>  mountpoints
>  inotify_irmap
>  cgroup00
> +clean_mntns
>  "
>  
>  source $(readlink -f `dirname $0`/env.sh) || exit 1
> diff --git a/test/zdtm/live/static/Makefile b/test/zdtm/live/static/Makefile
> index 23f988f..4d275f5 100644
> --- a/test/zdtm/live/static/Makefile
> +++ b/test/zdtm/live/static/Makefile
> @@ -108,6 +108,7 @@ TST_NOFILE	=				\
>  		tun				\
>  		stopped				\
>  		rtc				\
> +		clean_mntns			\
>  #		jobctl00			\
>  
>  TST_FILE	=				\
> diff --git a/test/zdtm/live/static/clean_mntns.c b/test/zdtm/live/static/clean_mntns.c
> new file mode 100644
> index 0000000..9f5f140
> --- /dev/null
> +++ b/test/zdtm/live/static/clean_mntns.c
> @@ -0,0 +1,25 @@
> +#include <errno.h>
> +#include <unistd.h>
> +#include <sys/mount.h>
> +
> +#include "zdtmtst.h"
> +
> +const char *test_doc	= "Check that clean mntns works";
> +const char *test_author	= "Pavel Emelianov <xemul at parallels.com>";
> +
> +int main(int argc, char **argv)
> +{
> +	test_init(argc, argv);
> +
> +	if (umount("/proc") < 0)
> +		err("Can't umount proc\n");
> +
> +	if (umount("/dev/pts") < 0)
> +		err("Can't umount devpts\n");
> +
> +	test_daemon();
> +	test_waitsig();
> +
> +	pass();
> +	return 0;
> +}
> -- 
> 1.8.4.2
> _______________________________________________
> CRIU mailing list
> CRIU at openvz.org
> https://lists.openvz.org/mailman/listinfo/criu