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criu/test/inhfd/fifo.py
Andrei Vagin 5aa72e7237 py: Reformat everything into pep8 style
As discussed on the mailing list, current .py files formatting does not
conform to the world standard, so we should better reformat it. For this
the yapf tool is used. The command I used was

  yapf -i $(find -name *.py)

Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
2019-09-07 15:59:56 +03:00

40 lines
917 B
Python
Executable File

import os
import tempfile
id_str = ""
def create_fds():
tdir = tempfile.mkdtemp("zdtm.inhfd.XXXXXX")
if os.system("mount -t tmpfs zdtm.inhfd %s" % tdir) != 0:
raise Exception("Unable to mount tmpfs")
tfifo = os.path.join(tdir, "test_fifo")
os.mkfifo(tfifo)
fd2 = open(tfifo, "w+b", buffering=0)
fd1 = open(tfifo, "rb")
os.system("umount -l %s" % tdir)
os.rmdir(tdir)
mnt_id = -1
with open("/proc/self/fdinfo/%d" % fd1.fileno()) as f:
for line in f:
line = line.split()
if line[0] == "mnt_id:":
mnt_id = int(line[1])
break
else:
raise Exception("Unable to find mnt_id")
global id_str
id_str = "file[%x:%x]" % (mnt_id, os.fstat(fd1.fileno()).st_ino)
return [(fd2, fd1)]
def filename(pipef):
return id_str
def dump_opts(sockf):
return ["--external", id_str]