gh-152433: Windows: _winapi module: improve UWP compatibility (#152962)

Author: thexai

Misc/NEWS.d/next/Windows/2026-07-03-17-07-40.gh-issue-152433.Lc6HmG.rst

@@ -0,0 +1 @@
+``_winapi`` module: improve UWP compatibility

Modules/_winapi.c

@@ -1211,6 +1211,7 @@ gethandlelist(PyObject *mapping, const char *name, Py_ssize_t *size)
     return ret;
 }
 
+#ifdef MS_WINDOWS_DESKTOP
 typedef struct {
     LPPROC_THREAD_ATTRIBUTE_LIST attribute_list;
     LPHANDLE handle_list;
@@ -1322,6 +1323,7 @@ getattributelist(PyObject *obj, const char *name, AttributeList *attribute_list)
 
     return ret;
 }
+#endif
 
 /*[clinic input]
 _winapi.CreateProcess
@@ -1355,6 +1357,9 @@ _winapi_CreateProcess_impl(PyObject *module, const wchar_t *application_name,
                            PyObject *startup_info)
 /*[clinic end generated code: output=a25c8e49ea1d6427 input=84e2175279a3f5c2]*/
 {
+#ifndef MS_WINDOWS_DESKTOP
+    return NULL;
+#else
     PyObject *ret = NULL;
     BOOL result;
     PROCESS_INFORMATION pi;
@@ -1436,6 +1441,7 @@ _winapi_CreateProcess_impl(PyObject *module, const wchar_t *application_name,
     freeattributelist(&attribute_list);
 
     return ret;
+#endif
 }
 
 /*[clinic input]
@@ -2591,7 +2597,9 @@ _winapi_BatchedWaitForMultipleObjects_impl(PyObject *module,
     while (--thread_count >= 0) {
         HANDLE t = thread_data[thread_count]->thread;
         if (t) {
+#ifdef MS_WINDOWS_DESKTOP
             TerminateThread(t, WAIT_ABANDONED_0);
+#endif
             CloseHandle(t);
         }
         PyMem_Free((void *)thread_data[thread_count]);
@@ -2785,7 +2793,11 @@ static PyObject *
 _winapi_GetOEMCP_impl(PyObject *module)
 /*[clinic end generated code: output=4def5b07a8be1b3b input=e8caf4353a28e28e]*/
 {
+#ifndef MS_WINDOWS_DESKTOP
+    return NULL;
+#else
     return PyLong_FromUnsignedLong(GetOEMCP());
+#endif
 }
 
 /*[clinic input]