Fix test_posix if RWF_HIPRI is defined but not preadv2. (GH-13980)
If preadv2 is not available, preadv will raise NotImplementedError.
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 5c93d0d..0f07a8f 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -310,6 +310,8 @@
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 NotImplementedError:
+ self.skipTest("preadv2 not available")
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