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Fix test_posix if RWF_HIPRI is defined but not preadv2. (GH-13980) 

If preadv2 is not available, preadv will raise NotImplementedError.
(cherry picked from commit 44867bb937)

Co-authored-by: Benjamin Peterson <benjamin@python.org>
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Miss Islington (bot) 2019-06-11 10:33:36 -07:00 committed by GitHub
parent fad89046e1
commit 22e8a6d013
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Lib/test/test_posix.py
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@ -308,6 +308,8 @@ class PosixTester(unittest.TestCase):
buf = [bytearray(i) for i in [5, 3, 2]] buf = [bytearray(i) for i in [5, 3, 2]]
self.assertEqual(posix.preadv(fd, buf, 3, os.RWF_HIPRI), 10) self.assertEqual(posix.preadv(fd, buf, 3, os.RWF_HIPRI), 10)
self.assertEqual([b't1tt2', b't3t', b'5t'], list(buf)) self.assertEqual([b't1tt2', b't3t', b'5t'], list(buf))
except NotImplementedError:
self.skipTest("preadv2 not available")
except OSError as inst: except OSError as inst:
# Is possible that the macro RWF_HIPRI was defined at compilation time # 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 # but the option is not supported by the kernel or the runtime libc shared