diff options
| -rw-r--r-- | Lib/test/test_select.py | 13 | ||||
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/selectmodule.c | 8 |
3 files changed, 12 insertions, 12 deletions
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py index a463868f62..8813c6ed1b 100644 --- a/Lib/test/test_select.py +++ b/Lib/test/test_select.py @@ -4,6 +4,8 @@ import select import os import sys +@unittest.skipIf(sys.platform[:3] in ('win', 'mac', 'os2', 'riscos'), + "can't easily test on this system") class SelectTestCase(unittest.TestCase): class Nope: @@ -19,11 +21,14 @@ class SelectTestCase(unittest.TestCase): self.assertRaises(TypeError, select.select, [self.Almost()], [], []) self.assertRaises(TypeError, select.select, [], [], [], "not a number") + def test_returned_list_identity(self): + # See issue #8329 + r, w, x = select.select([], [], [], 1) + self.assertIsNot(r, w) + self.assertIsNot(r, x) + self.assertIsNot(w, x) + def test_select(self): - if sys.platform[:3] in ('win', 'mac', 'os2', 'riscos'): - if support.verbose: - print("Can't test select easily on", sys.platform) - return cmd = 'for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done' p = os.popen(cmd, 'r') for tout in (0, 1, 2, 4, 8, 16) + (None,)*10: @@ -12,6 +12,9 @@ What's New in Python 3.2 Alpha 1? Core and Builtins ----------------- +- Issue #8329: Don't return the same lists from select.select when no fds are + changed. + - Issue #8259: 1L << (2**31) no longer produces an 'outrageous shift error' on 64-bit machines. The shift count for either left or right shift is permitted to be up to sys.maxsize. diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c index c13bab91fc..1c021ba61b 100644 --- a/Modules/selectmodule.c +++ b/Modules/selectmodule.c @@ -284,14 +284,6 @@ select_select(PyObject *self, PyObject *args) PyErr_SetFromErrno(SelectError); } #endif - else if (n == 0) { - /* optimization */ - ifdlist = PyList_New(0); - if (ifdlist) { - ret = PyTuple_Pack(3, ifdlist, ifdlist, ifdlist); - Py_DECREF(ifdlist); - } - } else { /* any of these three calls can raise an exception. it's more convenient to test for this after all three calls... but |