https://github.com/python/cpython/commit/1bf86c134a5260876ad31fb32b832cbea24c21ad
commit: 1bf86c134a5260876ad31fb32b832cbea24c21ad
branch: main
author: Serhiy Storchaka <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2026-07-22T12:05:06+03:00
summary:

gh-154437: Fix test_getcwd_long_path on DragonFly BSD (GH-154438)

DragonFly BSD raises EFAULT instead of ENAMETOOLONG when the path
exceeds PATH_MAX.

Co-authored-by: Claude Opus 4.8 <[email protected]>

files:
M Lib/test/test_os/test_os.py

diff --git a/Lib/test/test_os/test_os.py b/Lib/test/test_os/test_os.py
index c62bceb25cabe0..3e5ad52c4ab130 100644
--- a/Lib/test/test_os/test_os.py
+++ b/Lib/test/test_os/test_os.py
@@ -156,7 +156,8 @@ def test_getcwd_long_path(self):
                         # ("The filename or extension is too long")
                         break
                     except OSError as exc:
-                        if exc.errno == errno.ENAMETOOLONG:
+                        # DragonFly BSD raises EFAULT for a too long path.
+                        if exc.errno in (errno.ENAMETOOLONG, errno.EFAULT):
                             break
                         else:
                             raise

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