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zdtm: use unique holder for cgroups

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The idea that each zdtm.py should have own helder, so that two zdtm.py that are
running on the same host don't effect each other.

Fixes: #1774
Signed-off-by: Andrei Vagin <avagin@google.com>
This commit is contained in:
Andrei Vagin
2022-03-20 22:11:19 -07:00
committed by Andrei Vagin
parent 73a783ac17
commit ab6191ccd3
3 changed files with 11 additions and 5 deletions
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6
test/zdtm.py
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@@ -27,6 +27,7 @@ import subprocess
import sys
import tempfile
import time
import uuid
from builtins import input, int, open, range, str, zip
import yaml
@@ -38,6 +39,7 @@ from zdtm.criu_config import criu_config
STREAMED_IMG_FILE_NAME = "img.criu"
prev_line = None
uuid = uuid.uuid4()
def alarm(*args):
@@ -617,12 +619,12 @@ class zdtm_test:
if not os.access("zdtm/lib/libzdtmtst.a", os.F_OK):
subprocess.check_call(["make", "-C", "zdtm/"])
subprocess.check_call(
["flock", "zdtm_mount_cgroups.lock", "./zdtm_mount_cgroups"])
["flock", "zdtm_mount_cgroups.lock", "./zdtm_mount_cgroups", str(uuid)])
@staticmethod
def cleanup():
subprocess.check_call(
["flock", "zdtm_mount_cgroups.lock", "./zdtm_umount_cgroups"])
["flock", "zdtm_mount_cgroups.lock", "./zdtm_umount_cgroups", str(uuid)])
def load_module_from_file(name, path):