From 1460ccefd07f0d6d0e97409295796a5d5730a26e Mon Sep 17 00:00:00 2001
From: Max Bachmann <kontakt@maxbachmann.de>
Date: Wed, 7 May 2025 21:47:05 +0200
Subject: [PATCH] gh-133537: Avoid using console I/O in WinAPI partitions that
 don't support it (GH-133538)

---
 .../Windows/2025-05-07-08-19-15.gh-issue-133537.yzf963.rst    | 1 +
 Modules/posixmodule.c                                         | 4 ++++
 2 files changed, 5 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Windows/2025-05-07-08-19-15.gh-issue-133537.yzf963.rst

diff --git a/Misc/NEWS.d/next/Windows/2025-05-07-08-19-15.gh-issue-133537.yzf963.rst b/Misc/NEWS.d/next/Windows/2025-05-07-08-19-15.gh-issue-133537.yzf963.rst
new file mode 100644
index 00000000000..94e45f9d8ee
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2025-05-07-08-19-15.gh-issue-133537.yzf963.rst
@@ -0,0 +1 @@
+Avoid using console I/O in WinAPI partitions that don’t support it
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 2bb5f387e44..9cc0533f0dc 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -16875,12 +16875,16 @@ static PyObject *
 os__supports_virtual_terminal_impl(PyObject *module)
 /*[clinic end generated code: output=bd0556a6d9d99fe6 input=0752c98e5d321542]*/
 {
+#ifdef HAVE_WINDOWS_CONSOLE_IO
     DWORD mode = 0;
     HANDLE handle = GetStdHandle(STD_ERROR_HANDLE);
     if (!GetConsoleMode(handle, &mode)) {
         Py_RETURN_FALSE;
     }
     return PyBool_FromLong(mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING);
+#else
+    Py_RETURN_FALSE;
+#endif /* HAVE_WINDOWS_CONSOLE_IO */
 }
 #endif