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[tests] fix test_fcntl issue when run in a ChromeOS linux runtime #133053

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Merged
merged 2 commits into from
Apr 27, 2025
+8 −2
Merged

[tests] fix test_fcntl issue when run in a ChromeOS linux runtime #133053

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544cba8
[tests] test_fcntl fails when run in a ChromeOS linux runtime container.
gpshead Apr 27, 2025
72026de
update the bug ref to GH-
gpshead Apr 27, 2025
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10 changes: 8 additions & 2 deletions Lib/test/test_fcntl.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
"""Test program for the fcntl C module.
"""
import errno
import multiprocessing
import platform
import os
Expand Down Expand Up @@ -135,16 +136,21 @@ def test_fcntl_bad_file_overflow(self):
or platform.system() == "Android",
"this platform returns EINVAL for F_NOTIFY DN_MULTISHOT")
def test_fcntl_64_bit(self):
# Issue #1309352: fcntl shouldn't fail when the third arg fits in a
# Issue GH-42434: fcntl shouldn't fail when the third arg fits in a
# C 'long' but not in a C 'int'.
try:
cmd = fcntl.F_NOTIFY
# This flag is larger than 2**31 in 64-bit builds
# DN_MULTISHOT is >= 2**31 in 64-bit builds
flags = fcntl.DN_MULTISHOT
except AttributeError:
self.skipTest("F_NOTIFY or DN_MULTISHOT unavailable")
fd = os.open(os.path.dirname(os.path.abspath(TESTFN)), os.O_RDONLY)
try:
try:
fcntl.fcntl(fd, cmd, fcntl.DN_DELETE)
except OSError as exc:
if exc.errno == errno.EINVAL:
self.skipTest("F_NOTIFY not available by this environment")
fcntl.fcntl(fd, cmd, flags)
finally:
os.close(fd)
Expand Down
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