gh-95672 skip fcntl when pipesize is smaller than pagesize (gh-102163)

1 files changed, 3 insertions, 2 deletions

diff --git a/Lib/test/test_fcntl.py b/Lib/test/test_fcntl.py
index 26de67d..5da7561 100644
--- a/Lib/test/test_fcntl.py
+++ b/Lib/test/test_fcntl.py
@@ -6,7 +6,7 @@ import os
 import struct
 import sys
 import unittest
-from test.support import verbose, cpython_only
+from test.support import verbose, cpython_only, get_pagesize
 from test.support.import_helper import import_module
 from test.support.os_helper import TESTFN, unlink
 
@@ -201,7 +201,8 @@ class TestFcntl(unittest.TestCase):
             # Get the default pipesize with F_GETPIPE_SZ
             pipesize_default = fcntl.fcntl(test_pipe_w, fcntl.F_GETPIPE_SZ)
             pipesize = pipesize_default // 2  # A new value to detect change.
-            if pipesize < 512:  # the POSIX minimum
+            pagesize_default = get_pagesize()
+            if pipesize < pagesize_default:  # the POSIX minimum
                 raise unittest.SkipTest(
                     'default pipesize too small to perform test.')
             fcntl.fcntl(test_pipe_w, fcntl.F_SETPIPE_SZ, pipesize)