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https://github.com/python/cpython/commit/50f9b0b1e0fb181875751cef951351ed007b6397
commit: 50f9b0b1e0fb181875751cef951351ed007b6397
branch: main
author: Victor Stinner <vstinner@python.org>
committer: vstinner <vstinner@python.org>
date: 2024-03-21T22:17:09Z
summary:

gh-117061: Fix test_posix.test_sched_setaffinity() on RHEL9 (#117126)

On RHEL9, sched_setaffinity(0, []) does not fail.

files:
M Lib/test/test_posix.py

diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 2706d5eb6d9830..1d22869046fd12 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])

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