[3.11] pythongh-118201: Accomodate flaky behavior of os.sysconf on iOS (pythonGH-118453)

freakboy3742 · freakboy3742 · commit bc9ec884829e · 2024-12-13T13:55:05.000+08:00
diff --git a/Lib/test/support/os_helper.py b/Lib/test/support/os_helper.py
@@ -613,7 +613,8 @@ def fd_count():
     if hasattr(os, 'sysconf'):
         try:
             MAXFD = os.sysconf("SC_OPEN_MAX")
-        except OSError:
+        except (OSError, ValueError):
+            # gh-118201: ValueError is raised intermittently on iOS
             pass
 
     old_modes = None
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
@@ -2298,6 +2298,7 @@ def test_fchown(self):
         support.is_emscripten or support.is_wasi,
         "musl libc issue on Emscripten/WASI, bpo-46390"
     )
+    @unittest.skipIf(support.is_apple_mobile, "gh-118201: Test is flaky on iOS")
     def test_fpathconf(self):
         self.check(os.pathconf, "PC_NAME_MAX")
         self.check(os.fpathconf, "PC_NAME_MAX")

Original file line number	Diff line number	Diff line change
`@@ -2298,6 +2298,7 @@ def test_fchown(self):`
`2298`	`2298`	`support.is_emscripten or support.is_wasi,`
`2299`	`2299`	`"musl libc issue on Emscripten/WASI, bpo-46390"`
`2300`	`2300`	`)`
	`2301`	`+ @unittest.skipIf(support.is_apple_mobile, "gh-118201: Test is flaky on iOS")`
`2301`	`2302`	`def test_fpathconf(self):`
`2302`	`2303`	`self.check(os.pathconf, "PC_NAME_MAX")`
`2303`	`2304`	`self.check(os.fpathconf, "PC_NAME_MAX")`