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bpo-38692: Skip test_posix.test_pidfd_open() on EPERM (GH-17290) 

Skip the test_posix.test_pidfd_open() test if os.pidfd_open() fails
with a PermissionError. This situation can happen in a Linux sandbox
using a syscall whitelist which doesn't allow the pidfd_open()
syscall yet (like systemd-nspawn).
This commit is contained in:
Victor Stinner 2019-11-21 12:54:54 +01:00 committed by GitHub
parent 0127bb1c5c
commit 3ab479a2d1
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2 changed files with 5 additions and 0 deletions
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2
Lib/test/test_posix.py
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@ -1476,6 +1476,8 @@ class PosixTester(unittest.TestCase):
os.pidfd_open(-1)
if cm.exception.errno == errno.ENOSYS:
self.skipTest("system does not support pidfd_open")
if isinstance(cm.exception, PermissionError):
self.skipTest(f"pidfd_open syscall blocked: {cm.exception!r}")
self.assertEqual(cm.exception.errno, errno.EINVAL)
os.close(os.pidfd_open(os.getpid(), 0))

3
Misc/NEWS.d/next/Tests/2019-11-20-15-42-06.bpo-38692.aqAvyF.rst Normal file
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@ -0,0 +1,3 @@
Skip the test_posix.test_pidfd_open() test if ``os.pidfd_open()`` fails with a
:exc:`PermissionError`. This situation can happen in a Linux sandbox using a
syscall whitelist which doesn't allow the ``pidfd_open()`` syscall yet.