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[3.7] bpo-36585: Skip test_preadv_flags if RWF_HIPRI is not supported by the system (GH-12762) #12819

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Merged
miss-islington merged 1 commit into from
Apr 13, 2019
Merged

[3.7] bpo-36585: Skip test_preadv_flags if RWF_HIPRI is not supported by the system (GH-12762) #12819

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8 changes: 8 additions & 0 deletions Lib/test/test_posix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,14 @@ def test_preadv_flags(self):
buf = [bytearray(i) for i in [5, 3, 2]]
self.assertEqual(posix.preadv(fd, buf, 3, os.RWF_HIPRI), 10)
self.assertEqual([b't1tt2', b't3t', b'5t'], list(buf))
except OSError as inst:
# Is possible that the macro RWF_HIPRI was defined at compilation time
# but the option is not supported by the kernel or the runtime libc shared
# library.
if inst.errno in {errno.EINVAL, errno.ENOTSUP}:
raise unittest.SkipTest("RWF_HIPRI is not supported by the current system")
else:
raise
finally:
os.close(fd)

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