From 50f9b0b1e0fb181875751cef951351ed007b6397 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Thu, 21 Mar 2024 23:17:09 +0100 Subject: [PATCH] gh-117061: Fix test_posix.test_sched_setaffinity() on RHEL9 (#117126) On RHEL9, sched_setaffinity(0, []) does not fail. --- Lib/test/test_posix.py | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py index 2706d5eb6d9..1d22869046f 100644 --- a/Lib/test/test_posix.py +++ b/Lib/test/test_posix.py @@ -1335,12 +1335,21 @@ def test_sched_getaffinity(self): def test_sched_setaffinity(self): mask = posix.sched_getaffinity(0) self.addCleanup(posix.sched_setaffinity, 0, list(mask)) + if len(mask) > 1: # Empty masks are forbidden mask.pop() posix.sched_setaffinity(0, mask) self.assertEqual(posix.sched_getaffinity(0), mask) - self.assertRaises(OSError, posix.sched_setaffinity, 0, []) + + try: + posix.sched_setaffinity(0, []) + # gh-117061: On RHEL9, sched_setaffinity(0, []) does not fail + except OSError: + # sched_setaffinity() manual page documents EINVAL error + # when the mask is empty. + pass + self.assertRaises(ValueError, posix.sched_setaffinity, 0, [-10]) self.assertRaises(ValueError, posix.sched_setaffinity, 0, map(int, "0X")) self.assertRaises(OverflowError, posix.sched_setaffinity, 0, [1<<128])