Library import 16 (#2433)

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1 files changed, 0 insertions, 2590 deletions

diff --git a/contrib/tools/python3/src/Modules/_winapi.c b/contrib/tools/python3/src/Modules/_winapi.c
deleted file mode 100644
index 2784a815696..00000000000
--- a/contrib/tools/python3/src/Modules/_winapi.c
+++ /dev/null
@@ -1,2590 +0,0 @@
-/*
- * Support routines from the Windows API
- *
- * This module was originally created by merging PC/_subprocess.c with
- * Modules/_multiprocessing/win32_functions.c.
- *
- * Copyright (c) 2004 by Fredrik Lundh <[email protected]>
- * Copyright (c) 2004 by Secret Labs AB, http://www.pythonware.com
- * Copyright (c) 2004 by Peter Astrand <[email protected]>
- *
- * By obtaining, using, and/or copying this software and/or its
- * associated documentation, you agree that you have read, understood,
- * and will comply with the following terms and conditions:
- *
- * Permission to use, copy, modify, and distribute this software and
- * its associated documentation for any purpose and without fee is
- * hereby granted, provided that the above copyright notice appears in
- * all copies, and that both that copyright notice and this permission
- * notice appear in supporting documentation, and that the name of the
- * authors not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission.
- *
- * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
- * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-/* Licensed to PSF under a Contributor Agreement. */
-/* See https://www.python.org/2.4/license for licensing details. */
-
-#include "Python.h"
-#include "pycore_moduleobject.h"  // _PyModule_GetState()
-#include "structmember.h"         // PyMemberDef
-
-
-#ifndef WINDOWS_LEAN_AND_MEAN
-#define WINDOWS_LEAN_AND_MEAN
-#endif
-#include "windows.h"
-#include <winioctl.h>
-#include <crtdbg.h>
-#include "winreparse.h"
-
-#if defined(MS_WIN32) && !defined(MS_WIN64)
-#define HANDLE_TO_PYNUM(handle) \
-    PyLong_FromUnsignedLong((unsigned long) handle)
-#define PYNUM_TO_HANDLE(obj) ((HANDLE)PyLong_AsUnsignedLong(obj))
-#define F_POINTER "k"
-#define T_POINTER T_ULONG
-#else
-#define HANDLE_TO_PYNUM(handle) \
-    PyLong_FromUnsignedLongLong((unsigned long long) handle)
-#define PYNUM_TO_HANDLE(obj) ((HANDLE)PyLong_AsUnsignedLongLong(obj))
-#define F_POINTER "K"
-#define T_POINTER T_ULONGLONG
-#endif
-
-#define F_HANDLE F_POINTER
-#define F_DWORD "k"
-
-#define T_HANDLE T_POINTER
-
-// winbase.h limits the STARTF_* flags to the desktop API as of 10.0.19041.
-#ifndef STARTF_USESHOWWINDOW
-#define STARTF_USESHOWWINDOW 0x00000001
-#endif
-#ifndef STARTF_USESTDHANDLES
-#define STARTF_USESTDHANDLES 0x00000100
-#endif
-
-typedef struct {
-    PyTypeObject *overlapped_type;
-} WinApiState;
-
-static inline WinApiState*
-winapi_get_state(PyObject *module)
-{
-    void *state = _PyModule_GetState(module);
-    assert(state != NULL);
-    return (WinApiState *)state;
-}
-
-/*
- * A Python object wrapping an OVERLAPPED structure and other useful data
- * for overlapped I/O
- */
-
-typedef struct {
-    PyObject_HEAD
-    OVERLAPPED overlapped;
-    /* For convenience, we store the file handle too */
-    HANDLE handle;
-    /* Whether there's I/O in flight */
-    int pending;
-    /* Whether I/O completed successfully */
-    int completed;
-    /* Buffer used for reading (optional) */
-    PyObject *read_buffer;
-    /* Buffer used for writing (optional) */
-    Py_buffer write_buffer;
-} OverlappedObject;
-
-/*
-Note: tp_clear (overlapped_clear) is not implemented because it
-requires cancelling the IO operation if it's pending and the cancellation is
-quite complex and can fail (see: overlapped_dealloc).
-*/
-static int
-overlapped_traverse(OverlappedObject *self, visitproc visit, void *arg)
-{
-    Py_VISIT(self->read_buffer);
-    Py_VISIT(self->write_buffer.obj);
-    Py_VISIT(Py_TYPE(self));
-    return 0;
-}
-
-static void
-overlapped_dealloc(OverlappedObject *self)
-{
-    DWORD bytes;
-    int err = GetLastError();
-
-    PyObject_GC_UnTrack(self);
-    if (self->pending) {
-        if (CancelIoEx(self->handle, &self->overlapped) &&
-            GetOverlappedResult(self->handle, &self->overlapped, &bytes, TRUE))
-        {
-            /* The operation is no longer pending -- nothing to do. */
-        }
-        else if (_Py_IsInterpreterFinalizing(PyInterpreterState_Get()))
-        {
-            /* The operation is still pending -- give a warning.  This
-               will probably only happen on Windows XP. */
-            PyErr_SetString(PyExc_RuntimeError,
-                            "I/O operations still in flight while destroying "
-                            "Overlapped object, the process may crash");
-            PyErr_WriteUnraisable(NULL);
-        }
-        else
-        {
-            /* The operation is still pending, but the process is
-               probably about to exit, so we need not worry too much
-               about memory leaks.  Leaking self prevents a potential
-               crash.  This can happen when a daemon thread is cleaned
-               up at exit -- see #19565.  We only expect to get here
-               on Windows XP. */
-            CloseHandle(self->overlapped.hEvent);
-            SetLastError(err);
-            return;
-        }
-    }
-
-    CloseHandle(self->overlapped.hEvent);
-    SetLastError(err);
-    if (self->write_buffer.obj)
-        PyBuffer_Release(&self->write_buffer);
-    Py_CLEAR(self->read_buffer);
-    PyTypeObject *tp = Py_TYPE(self);
-    tp->tp_free(self);
-    Py_DECREF(tp);
-}
-
-/*[clinic input]
-module _winapi
-class _winapi.Overlapped "OverlappedObject *" "&OverlappedType"
-[clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=c13d3f5fd1dabb84]*/
-
-/*[python input]
-def create_converter(type_, format_unit):
-    name = type_ + '_converter'
-    # registered upon creation by CConverter's metaclass
-    type(name, (CConverter,), {'type': type_, 'format_unit': format_unit})
-
-# format unit differs between platforms for these
-create_converter('HANDLE', '" F_HANDLE "')
-create_converter('HMODULE', '" F_HANDLE "')
-create_converter('LPSECURITY_ATTRIBUTES', '" F_POINTER "')
-create_converter('LPCVOID', '" F_POINTER "')
-
-create_converter('BOOL', 'i') # F_BOOL used previously (always 'i')
-create_converter('DWORD', 'k') # F_DWORD is always "k" (which is much shorter)
-create_converter('LPCTSTR', 's')
-create_converter('UINT', 'I') # F_UINT used previously (always 'I')
-
-class LPCWSTR_converter(Py_UNICODE_converter):
-    type = 'LPCWSTR'
-
-class HANDLE_return_converter(CReturnConverter):
-    type = 'HANDLE'
-
-    def render(self, function, data):
-        self.declare(data)
-        self.err_occurred_if("_return_value == INVALID_HANDLE_VALUE", data)
-        data.return_conversion.append(
-            'if (_return_value == NULL) {\n    Py_RETURN_NONE;\n}\n')
-        data.return_conversion.append(
-            'return_value = HANDLE_TO_PYNUM(_return_value);\n')
-
-class DWORD_return_converter(CReturnConverter):
-    type = 'DWORD'
-
-    def render(self, function, data):
-        self.declare(data)
-        self.err_occurred_if("_return_value == PY_DWORD_MAX", data)
-        data.return_conversion.append(
-            'return_value = Py_BuildValue("k", _return_value);\n')
-
-class LPVOID_return_converter(CReturnConverter):
-    type = 'LPVOID'
-
-    def render(self, function, data):
-        self.declare(data)
-        self.err_occurred_if("_return_value == NULL", data)
-        data.return_conversion.append(
-            'return_value = HANDLE_TO_PYNUM(_return_value);\n')
-[python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=011ee0c3a2244bfe]*/
-
-#include "clinic/_winapi.c.h"
-
-/*[clinic input]
-_winapi.Overlapped.GetOverlappedResult
-
-    wait: bool
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_Overlapped_GetOverlappedResult_impl(OverlappedObject *self, int wait)
-/*[clinic end generated code: output=bdd0c1ed6518cd03 input=194505ee8e0e3565]*/
-{
-    BOOL res;
-    DWORD transferred = 0;
-    DWORD err;
-
-    Py_BEGIN_ALLOW_THREADS
-    res = GetOverlappedResult(self->handle, &self->overlapped, &transferred,
-                              wait != 0);
-    Py_END_ALLOW_THREADS
-
-    err = res ? ERROR_SUCCESS : GetLastError();
-    switch (err) {
-        case ERROR_SUCCESS:
-        case ERROR_MORE_DATA:
-        case ERROR_OPERATION_ABORTED:
-            self->completed = 1;
-            self->pending = 0;
-            break;
-        case ERROR_IO_INCOMPLETE:
-            break;
-        default:
-            self->pending = 0;
-            return PyErr_SetExcFromWindowsErr(PyExc_OSError, err);
-    }
-    if (self->completed && self->read_buffer != NULL) {
-        assert(PyBytes_CheckExact(self->read_buffer));
-        if (transferred != PyBytes_GET_SIZE(self->read_buffer) &&
-            _PyBytes_Resize(&self->read_buffer, transferred))
-            return NULL;
-    }
-    return Py_BuildValue("II", (unsigned) transferred, (unsigned) err);
-}
-
-/*[clinic input]
-_winapi.Overlapped.getbuffer
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_Overlapped_getbuffer_impl(OverlappedObject *self)
-/*[clinic end generated code: output=95a3eceefae0f748 input=347fcfd56b4ceabd]*/
-{
-    PyObject *res;
-    if (!self->completed) {
-        PyErr_SetString(PyExc_ValueError,
-                        "can't get read buffer before GetOverlappedResult() "
-                        "signals the operation completed");
-        return NULL;
-    }
-    res = self->read_buffer ? self->read_buffer : Py_None;
-    return Py_NewRef(res);
-}
-
-/*[clinic input]
-_winapi.Overlapped.cancel
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_Overlapped_cancel_impl(OverlappedObject *self)
-/*[clinic end generated code: output=fcb9ab5df4ebdae5 input=cbf3da142290039f]*/
-{
-    BOOL res = TRUE;
-
-    if (self->pending) {
-        Py_BEGIN_ALLOW_THREADS
-        res = CancelIoEx(self->handle, &self->overlapped);
-        Py_END_ALLOW_THREADS
-    }
-
-    /* CancelIoEx returns ERROR_NOT_FOUND if the I/O completed in-between */
-    if (!res && GetLastError() != ERROR_NOT_FOUND)
-        return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-    self->pending = 0;
-    Py_RETURN_NONE;
-}
-
-static PyMethodDef overlapped_methods[] = {
-    _WINAPI_OVERLAPPED_GETOVERLAPPEDRESULT_METHODDEF
-    _WINAPI_OVERLAPPED_GETBUFFER_METHODDEF
-    _WINAPI_OVERLAPPED_CANCEL_METHODDEF
-    {NULL}
-};
-
-static PyMemberDef overlapped_members[] = {
-    {"event", T_HANDLE,
-     offsetof(OverlappedObject, overlapped) + offsetof(OVERLAPPED, hEvent),
-     READONLY, "overlapped event handle"},
-    {NULL}
-};
-
-static PyType_Slot winapi_overlapped_type_slots[] = {
-    {Py_tp_traverse, overlapped_traverse},
-    {Py_tp_dealloc, overlapped_dealloc},
-    {Py_tp_doc, "OVERLAPPED structure wrapper"},
-    {Py_tp_methods, overlapped_methods},
-    {Py_tp_members, overlapped_members},
-    {0,0}
-};
-
-static PyType_Spec winapi_overlapped_type_spec = {
-    .name = "_winapi.Overlapped",
-    .basicsize = sizeof(OverlappedObject),
-    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION |
-              Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_IMMUTABLETYPE),
-    .slots = winapi_overlapped_type_slots,
-};
-
-static OverlappedObject *
-new_overlapped(PyObject *module, HANDLE handle)
-{
-    WinApiState *st = winapi_get_state(module);
-    OverlappedObject *self = PyObject_GC_New(OverlappedObject, st->overlapped_type);
-    if (!self)
-        return NULL;
-
-    self->handle = handle;
-    self->read_buffer = NULL;
-    self->pending = 0;
-    self->completed = 0;
-    memset(&self->overlapped, 0, sizeof(OVERLAPPED));
-    memset(&self->write_buffer, 0, sizeof(Py_buffer));
-    /* Manual reset, initially non-signalled */
-    self->overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
-
-    PyObject_GC_Track(self);
-    return self;
-}
-
-/* -------------------------------------------------------------------- */
-/* windows API functions */
-
-/*[clinic input]
-_winapi.CloseHandle
-
-    handle: HANDLE
-    /
-
-Close handle.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_CloseHandle_impl(PyObject *module, HANDLE handle)
-/*[clinic end generated code: output=7ad37345f07bd782 input=7f0e4ac36e0352b8]*/
-{
-    BOOL success;
-
-    Py_BEGIN_ALLOW_THREADS
-    success = CloseHandle(handle);
-    Py_END_ALLOW_THREADS
-
-    if (!success)
-        return PyErr_SetFromWindowsErr(0);
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.ConnectNamedPipe
-
-    handle: HANDLE
-    overlapped as use_overlapped: bool = False
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_ConnectNamedPipe_impl(PyObject *module, HANDLE handle,
-                              int use_overlapped)
-/*[clinic end generated code: output=335a0e7086800671 input=a80e56e8bd370e31]*/
-{
-    BOOL success;
-    OverlappedObject *overlapped = NULL;
-
-    if (use_overlapped) {
-        overlapped = new_overlapped(module, handle);
-        if (!overlapped)
-            return NULL;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    success = ConnectNamedPipe(handle,
-                               overlapped ? &overlapped->overlapped : NULL);
-    Py_END_ALLOW_THREADS
-
-    if (overlapped) {
-        int err = GetLastError();
-        /* Overlapped ConnectNamedPipe never returns a success code */
-        assert(success == 0);
-        if (err == ERROR_IO_PENDING)
-            overlapped->pending = 1;
-        else if (err == ERROR_PIPE_CONNECTED)
-            SetEvent(overlapped->overlapped.hEvent);
-        else {
-            Py_DECREF(overlapped);
-            return PyErr_SetFromWindowsErr(err);
-        }
-        return (PyObject *) overlapped;
-    }
-    if (!success)
-        return PyErr_SetFromWindowsErr(0);
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.CreateFile -> HANDLE
-
-    file_name: LPCWSTR
-    desired_access: DWORD
-    share_mode: DWORD
-    security_attributes: LPSECURITY_ATTRIBUTES
-    creation_disposition: DWORD
-    flags_and_attributes: DWORD
-    template_file: HANDLE
-    /
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_CreateFile_impl(PyObject *module, LPCWSTR file_name,
-                        DWORD desired_access, DWORD share_mode,
-                        LPSECURITY_ATTRIBUTES security_attributes,
-                        DWORD creation_disposition,
-                        DWORD flags_and_attributes, HANDLE template_file)
-/*[clinic end generated code: output=818c811e5e04d550 input=1fa870ed1c2e3d69]*/
-{
-    HANDLE handle;
-
-    if (PySys_Audit("_winapi.CreateFile", "uIIII",
-                    file_name, desired_access, share_mode,
-                    creation_disposition, flags_and_attributes) < 0) {
-        return INVALID_HANDLE_VALUE;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = CreateFileW(file_name, desired_access,
-                         share_mode, security_attributes,
-                         creation_disposition,
-                         flags_and_attributes, template_file);
-    Py_END_ALLOW_THREADS
-
-    if (handle == INVALID_HANDLE_VALUE) {
-        PyErr_SetFromWindowsErr(0);
-    }
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.CreateFileMapping -> HANDLE
-
-    file_handle: HANDLE
-    security_attributes: LPSECURITY_ATTRIBUTES
-    protect: DWORD
-    max_size_high: DWORD
-    max_size_low: DWORD
-    name: LPCWSTR
-    /
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_CreateFileMapping_impl(PyObject *module, HANDLE file_handle,
-                               LPSECURITY_ATTRIBUTES security_attributes,
-                               DWORD protect, DWORD max_size_high,
-                               DWORD max_size_low, LPCWSTR name)
-/*[clinic end generated code: output=6c0a4d5cf7f6fcc6 input=3dc5cf762a74dee8]*/
-{
-    HANDLE handle;
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = CreateFileMappingW(file_handle, security_attributes,
-                                protect, max_size_high, max_size_low,
-                                name);
-    Py_END_ALLOW_THREADS
-
-    if (handle == NULL) {
-        PyObject *temp = PyUnicode_FromWideChar(name, -1);
-        PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError, 0, temp);
-        Py_XDECREF(temp);
-        handle = INVALID_HANDLE_VALUE;
-    }
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.CreateJunction
-
-    src_path: LPCWSTR
-    dst_path: LPCWSTR
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_CreateJunction_impl(PyObject *module, LPCWSTR src_path,
-                            LPCWSTR dst_path)
-/*[clinic end generated code: output=44b3f5e9bbcc4271 input=963d29b44b9384a7]*/
-{
-    /* Privilege adjustment */
-    HANDLE token = NULL;
-    struct {
-        TOKEN_PRIVILEGES base;
-        /* overallocate by a few array elements */
-        LUID_AND_ATTRIBUTES privs[4];
-    } tp, previousTp;
-    int previousTpSize = 0;
-
-    /* Reparse data buffer */
-    const USHORT prefix_len = 4;
-    USHORT print_len = 0;
-    USHORT rdb_size = 0;
-    _Py_PREPARSE_DATA_BUFFER rdb = NULL;
-
-    /* Junction point creation */
-    HANDLE junction = NULL;
-    DWORD ret = 0;
-
-    if (src_path == NULL || dst_path == NULL)
-        return PyErr_SetFromWindowsErr(ERROR_INVALID_PARAMETER);
-
-    if (wcsncmp(src_path, L"\\??\\", prefix_len) == 0)
-        return PyErr_SetFromWindowsErr(ERROR_INVALID_PARAMETER);
-
-    if (PySys_Audit("_winapi.CreateJunction", "uu", src_path, dst_path) < 0) {
-        return NULL;
-    }
-
-    /* Adjust privileges to allow rewriting directory entry as a
-       junction point. */
-    if (!OpenProcessToken(GetCurrentProcess(),
-                          TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token)) {
-        goto cleanup;
-    }
-
-    if (!LookupPrivilegeValue(NULL, SE_RESTORE_NAME, &tp.base.Privileges[0].Luid)) {
-        goto cleanup;
-    }
-
-    tp.base.PrivilegeCount = 1;
-    tp.base.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
-    if (!AdjustTokenPrivileges(token, FALSE, &tp.base, sizeof(previousTp),
-                               &previousTp.base, &previousTpSize)) {
-        goto cleanup;
-    }
-
-    if (GetFileAttributesW(src_path) == INVALID_FILE_ATTRIBUTES)
-        goto cleanup;
-
-    /* Store the absolute link target path length in print_len. */
-    print_len = (USHORT)GetFullPathNameW(src_path, 0, NULL, NULL);
-    if (print_len == 0)
-        goto cleanup;
-
-    /* NUL terminator should not be part of print_len. */
-    --print_len;
-
-    /* REPARSE_DATA_BUFFER usage is heavily under-documented, especially for
-       junction points. Here's what I've learned along the way:
-       - A junction point has two components: a print name and a substitute
-         name. They both describe the link target, but the substitute name is
-         the physical target and the print name is shown in directory listings.
-       - The print name must be a native name, prefixed with "\??\".
-       - Both names are stored after each other in the same buffer (the
-         PathBuffer) and both must be NUL-terminated.
-       - There are four members defining their respective offset and length
-         inside PathBuffer: SubstituteNameOffset, SubstituteNameLength,
-         PrintNameOffset and PrintNameLength.
-       - The total size we need to allocate for the REPARSE_DATA_BUFFER, thus,
-         is the sum of:
-         - the fixed header size (REPARSE_DATA_BUFFER_HEADER_SIZE)
-         - the size of the MountPointReparseBuffer member without the PathBuffer
-         - the size of the prefix ("\??\") in bytes
-         - the size of the print name in bytes
-         - the size of the substitute name in bytes
-         - the size of two NUL terminators in bytes */
-    rdb_size = _Py_REPARSE_DATA_BUFFER_HEADER_SIZE +
-        sizeof(rdb->MountPointReparseBuffer) -
-        sizeof(rdb->MountPointReparseBuffer.PathBuffer) +
-        /* Two +1's for NUL terminators. */
-        (prefix_len + print_len + 1 + print_len + 1) * sizeof(WCHAR);
-    rdb = (_Py_PREPARSE_DATA_BUFFER)PyMem_RawCalloc(1, rdb_size);
-    if (rdb == NULL)
-        goto cleanup;
-
-    rdb->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
-    rdb->ReparseDataLength = rdb_size - _Py_REPARSE_DATA_BUFFER_HEADER_SIZE;
-    rdb->MountPointReparseBuffer.SubstituteNameOffset = 0;
-    rdb->MountPointReparseBuffer.SubstituteNameLength =
-        (prefix_len + print_len) * sizeof(WCHAR);
-    rdb->MountPointReparseBuffer.PrintNameOffset =
-        rdb->MountPointReparseBuffer.SubstituteNameLength + sizeof(WCHAR);
-    rdb->MountPointReparseBuffer.PrintNameLength = print_len * sizeof(WCHAR);
-
-    /* Store the full native path of link target at the substitute name
-       offset (0). */
-    wcscpy(rdb->MountPointReparseBuffer.PathBuffer, L"\\??\\");
-    if (GetFullPathNameW(src_path, print_len + 1,
-                         rdb->MountPointReparseBuffer.PathBuffer + prefix_len,
-                         NULL) == 0)
-        goto cleanup;
-
-    /* Copy everything but the native prefix to the print name offset. */
-    wcscpy(rdb->MountPointReparseBuffer.PathBuffer +
-             prefix_len + print_len + 1,
-             rdb->MountPointReparseBuffer.PathBuffer + prefix_len);
-
-    /* Create a directory for the junction point. */
-    if (!CreateDirectoryW(dst_path, NULL))
-        goto cleanup;
-
-    junction = CreateFileW(dst_path, GENERIC_READ | GENERIC_WRITE, 0, NULL,
-        OPEN_EXISTING,
-        FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, NULL);
-    if (junction == INVALID_HANDLE_VALUE)
-        goto cleanup;
-
-    /* Make the directory entry a junction point. */
-    if (!DeviceIoControl(junction, FSCTL_SET_REPARSE_POINT, rdb, rdb_size,
-                         NULL, 0, &ret, NULL))
-        goto cleanup;
-
-cleanup:
-    ret = GetLastError();
-
-    if (previousTpSize) {
-        AdjustTokenPrivileges(token, FALSE, &previousTp.base, previousTpSize,
-                              NULL, NULL);
-    }
-
-    if (token != NULL)
-        CloseHandle(token);
-    if (junction != NULL)
-        CloseHandle(junction);
-    PyMem_RawFree(rdb);
-
-    if (ret != 0)
-        return PyErr_SetFromWindowsErr(ret);
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.CreateNamedPipe -> HANDLE
-
-    name: LPCTSTR
-    open_mode: DWORD
-    pipe_mode: DWORD
-    max_instances: DWORD
-    out_buffer_size: DWORD
-    in_buffer_size: DWORD
-    default_timeout: DWORD
-    security_attributes: LPSECURITY_ATTRIBUTES
-    /
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_CreateNamedPipe_impl(PyObject *module, LPCTSTR name, DWORD open_mode,
-                             DWORD pipe_mode, DWORD max_instances,
-                             DWORD out_buffer_size, DWORD in_buffer_size,
-                             DWORD default_timeout,
-                             LPSECURITY_ATTRIBUTES security_attributes)
-/*[clinic end generated code: output=80f8c07346a94fbc input=5a73530b84d8bc37]*/
-{
-    HANDLE handle;
-
-    if (PySys_Audit("_winapi.CreateNamedPipe", "uII",
-                    name, open_mode, pipe_mode) < 0) {
-        return INVALID_HANDLE_VALUE;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = CreateNamedPipe(name, open_mode, pipe_mode,
-                             max_instances, out_buffer_size,
-                             in_buffer_size, default_timeout,
-                             security_attributes);
-    Py_END_ALLOW_THREADS
-
-    if (handle == INVALID_HANDLE_VALUE)
-        PyErr_SetFromWindowsErr(0);
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.CreatePipe
-
-    pipe_attrs: object
-        Ignored internally, can be None.
-    size: DWORD
-    /
-
-Create an anonymous pipe.
-
-Returns a 2-tuple of handles, to the read and write ends of the pipe.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_CreatePipe_impl(PyObject *module, PyObject *pipe_attrs, DWORD size)
-/*[clinic end generated code: output=1c4411d8699f0925 input=c4f2cfa56ef68d90]*/
-{
-    HANDLE read_pipe;
-    HANDLE write_pipe;
-    BOOL result;
-
-    if (PySys_Audit("_winapi.CreatePipe", NULL) < 0) {
-        return NULL;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    result = CreatePipe(&read_pipe, &write_pipe, NULL, size);
-    Py_END_ALLOW_THREADS
-
-    if (! result)
-        return PyErr_SetFromWindowsErr(GetLastError());
-
-    return Py_BuildValue(
-        "NN", HANDLE_TO_PYNUM(read_pipe), HANDLE_TO_PYNUM(write_pipe));
-}
-
-/* helpers for createprocess */
-
-static unsigned long
-getulong(PyObject* obj, const char* name)
-{
-    PyObject* value;
-    unsigned long ret;
-
-    value = PyObject_GetAttrString(obj, name);
-    if (! value) {
-        PyErr_Clear(); /* FIXME: propagate error? */
-        return 0;
-    }
-    ret = PyLong_AsUnsignedLong(value);
-    Py_DECREF(value);
-    return ret;
-}
-
-static HANDLE
-gethandle(PyObject* obj, const char* name)
-{
-    PyObject* value;
-    HANDLE ret;
-
-    value = PyObject_GetAttrString(obj, name);
-    if (! value) {
-        PyErr_Clear(); /* FIXME: propagate error? */
-        return NULL;
-    }
-    if (value == Py_None)
-        ret = NULL;
-    else
-        ret = PYNUM_TO_HANDLE(value);
-    Py_DECREF(value);
-    return ret;
-}
-
-static PyObject *
-sortenvironmentkey(PyObject *module, PyObject *item)
-{
-    return _winapi_LCMapStringEx_impl(NULL, LOCALE_NAME_INVARIANT,
-                                      LCMAP_UPPERCASE, item);
-}
-
-static PyMethodDef sortenvironmentkey_def = {
-    "sortenvironmentkey", _PyCFunction_CAST(sortenvironmentkey), METH_O, "",
-};
-
-static int
-sort_environment_keys(PyObject *keys)
-{
-    PyObject *keyfunc = PyCFunction_New(&sortenvironmentkey_def, NULL);
-    if (keyfunc == NULL) {
-        return -1;
-    }
-    PyObject *kwnames = Py_BuildValue("(s)", "key");
-    if (kwnames == NULL) {
-        Py_DECREF(keyfunc);
-        return -1;
-    }
-    PyObject *args[] = { keys, keyfunc };
-    PyObject *ret = PyObject_VectorcallMethod(&_Py_ID(sort), args, 1, kwnames);
-    Py_DECREF(keyfunc);
-    Py_DECREF(kwnames);
-    if (ret == NULL) {
-        return -1;
-    }
-    Py_DECREF(ret);
-
-    return 0;
-}
-
-static int
-compare_string_ordinal(PyObject *str1, PyObject *str2, int *result)
-{
-    wchar_t *s1 = PyUnicode_AsWideCharString(str1, NULL);
-    if (s1 == NULL) {
-        return -1;
-    }
-    wchar_t *s2 = PyUnicode_AsWideCharString(str2, NULL);
-    if (s2 == NULL) {
-        PyMem_Free(s1);
-        return -1;
-    }
-    *result = CompareStringOrdinal(s1, -1, s2, -1, TRUE);
-    PyMem_Free(s1);
-    PyMem_Free(s2);
-    return 0;
-}
-
-static PyObject *
-dedup_environment_keys(PyObject *keys)
-{
-    PyObject *result = PyList_New(0);
-    if (result == NULL) {
-        return NULL;
-    }
-
-    // Iterate over the pre-ordered keys, check whether the current key is equal
-    // to the next key (ignoring case), if different, insert the current value
-    // into the result list. If they are equal, do nothing because we always
-    // want to keep the last inserted one.
-    for (Py_ssize_t i = 0; i < PyList_GET_SIZE(keys); i++) {
-        PyObject *key = PyList_GET_ITEM(keys, i);
-
-        // The last key will always be kept.
-        if (i + 1 == PyList_GET_SIZE(keys)) {
-            if (PyList_Append(result, key) < 0) {
-                Py_DECREF(result);
-                return NULL;
-            }
-            continue;
-        }
-
-        PyObject *next_key = PyList_GET_ITEM(keys, i + 1);
-        int compare_result;
-        if (compare_string_ordinal(key, next_key, &compare_result) < 0) {
-            Py_DECREF(result);
-            return NULL;
-        }
-        if (compare_result == CSTR_EQUAL) {
-            continue;
-        }
-        if (PyList_Append(result, key) < 0) {
-            Py_DECREF(result);
-            return NULL;
-        }
-    }
-
-    return result;
-}
-
-static PyObject *
-normalize_environment(PyObject *environment)
-{
-    PyObject *keys = PyMapping_Keys(environment);
-    if (keys == NULL) {
-        return NULL;
-    }
-
-    if (sort_environment_keys(keys) < 0) {
-        Py_DECREF(keys);
-        return NULL;
-    }
-
-    PyObject *normalized_keys = dedup_environment_keys(keys);
-    Py_DECREF(keys);
-    if (normalized_keys == NULL) {
-        return NULL;
-    }
-
-    PyObject *result = PyDict_New();
-    if (result == NULL) {
-        Py_DECREF(normalized_keys);
-        return NULL;
-    }
-
-    for (int i = 0; i < PyList_GET_SIZE(normalized_keys); i++) {
-        PyObject *key = PyList_GET_ITEM(normalized_keys, i);
-        PyObject *value = PyObject_GetItem(environment, key);
-        if (value == NULL) {
-            Py_DECREF(normalized_keys);
-            Py_DECREF(result);
-            return NULL;
-        }
-
-        int ret = PyObject_SetItem(result, key, value);
-        Py_DECREF(value);
-        if (ret < 0) {
-            Py_DECREF(normalized_keys);
-            Py_DECREF(result);
-            return NULL;
-        }
-    }
-
-    Py_DECREF(normalized_keys);
-
-    return result;
-}
-
-static wchar_t *
-getenvironment(PyObject* environment)
-{
-    Py_ssize_t i, envsize, totalsize;
-    wchar_t *buffer = NULL, *p, *end;
-    PyObject *normalized_environment = NULL;
-    PyObject *keys = NULL;
-    PyObject *values = NULL;
-
-    /* convert environment dictionary to windows environment string */
-    if (! PyMapping_Check(environment)) {
-        PyErr_SetString(
-            PyExc_TypeError, "environment must be dictionary or None");
-        return NULL;
-    }
-
-    normalized_environment = normalize_environment(environment);
-    if (normalize_environment == NULL) {
-        return NULL;
-    }
-
-    keys = PyMapping_Keys(normalized_environment);
-    if (!keys) {
-        goto error;
-    }
-    values = PyMapping_Values(normalized_environment);
-    if (!values) {
-        goto error;
-    }
-
-    envsize = PyList_GET_SIZE(keys);
-
-    if (envsize == 0) {
-        // A environment block must be terminated by two null characters --
-        // one for the last string and one for the block.
-        buffer = PyMem_Calloc(2, sizeof(wchar_t));
-        if (!buffer) {
-            PyErr_NoMemory();
-        }
-        goto cleanup;
-    }
-
-    if (PyList_GET_SIZE(values) != envsize) {
-        PyErr_SetString(PyExc_RuntimeError,
-            "environment changed size during iteration");
-        goto error;
-    }
-
-    totalsize = 1; /* trailing null character */
-    for (i = 0; i < envsize; i++) {
-        PyObject* key = PyList_GET_ITEM(keys, i);
-        PyObject* value = PyList_GET_ITEM(values, i);
-        Py_ssize_t size;
-
-        if (! PyUnicode_Check(key) || ! PyUnicode_Check(value)) {
-            PyErr_SetString(PyExc_TypeError,
-                "environment can only contain strings");
-            goto error;
-        }
-        if (PyUnicode_FindChar(key, '\0', 0, PyUnicode_GET_LENGTH(key), 1) != -1 ||
-            PyUnicode_FindChar(value, '\0', 0, PyUnicode_GET_LENGTH(value), 1) != -1)
-        {
-            PyErr_SetString(PyExc_ValueError, "embedded null character");
-            goto error;
-        }
-        /* Search from index 1 because on Windows starting '=' is allowed for
-           defining hidden environment variables. */
-        if (PyUnicode_GET_LENGTH(key) == 0 ||
-            PyUnicode_FindChar(key, '=', 1, PyUnicode_GET_LENGTH(key), 1) != -1)
-        {
-            PyErr_SetString(PyExc_ValueError, "illegal environment variable name");
-            goto error;
-        }
-
-        size = PyUnicode_AsWideChar(key, NULL, 0);
-        assert(size > 1);
-        if (totalsize > PY_SSIZE_T_MAX - size) {
-            PyErr_SetString(PyExc_OverflowError, "environment too long");
-            goto error;
-        }
-        totalsize += size;    /* including '=' */
-
-        size = PyUnicode_AsWideChar(value, NULL, 0);
-        assert(size > 0);
-        if (totalsize > PY_SSIZE_T_MAX - size) {
-            PyErr_SetString(PyExc_OverflowError, "environment too long");
-            goto error;
-        }
-        totalsize += size;  /* including trailing '\0' */
-    }
-
-    buffer = PyMem_NEW(wchar_t, totalsize);
-    if (! buffer) {
-        PyErr_NoMemory();
-        goto error;
-    }
-    p = buffer;
-    end = buffer + totalsize;
-
-    for (i = 0; i < envsize; i++) {
-        PyObject* key = PyList_GET_ITEM(keys, i);
-        PyObject* value = PyList_GET_ITEM(values, i);
-        Py_ssize_t size = PyUnicode_AsWideChar(key, p, end - p);
-        assert(1 <= size && size < end - p);
-        p += size;
-        *p++ = L'=';
-        size = PyUnicode_AsWideChar(value, p, end - p);
-        assert(0 <= size && size < end - p);
-        p += size + 1;
-    }
-
-    /* add trailing null character */
-    *p++ = L'\0';
-    assert(p == end);
-
-cleanup:
-error:
-    Py_XDECREF(normalized_environment);
-    Py_XDECREF(keys);
-    Py_XDECREF(values);
-    return buffer;
-}
-
-static LPHANDLE
-gethandlelist(PyObject *mapping, const char *name, Py_ssize_t *size)
-{
-    LPHANDLE ret = NULL;
-    PyObject *value_fast = NULL;
-    PyObject *value;
-    Py_ssize_t i;
-
-    value = PyMapping_GetItemString(mapping, name);
-    if (!value) {
-        PyErr_Clear();
-        return NULL;
-    }
-
-    if (value == Py_None) {
-        goto cleanup;
-    }
-
-    value_fast = PySequence_Fast(value, "handle_list must be a sequence or None");
-    if (value_fast == NULL)
-        goto cleanup;
-
-    *size = PySequence_Fast_GET_SIZE(value_fast) * sizeof(HANDLE);
-
-    /* Passing an empty array causes CreateProcess to fail so just don't set it */
-    if (*size == 0) {
-        goto cleanup;
-    }
-
-    ret = PyMem_Malloc(*size);
-    if (ret == NULL)
-        goto cleanup;
-
-    for (i = 0; i < PySequence_Fast_GET_SIZE(value_fast); i++) {
-        ret[i] = PYNUM_TO_HANDLE(PySequence_Fast_GET_ITEM(value_fast, i));
-        if (ret[i] == (HANDLE)-1 && PyErr_Occurred()) {
-            PyMem_Free(ret);
-            ret = NULL;
-            goto cleanup;
-        }
-    }
-
-cleanup:
-    Py_DECREF(value);
-    Py_XDECREF(value_fast);
-    return ret;
-}
-
-typedef struct {
-    LPPROC_THREAD_ATTRIBUTE_LIST attribute_list;
-    LPHANDLE handle_list;
-} AttributeList;
-
-static void
-freeattributelist(AttributeList *attribute_list)
-{
-    if (attribute_list->attribute_list != NULL) {
-        DeleteProcThreadAttributeList(attribute_list->attribute_list);
-        PyMem_Free(attribute_list->attribute_list);
-    }
-
-    PyMem_Free(attribute_list->handle_list);
-
-    memset(attribute_list, 0, sizeof(*attribute_list));
-}
-
-static int
-getattributelist(PyObject *obj, const char *name, AttributeList *attribute_list)
-{
-    int ret = 0;
-    DWORD err;
-    BOOL result;
-    PyObject *value;
-    Py_ssize_t handle_list_size;
-    DWORD attribute_count = 0;
-    SIZE_T attribute_list_size = 0;
-
-    value = PyObject_GetAttrString(obj, name);
-    if (!value) {
-        PyErr_Clear(); /* FIXME: propagate error? */
-        return 0;
-    }
-
-    if (value == Py_None) {
-        ret = 0;
-        goto cleanup;
-    }
-
-    if (!PyMapping_Check(value)) {
-        ret = -1;
-        PyErr_Format(PyExc_TypeError, "%s must be a mapping or None", name);
-        goto cleanup;
-    }
-
-    attribute_list->handle_list = gethandlelist(value, "handle_list", &handle_list_size);
-    if (attribute_list->handle_list == NULL && PyErr_Occurred()) {
-        ret = -1;
-        goto cleanup;
-    }
-
-    if (attribute_list->handle_list != NULL)
-        ++attribute_count;
-
-    /* Get how many bytes we need for the attribute list */
-    result = InitializeProcThreadAttributeList(NULL, attribute_count, 0, &attribute_list_size);
-    if (result || GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
-        ret = -1;
-        PyErr_SetFromWindowsErr(GetLastError());
-        goto cleanup;
-    }
-
-    attribute_list->attribute_list = PyMem_Malloc(attribute_list_size);
-    if (attribute_list->attribute_list == NULL) {
-        ret = -1;
-        goto cleanup;
-    }
-
-    result = InitializeProcThreadAttributeList(
-        attribute_list->attribute_list,
-        attribute_count,
-        0,
-        &attribute_list_size);
-    if (!result) {
-        err = GetLastError();
-
-        /* So that we won't call DeleteProcThreadAttributeList */
-        PyMem_Free(attribute_list->attribute_list);
-        attribute_list->attribute_list = NULL;
-
-        ret = -1;
-        PyErr_SetFromWindowsErr(err);
-        goto cleanup;
-    }
-
-    if (attribute_list->handle_list != NULL) {
-        result = UpdateProcThreadAttribute(
-            attribute_list->attribute_list,
-            0,
-            PROC_THREAD_ATTRIBUTE_HANDLE_LIST,
-            attribute_list->handle_list,
-            handle_list_size,
-            NULL,
-            NULL);
-        if (!result) {
-            ret = -1;
-            PyErr_SetFromWindowsErr(GetLastError());
-            goto cleanup;
-        }
-    }
-
-cleanup:
-    Py_DECREF(value);
-
-    if (ret < 0)
-        freeattributelist(attribute_list);
-
-    return ret;
-}
-
-/*[clinic input]
-_winapi.CreateProcess
-
-    application_name: Py_UNICODE(accept={str, NoneType})
-    command_line: object
-        Can be str or None
-    proc_attrs: object
-        Ignored internally, can be None.
-    thread_attrs: object
-        Ignored internally, can be None.
-    inherit_handles: BOOL
-    creation_flags: DWORD
-    env_mapping: object
-    current_directory: Py_UNICODE(accept={str, NoneType})
-    startup_info: object
-    /
-
-Create a new process and its primary thread.
-
-The return value is a tuple of the process handle, thread handle,
-process ID, and thread ID.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_CreateProcess_impl(PyObject *module,
-                           const Py_UNICODE *application_name,
-                           PyObject *command_line, PyObject *proc_attrs,
-                           PyObject *thread_attrs, BOOL inherit_handles,
-                           DWORD creation_flags, PyObject *env_mapping,
-                           const Py_UNICODE *current_directory,
-                           PyObject *startup_info)
-/*[clinic end generated code: output=9b2423a609230132 input=42ac293eaea03fc4]*/
-{
-    PyObject *ret = NULL;
-    BOOL result;
-    PROCESS_INFORMATION pi;
-    STARTUPINFOEXW si;
-    wchar_t *wenvironment = NULL;
-    wchar_t *command_line_copy = NULL;
-    AttributeList attribute_list = {0};
-
-    if (PySys_Audit("_winapi.CreateProcess", "uuu", application_name,
-                    command_line, current_directory) < 0) {
-        return NULL;
-    }
-
-    ZeroMemory(&si, sizeof(si));
-    si.StartupInfo.cb = sizeof(si);
-
-    /* note: we only support a small subset of all SI attributes */
-    si.StartupInfo.dwFlags = getulong(startup_info, "dwFlags");
-    si.StartupInfo.wShowWindow = (WORD)getulong(startup_info, "wShowWindow");
-    si.StartupInfo.hStdInput = gethandle(startup_info, "hStdInput");
-    si.StartupInfo.hStdOutput = gethandle(startup_info, "hStdOutput");
-    si.StartupInfo.hStdError = gethandle(startup_info, "hStdError");
-    if (PyErr_Occurred())
-        goto cleanup;
-
-    if (env_mapping != Py_None) {
-        wenvironment = getenvironment(env_mapping);
-        if (wenvironment == NULL) {
-            goto cleanup;
-        }
-    }
-
-    if (getattributelist(startup_info, "lpAttributeList", &attribute_list) < 0)
-        goto cleanup;
-
-    si.lpAttributeList = attribute_list.attribute_list;
-    if (PyUnicode_Check(command_line)) {
-        command_line_copy = PyUnicode_AsWideCharString(command_line, NULL);
-        if (command_line_copy == NULL) {
-            goto cleanup;
-        }
-    }
-    else if (command_line != Py_None) {
-        PyErr_Format(PyExc_TypeError,
-                     "CreateProcess() argument 2 must be str or None, not %s",
-                     Py_TYPE(command_line)->tp_name);
-        goto cleanup;
-    }
-
-
-    Py_BEGIN_ALLOW_THREADS
-    result = CreateProcessW(application_name,
-                           command_line_copy,
-                           NULL,
-                           NULL,
-                           inherit_handles,
-                           creation_flags | EXTENDED_STARTUPINFO_PRESENT |
-                           CREATE_UNICODE_ENVIRONMENT,
-                           wenvironment,
-                           current_directory,
-                           (LPSTARTUPINFOW)&si,
-                           &pi);
-    Py_END_ALLOW_THREADS
-
-    if (!result) {
-        PyErr_SetFromWindowsErr(GetLastError());
-        goto cleanup;
-    }
-
-    ret = Py_BuildValue("NNkk",
-                        HANDLE_TO_PYNUM(pi.hProcess),
-                        HANDLE_TO_PYNUM(pi.hThread),
-                        pi.dwProcessId,
-                        pi.dwThreadId);
-
-cleanup:
-    PyMem_Free(command_line_copy);
-    PyMem_Free(wenvironment);
-    freeattributelist(&attribute_list);
-
-    return ret;
-}
-
-/*[clinic input]
-_winapi.DuplicateHandle -> HANDLE
-
-    source_process_handle: HANDLE
-    source_handle: HANDLE
-    target_process_handle: HANDLE
-    desired_access: DWORD
-    inherit_handle: BOOL
-    options: DWORD = 0
-    /
-
-Return a duplicate handle object.
-
-The duplicate handle refers to the same object as the original
-handle. Therefore, any changes to the object are reflected
-through both handles.
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_DuplicateHandle_impl(PyObject *module, HANDLE source_process_handle,
-                             HANDLE source_handle,
-                             HANDLE target_process_handle,
-                             DWORD desired_access, BOOL inherit_handle,
-                             DWORD options)
-/*[clinic end generated code: output=ad9711397b5dcd4e input=b933e3f2356a8c12]*/
-{
-    HANDLE target_handle;
-    BOOL result;
-
-    Py_BEGIN_ALLOW_THREADS
-    result = DuplicateHandle(
-        source_process_handle,
-        source_handle,
-        target_process_handle,
-        &target_handle,
-        desired_access,
-        inherit_handle,
-        options
-    );
-    Py_END_ALLOW_THREADS
-
-    if (! result) {
-        PyErr_SetFromWindowsErr(GetLastError());
-        return INVALID_HANDLE_VALUE;
-    }
-
-    return target_handle;
-}
-
-/*[clinic input]
-_winapi.ExitProcess
-
-    ExitCode: UINT
-    /
-
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_ExitProcess_impl(PyObject *module, UINT ExitCode)
-/*[clinic end generated code: output=a387deb651175301 input=4f05466a9406c558]*/
-{
-    #if defined(Py_DEBUG)
-#ifdef MS_WINDOWS_DESKTOP
-        SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOALIGNMENTFAULTEXCEPT|
-                     SEM_NOGPFAULTERRORBOX|SEM_NOOPENFILEERRORBOX);
-#endif
-        _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
-    #endif
-
-    ExitProcess(ExitCode);
-
-    return NULL;
-}
-
-/*[clinic input]
-_winapi.GetCurrentProcess -> HANDLE
-
-Return a handle object for the current process.
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_GetCurrentProcess_impl(PyObject *module)
-/*[clinic end generated code: output=ddeb4dd2ffadf344 input=b213403fd4b96b41]*/
-{
-    return GetCurrentProcess();
-}
-
-/*[clinic input]
-_winapi.GetExitCodeProcess -> DWORD
-
-    process: HANDLE
-    /
-
-Return the termination status of the specified process.
-[clinic start generated code]*/
-
-static DWORD
-_winapi_GetExitCodeProcess_impl(PyObject *module, HANDLE process)
-/*[clinic end generated code: output=b4620bdf2bccf36b input=61b6bfc7dc2ee374]*/
-{
-    DWORD exit_code;
-    BOOL result;
-
-    result = GetExitCodeProcess(process, &exit_code);
-
-    if (! result) {
-        PyErr_SetFromWindowsErr(GetLastError());
-        exit_code = PY_DWORD_MAX;
-    }
-
-    return exit_code;
-}
-
-/*[clinic input]
-_winapi.GetLastError -> DWORD
-[clinic start generated code]*/
-
-static DWORD
-_winapi_GetLastError_impl(PyObject *module)
-/*[clinic end generated code: output=8585b827cb1a92c5 input=62d47fb9bce038ba]*/
-{
-    return GetLastError();
-}
-
-/*[clinic input]
-_winapi.GetModuleFileName
-
-    module_handle: HMODULE
-    /
-
-Return the fully-qualified path for the file that contains module.
-
-The module must have been loaded by the current process.
-
-The module parameter should be a handle to the loaded module
-whose path is being requested. If this parameter is 0,
-GetModuleFileName retrieves the path of the executable file
-of the current process.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_GetModuleFileName_impl(PyObject *module, HMODULE module_handle)
-/*[clinic end generated code: output=85b4b728c5160306 input=6d66ff7deca5d11f]*/
-{
-    BOOL result;
-    WCHAR filename[MAX_PATH];
-
-    Py_BEGIN_ALLOW_THREADS
-    result = GetModuleFileNameW(module_handle, filename, MAX_PATH);
-    filename[MAX_PATH-1] = '\0';
-    Py_END_ALLOW_THREADS
-
-    if (! result)
-        return PyErr_SetFromWindowsErr(GetLastError());
-
-    return PyUnicode_FromWideChar(filename, wcslen(filename));
-}
-
-/*[clinic input]
-_winapi.GetStdHandle -> HANDLE
-
-    std_handle: DWORD
-        One of STD_INPUT_HANDLE, STD_OUTPUT_HANDLE, or STD_ERROR_HANDLE.
-    /
-
-Return a handle to the specified standard device.
-
-The integer associated with the handle object is returned.
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_GetStdHandle_impl(PyObject *module, DWORD std_handle)
-/*[clinic end generated code: output=0e613001e73ab614 input=07016b06a2fc8826]*/
-{
-    HANDLE handle;
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = GetStdHandle(std_handle);
-    Py_END_ALLOW_THREADS
-
-    if (handle == INVALID_HANDLE_VALUE)
-        PyErr_SetFromWindowsErr(GetLastError());
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.GetVersion -> long
-
-Return the version number of the current operating system.
-[clinic start generated code]*/
-
-static long
-_winapi_GetVersion_impl(PyObject *module)
-/*[clinic end generated code: output=e41f0db5a3b82682 input=e21dff8d0baeded2]*/
-/* Disable deprecation warnings about GetVersionEx as the result is
-   being passed straight through to the caller, who is responsible for
-   using it correctly. */
-#pragma warning(push)
-#pragma warning(disable:4996)
-
-{
-    return GetVersion();
-}
-
-#pragma warning(pop)
-
-/*[clinic input]
-_winapi.MapViewOfFile -> LPVOID
-
-    file_map: HANDLE
-    desired_access: DWORD
-    file_offset_high: DWORD
-    file_offset_low: DWORD
-    number_bytes: size_t
-    /
-[clinic start generated code]*/
-
-static LPVOID
-_winapi_MapViewOfFile_impl(PyObject *module, HANDLE file_map,
-                           DWORD desired_access, DWORD file_offset_high,
-                           DWORD file_offset_low, size_t number_bytes)
-/*[clinic end generated code: output=f23b1ee4823663e3 input=177471073be1a103]*/
-{
-    LPVOID address;
-
-    Py_BEGIN_ALLOW_THREADS
-    address = MapViewOfFile(file_map, desired_access, file_offset_high,
-                            file_offset_low, number_bytes);
-    Py_END_ALLOW_THREADS
-
-    if (address == NULL)
-        PyErr_SetFromWindowsErr(0);
-
-    return address;
-}
-
-/*[clinic input]
-_winapi.UnmapViewOfFile
-
-    address: LPCVOID
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_UnmapViewOfFile_impl(PyObject *module, LPCVOID address)
-/*[clinic end generated code: output=4f7e18ac75d19744 input=8c4b6119ad9288a3]*/
-{
-    BOOL success;
-
-    Py_BEGIN_ALLOW_THREADS
-    success = UnmapViewOfFile(address);
-    Py_END_ALLOW_THREADS
-
-    if (!success) {
-        return PyErr_SetFromWindowsErr(0);
-    }
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.OpenFileMapping -> HANDLE
-
-    desired_access: DWORD
-    inherit_handle: BOOL
-    name: LPCWSTR
-    /
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_OpenFileMapping_impl(PyObject *module, DWORD desired_access,
-                             BOOL inherit_handle, LPCWSTR name)
-/*[clinic end generated code: output=08cc44def1cb11f1 input=131f2a405359de7f]*/
-{
-    HANDLE handle;
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = OpenFileMappingW(desired_access, inherit_handle, name);
-    Py_END_ALLOW_THREADS
-
-    if (handle == NULL) {
-        PyObject *temp = PyUnicode_FromWideChar(name, -1);
-        PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError, 0, temp);
-        Py_XDECREF(temp);
-        handle = INVALID_HANDLE_VALUE;
-    }
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.OpenProcess -> HANDLE
-
-    desired_access: DWORD
-    inherit_handle: BOOL
-    process_id: DWORD
-    /
-[clinic start generated code]*/
-
-static HANDLE
-_winapi_OpenProcess_impl(PyObject *module, DWORD desired_access,
-                         BOOL inherit_handle, DWORD process_id)
-/*[clinic end generated code: output=b42b6b81ea5a0fc3 input=ec98c4cf4ea2ec36]*/
-{
-    HANDLE handle;
-
-    if (PySys_Audit("_winapi.OpenProcess", "II",
-                    process_id, desired_access) < 0) {
-        return INVALID_HANDLE_VALUE;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    handle = OpenProcess(desired_access, inherit_handle, process_id);
-    Py_END_ALLOW_THREADS
-    if (handle == NULL) {
-        PyErr_SetFromWindowsErr(GetLastError());
-        handle = INVALID_HANDLE_VALUE;
-    }
-
-    return handle;
-}
-
-/*[clinic input]
-_winapi.PeekNamedPipe
-
-    handle: HANDLE
-    size: int = 0
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_PeekNamedPipe_impl(PyObject *module, HANDLE handle, int size)
-/*[clinic end generated code: output=d0c3e29e49d323dd input=c7aa53bfbce69d70]*/
-{
-    PyObject *buf = NULL;
-    DWORD nread, navail, nleft;
-    BOOL ret;
-
-    if (size < 0) {
-        PyErr_SetString(PyExc_ValueError, "negative size");
-        return NULL;
-    }
-
-    if (size) {
-        buf = PyBytes_FromStringAndSize(NULL, size);
-        if (!buf)
-            return NULL;
-        Py_BEGIN_ALLOW_THREADS
-        ret = PeekNamedPipe(handle, PyBytes_AS_STRING(buf), size, &nread,
-                            &navail, &nleft);
-        Py_END_ALLOW_THREADS
-        if (!ret) {
-            Py_DECREF(buf);
-            return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-        }
-        if (_PyBytes_Resize(&buf, nread))
-            return NULL;
-        return Py_BuildValue("NII", buf, navail, nleft);
-    }
-    else {
-        Py_BEGIN_ALLOW_THREADS
-        ret = PeekNamedPipe(handle, NULL, 0, NULL, &navail, &nleft);
-        Py_END_ALLOW_THREADS
-        if (!ret) {
-            return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-        }
-        return Py_BuildValue("II", navail, nleft);
-    }
-}
-
-/*[clinic input]
-_winapi.LCMapStringEx
-
-    locale: LPCWSTR
-    flags: DWORD
-    src: unicode
-
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_LCMapStringEx_impl(PyObject *module, LPCWSTR locale, DWORD flags,
-                           PyObject *src)
-/*[clinic end generated code: output=b90e6b26e028ff0a input=3e3dcd9b8164012f]*/
-{
-    if (flags & (LCMAP_SORTHANDLE | LCMAP_HASH | LCMAP_BYTEREV |
-                 LCMAP_SORTKEY)) {
-        return PyErr_Format(PyExc_ValueError, "unsupported flags");
-    }
-
-    Py_ssize_t src_size;
-    wchar_t *src_ = PyUnicode_AsWideCharString(src, &src_size);
-    if (!src_) {
-        return NULL;
-    }
-    if (src_size > INT_MAX) {
-        PyMem_Free(src_);
-        PyErr_SetString(PyExc_OverflowError, "input string is too long");
-        return NULL;
-    }
-
-    int dest_size = LCMapStringEx(locale, flags, src_, (int)src_size, NULL, 0,
-                                  NULL, NULL, 0);
-    if (dest_size <= 0) {
-        DWORD error = GetLastError();
-        PyMem_Free(src_);
-        return PyErr_SetFromWindowsErr(error);
-    }
-
-    wchar_t* dest = PyMem_NEW(wchar_t, dest_size);
-    if (dest == NULL) {
-        PyMem_Free(src_);
-        return PyErr_NoMemory();
-    }
-
-    int nmapped = LCMapStringEx(locale, flags, src_, (int)src_size, dest, dest_size,
-                                NULL, NULL, 0);
-    if (nmapped <= 0) {
-        DWORD error = GetLastError();
-        PyMem_Free(src_);
-        PyMem_DEL(dest);
-        return PyErr_SetFromWindowsErr(error);
-    }
-
-    PyMem_Free(src_);
-    PyObject *ret = PyUnicode_FromWideChar(dest, nmapped);
-    PyMem_DEL(dest);
-
-    return ret;
-}
-
-/*[clinic input]
-_winapi.ReadFile
-
-    handle: HANDLE
-    size: DWORD
-    overlapped as use_overlapped: bool = False
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_ReadFile_impl(PyObject *module, HANDLE handle, DWORD size,
-                      int use_overlapped)
-/*[clinic end generated code: output=d3d5b44a8201b944 input=4f82f8e909ad91ad]*/
-{
-    DWORD nread;
-    PyObject *buf;
-    BOOL ret;
-    DWORD err;
-    OverlappedObject *overlapped = NULL;
-
-    buf = PyBytes_FromStringAndSize(NULL, size);
-    if (!buf)
-        return NULL;
-    if (use_overlapped) {
-        overlapped = new_overlapped(module, handle);
-        if (!overlapped) {
-            Py_DECREF(buf);
-            return NULL;
-        }
-        /* Steals reference to buf */
-        overlapped->read_buffer = buf;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    ret = ReadFile(handle, PyBytes_AS_STRING(buf), size, &nread,
-                   overlapped ? &overlapped->overlapped : NULL);
-    Py_END_ALLOW_THREADS
-
-    err = ret ? 0 : GetLastError();
-
-    if (overlapped) {
-        if (!ret) {
-            if (err == ERROR_IO_PENDING)
-                overlapped->pending = 1;
-            else if (err != ERROR_MORE_DATA) {
-                Py_DECREF(overlapped);
-                return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-            }
-        }
-        return Py_BuildValue("NI", (PyObject *) overlapped, err);
-    }
-
-    if (!ret && err != ERROR_MORE_DATA) {
-        Py_DECREF(buf);
-        return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-    }
-    if (_PyBytes_Resize(&buf, nread))
-        return NULL;
-    return Py_BuildValue("NI", buf, err);
-}
-
-/*[clinic input]
-_winapi.SetNamedPipeHandleState
-
-    named_pipe: HANDLE
-    mode: object
-    max_collection_count: object
-    collect_data_timeout: object
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_SetNamedPipeHandleState_impl(PyObject *module, HANDLE named_pipe,
-                                     PyObject *mode,
-                                     PyObject *max_collection_count,
-                                     PyObject *collect_data_timeout)
-/*[clinic end generated code: output=f2129d222cbfa095 input=9142d72163d0faa6]*/
-{
-    PyObject *oArgs[3] = {mode, max_collection_count, collect_data_timeout};
-    DWORD dwArgs[3], *pArgs[3] = {NULL, NULL, NULL};
-    int i;
-    BOOL b;
-
-    for (i = 0 ; i < 3 ; i++) {
-        if (oArgs[i] != Py_None) {
-            dwArgs[i] = PyLong_AsUnsignedLongMask(oArgs[i]);
-            if (PyErr_Occurred())
-                return NULL;
-            pArgs[i] = &dwArgs[i];
-        }
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    b = SetNamedPipeHandleState(named_pipe, pArgs[0], pArgs[1], pArgs[2]);
-    Py_END_ALLOW_THREADS
-
-    if (!b)
-        return PyErr_SetFromWindowsErr(0);
-
-    Py_RETURN_NONE;
-}
-
-
-/*[clinic input]
-_winapi.TerminateProcess
-
-    handle: HANDLE
-    exit_code: UINT
-    /
-
-Terminate the specified process and all of its threads.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_TerminateProcess_impl(PyObject *module, HANDLE handle,
-                              UINT exit_code)
-/*[clinic end generated code: output=f4e99ac3f0b1f34a input=d6bc0aa1ee3bb4df]*/
-{
-    BOOL result;
-
-    if (PySys_Audit("_winapi.TerminateProcess", "nI",
-                    (Py_ssize_t)handle, exit_code) < 0) {
-        return NULL;
-    }
-
-    result = TerminateProcess(handle, exit_code);
-
-    if (! result)
-        return PyErr_SetFromWindowsErr(GetLastError());
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.VirtualQuerySize -> size_t
-
-    address: LPCVOID
-    /
-[clinic start generated code]*/
-
-static size_t
-_winapi_VirtualQuerySize_impl(PyObject *module, LPCVOID address)
-/*[clinic end generated code: output=40c8e0ff5ec964df input=6b784a69755d0bb6]*/
-{
-    SIZE_T size_of_buf;
-    MEMORY_BASIC_INFORMATION mem_basic_info;
-    SIZE_T region_size;
-
-    Py_BEGIN_ALLOW_THREADS
-    size_of_buf = VirtualQuery(address, &mem_basic_info, sizeof(mem_basic_info));
-    Py_END_ALLOW_THREADS
-
-    if (size_of_buf == 0)
-        PyErr_SetFromWindowsErr(0);
-
-    region_size = mem_basic_info.RegionSize;
-    return region_size;
-}
-
-/*[clinic input]
-_winapi.WaitNamedPipe
-
-    name: LPCTSTR
-    timeout: DWORD
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_WaitNamedPipe_impl(PyObject *module, LPCTSTR name, DWORD timeout)
-/*[clinic end generated code: output=c2866f4439b1fe38 input=36fc781291b1862c]*/
-{
-    BOOL success;
-
-    Py_BEGIN_ALLOW_THREADS
-    success = WaitNamedPipe(name, timeout);
-    Py_END_ALLOW_THREADS
-
-    if (!success)
-        return PyErr_SetFromWindowsErr(0);
-
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
-_winapi.WaitForMultipleObjects
-
-    handle_seq: object
-    wait_flag: BOOL
-    milliseconds: DWORD(c_default='INFINITE') = _winapi.INFINITE
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_WaitForMultipleObjects_impl(PyObject *module, PyObject *handle_seq,
-                                    BOOL wait_flag, DWORD milliseconds)
-/*[clinic end generated code: output=295e3f00b8e45899 input=36f76ca057cd28a0]*/
-{
-    DWORD result;
-    HANDLE handles[MAXIMUM_WAIT_OBJECTS];
-    HANDLE sigint_event = NULL;
-    Py_ssize_t nhandles, i;
-
-    if (!PySequence_Check(handle_seq)) {
-        PyErr_Format(PyExc_TypeError,
-                     "sequence type expected, got '%s'",
-                     Py_TYPE(handle_seq)->tp_name);
-        return NULL;
-    }
-    nhandles = PySequence_Length(handle_seq);
-    if (nhandles == -1)
-        return NULL;
-    if (nhandles < 0 || nhandles > MAXIMUM_WAIT_OBJECTS - 1) {
-        PyErr_Format(PyExc_ValueError,
-                     "need at most %zd handles, got a sequence of length %zd",
-                     MAXIMUM_WAIT_OBJECTS - 1, nhandles);
-        return NULL;
-    }
-    for (i = 0; i < nhandles; i++) {
-        HANDLE h;
-        PyObject *v = PySequence_GetItem(handle_seq, i);
-        if (v == NULL)
-            return NULL;
-        if (!PyArg_Parse(v, F_HANDLE, &h)) {
-            Py_DECREF(v);
-            return NULL;
-        }
-        handles[i] = h;
-        Py_DECREF(v);
-    }
-    /* If this is the main thread then make the wait interruptible
-       by Ctrl-C unless we are waiting for *all* handles */
-    if (!wait_flag && _PyOS_IsMainThread()) {
-        sigint_event = _PyOS_SigintEvent();
-        assert(sigint_event != NULL);
-        handles[nhandles++] = sigint_event;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    if (sigint_event != NULL)
-        ResetEvent(sigint_event);
-    result = WaitForMultipleObjects((DWORD) nhandles, handles,
-                                    wait_flag, milliseconds);
-    Py_END_ALLOW_THREADS
-
-    if (result == WAIT_FAILED)
-        return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-    else if (sigint_event != NULL && result == WAIT_OBJECT_0 + nhandles - 1) {
-        errno = EINTR;
-        return PyErr_SetFromErrno(PyExc_OSError);
-    }
-
-    return PyLong_FromLong((int) result);
-}
-
-/*[clinic input]
-_winapi.WaitForSingleObject -> long
-
-    handle: HANDLE
-    milliseconds: DWORD
-    /
-
-Wait for a single object.
-
-Wait until the specified object is in the signaled state or
-the time-out interval elapses. The timeout value is specified
-in milliseconds.
-[clinic start generated code]*/
-
-static long
-_winapi_WaitForSingleObject_impl(PyObject *module, HANDLE handle,
-                                 DWORD milliseconds)
-/*[clinic end generated code: output=3c4715d8f1b39859 input=443d1ab076edc7b1]*/
-{
-    DWORD result;
-
-    Py_BEGIN_ALLOW_THREADS
-    result = WaitForSingleObject(handle, milliseconds);
-    Py_END_ALLOW_THREADS
-
-    if (result == WAIT_FAILED) {
-        PyErr_SetFromWindowsErr(GetLastError());
-        return -1;
-    }
-
-    return result;
-}
-
-/*[clinic input]
-_winapi.WriteFile
-
-    handle: HANDLE
-    buffer: object
-    overlapped as use_overlapped: bool = False
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_WriteFile_impl(PyObject *module, HANDLE handle, PyObject *buffer,
-                       int use_overlapped)
-/*[clinic end generated code: output=2ca80f6bf3fa92e3 input=2badb008c8a2e2a0]*/
-{
-    Py_buffer _buf, *buf;
-    DWORD len, written;
-    BOOL ret;
-    DWORD err;
-    OverlappedObject *overlapped = NULL;
-
-    if (use_overlapped) {
-        overlapped = new_overlapped(module, handle);
-        if (!overlapped)
-            return NULL;
-        buf = &overlapped->write_buffer;
-    }
-    else
-        buf = &_buf;
-
-    if (!PyArg_Parse(buffer, "y*", buf)) {
-        Py_XDECREF(overlapped);
-        return NULL;
-    }
-
-    Py_BEGIN_ALLOW_THREADS
-    len = (DWORD)Py_MIN(buf->len, PY_DWORD_MAX);
-    ret = WriteFile(handle, buf->buf, len, &written,
-                    overlapped ? &overlapped->overlapped : NULL);
-    Py_END_ALLOW_THREADS
-
-    err = ret ? 0 : GetLastError();
-
-    if (overlapped) {
-        if (!ret) {
-            if (err == ERROR_IO_PENDING)
-                overlapped->pending = 1;
-            else {
-                Py_DECREF(overlapped);
-                return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-            }
-        }
-        return Py_BuildValue("NI", (PyObject *) overlapped, err);
-    }
-
-    PyBuffer_Release(buf);
-    if (!ret)
-        return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
-    return Py_BuildValue("II", written, err);
-}
-
-/*[clinic input]
-_winapi.GetACP
-
-Get the current Windows ANSI code page identifier.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_GetACP_impl(PyObject *module)
-/*[clinic end generated code: output=f7ee24bf705dbb88 input=1433c96d03a05229]*/
-{
-    return PyLong_FromUnsignedLong(GetACP());
-}
-
-/*[clinic input]
-_winapi.GetFileType -> DWORD
-
-    handle: HANDLE
-[clinic start generated code]*/
-
-static DWORD
-_winapi_GetFileType_impl(PyObject *module, HANDLE handle)
-/*[clinic end generated code: output=92b8466ac76ecc17 input=0058366bc40bbfbf]*/
-{
-    DWORD result;
-
-    Py_BEGIN_ALLOW_THREADS
-    result = GetFileType(handle);
-    Py_END_ALLOW_THREADS
-
-    if (result == FILE_TYPE_UNKNOWN && GetLastError() != NO_ERROR) {
-        PyErr_SetFromWindowsErr(0);
-        return -1;
-    }
-
-    return result;
-}
-
-
-/*[clinic input]
-_winapi._mimetypes_read_windows_registry
-
-    on_type_read: object
-
-Optimized function for reading all known MIME types from the registry.
-
-*on_type_read* is a callable taking *type* and *ext* arguments, as for
-MimeTypes.add_type.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi__mimetypes_read_windows_registry_impl(PyObject *module,
-                                              PyObject *on_type_read)
-/*[clinic end generated code: output=20829f00bebce55b input=cd357896d6501f68]*/
-{
-#define CCH_EXT 128
-#define CB_TYPE 510
-    struct {
-        wchar_t ext[CCH_EXT];
-        wchar_t type[CB_TYPE / sizeof(wchar_t) + 1];
-    } entries[64];
-    int entry = 0;
-    HKEY hkcr = NULL;
-    LRESULT err;
-
-    Py_BEGIN_ALLOW_THREADS
-    err = RegOpenKeyExW(HKEY_CLASSES_ROOT, NULL, 0, KEY_READ, &hkcr);
-    for (DWORD i = 0; err == ERROR_SUCCESS || err == ERROR_MORE_DATA; ++i) {
-        LPWSTR ext = entries[entry].ext;
-        LPWSTR type = entries[entry].type;
-        DWORD cchExt = CCH_EXT;
-        DWORD cbType = CB_TYPE;
-        HKEY subkey;
-        DWORD regType;
-
-        err = RegEnumKeyExW(hkcr, i, ext, &cchExt, NULL, NULL, NULL, NULL);
-        if (err != ERROR_SUCCESS || (cchExt && ext[0] != L'.')) {
-            continue;
-        }
-
-        err = RegOpenKeyExW(hkcr, ext, 0, KEY_READ, &subkey);
-        if (err == ERROR_FILE_NOT_FOUND) {
-            err = ERROR_SUCCESS;
-            continue;
-        } else if (err != ERROR_SUCCESS) {
-            continue;
-        }
-
-        err = RegQueryValueExW(subkey, L"Content Type", NULL,
-                              &regType, (LPBYTE)type, &cbType);
-        RegCloseKey(subkey);
-        if (err == ERROR_FILE_NOT_FOUND) {
-            err = ERROR_SUCCESS;
-            continue;
-        } else if (err != ERROR_SUCCESS) {
-            continue;
-        } else if (regType != REG_SZ || !cbType) {
-            continue;
-        }
-        type[cbType / sizeof(wchar_t)] = L'\0';
-
-        entry += 1;
-
-        /* Flush our cached entries if we are full */
-        if (entry == sizeof(entries) / sizeof(entries[0])) {
-            Py_BLOCK_THREADS
-            for (int j = 0; j < entry; ++j) {
-                PyObject *r = PyObject_CallFunction(
-                    on_type_read, "uu", entries[j].type, entries[j].ext
-                );
-                if (!r) {
-                    /* We blocked threads, so safe to return from here */
-                    RegCloseKey(hkcr);
-                    return NULL;
-                }
-                Py_DECREF(r);
-            }
-            Py_UNBLOCK_THREADS
-            entry = 0;
-        }
-    }
-    if (hkcr) {
-        RegCloseKey(hkcr);
-    }
-    Py_END_ALLOW_THREADS
-
-    if (err != ERROR_SUCCESS && err != ERROR_NO_MORE_ITEMS) {
-        PyErr_SetFromWindowsErr((int)err);
-        return NULL;
-    }
-
-    for (int j = 0; j < entry; ++j) {
-        PyObject *r = PyObject_CallFunction(
-            on_type_read, "uu", entries[j].type, entries[j].ext
-        );
-        if (!r) {
-            return NULL;
-        }
-        Py_DECREF(r);
-    }
-
-    Py_RETURN_NONE;
-#undef CCH_EXT
-#undef CB_TYPE
-}
-
-/*[clinic input]
-_winapi.NeedCurrentDirectoryForExePath -> bool
-
-    exe_name: LPCWSTR
-    /
-[clinic start generated code]*/
-
-static int
-_winapi_NeedCurrentDirectoryForExePath_impl(PyObject *module,
-                                            LPCWSTR exe_name)
-/*[clinic end generated code: output=a65ec879502b58fc input=972aac88a1ec2f00]*/
-{
-    BOOL result;
-
-    Py_BEGIN_ALLOW_THREADS
-    result = NeedCurrentDirectoryForExePathW(exe_name);
-    Py_END_ALLOW_THREADS
-
-    return result;
-}
-
-
-/*[clinic input]
-_winapi.CopyFile2
-
-    existing_file_name: LPCWSTR
-    new_file_name: LPCWSTR
-    flags: DWORD
-    progress_routine: object = None
-
-Copies a file from one name to a new name.
-
-This is implemented using the CopyFile2 API, which preserves all stat
-and metadata information apart from security attributes.
-
-progress_routine is reserved for future use, but is currently not
-implemented. Its value is ignored.
-[clinic start generated code]*/
-
-static PyObject *
-_winapi_CopyFile2_impl(PyObject *module, LPCWSTR existing_file_name,
-                       LPCWSTR new_file_name, DWORD flags,
-                       PyObject *progress_routine)
-/*[clinic end generated code: output=43d960d9df73d984 input=fb976b8d1492d130]*/
-{
-    HRESULT hr;
-    COPYFILE2_EXTENDED_PARAMETERS params = { sizeof(COPYFILE2_EXTENDED_PARAMETERS) };
-
-    if (PySys_Audit("_winapi.CopyFile2", "uuI",
-                    existing_file_name, new_file_name, flags) < 0) {
-        return NULL;
-    }
-
-    params.dwCopyFlags = flags;
-    /* For future implementation. We ignore the value for now so that
-       users only have to test for 'CopyFile2' existing and not whether
-       the additional parameter exists.
-    if (progress_routine != Py_None) {
-        params.pProgressRoutine = _winapi_CopyFile2ProgressRoutine;
-        params.pvCallbackContext = Py_NewRef(progress_routine);
-    }
-    */
-    Py_BEGIN_ALLOW_THREADS;
-    hr = CopyFile2(existing_file_name, new_file_name, &params);
-    Py_END_ALLOW_THREADS;
-    /* For future implementation.
-    if (progress_routine != Py_None) {
-        Py_DECREF(progress_routine);
-    }
-    */
-    if (FAILED(hr)) {
-        if ((hr & 0xFFFF0000) == 0x80070000) {
-            PyErr_SetFromWindowsErr(hr & 0xFFFF);
-        } else {
-            PyErr_SetFromWindowsErr(hr);
-        }
-        return NULL;
-    }
-    Py_RETURN_NONE;
-}
-
-
-static PyMethodDef winapi_functions[] = {
-    _WINAPI_CLOSEHANDLE_METHODDEF
-    _WINAPI_CONNECTNAMEDPIPE_METHODDEF
-    _WINAPI_CREATEFILE_METHODDEF
-    _WINAPI_CREATEFILEMAPPING_METHODDEF
-    _WINAPI_CREATENAMEDPIPE_METHODDEF
-    _WINAPI_CREATEPIPE_METHODDEF
-    _WINAPI_CREATEPROCESS_METHODDEF
-    _WINAPI_CREATEJUNCTION_METHODDEF
-    _WINAPI_DUPLICATEHANDLE_METHODDEF
-    _WINAPI_EXITPROCESS_METHODDEF
-    _WINAPI_GETCURRENTPROCESS_METHODDEF
-    _WINAPI_GETEXITCODEPROCESS_METHODDEF
-    _WINAPI_GETLASTERROR_METHODDEF
-    _WINAPI_GETMODULEFILENAME_METHODDEF
-    _WINAPI_GETSTDHANDLE_METHODDEF
-    _WINAPI_GETVERSION_METHODDEF
-    _WINAPI_MAPVIEWOFFILE_METHODDEF
-    _WINAPI_OPENFILEMAPPING_METHODDEF
-    _WINAPI_OPENPROCESS_METHODDEF
-    _WINAPI_PEEKNAMEDPIPE_METHODDEF
-    _WINAPI_LCMAPSTRINGEX_METHODDEF
-    _WINAPI_READFILE_METHODDEF
-    _WINAPI_SETNAMEDPIPEHANDLESTATE_METHODDEF
-    _WINAPI_TERMINATEPROCESS_METHODDEF
-    _WINAPI_UNMAPVIEWOFFILE_METHODDEF
-    _WINAPI_VIRTUALQUERYSIZE_METHODDEF
-    _WINAPI_WAITNAMEDPIPE_METHODDEF
-    _WINAPI_WAITFORMULTIPLEOBJECTS_METHODDEF
-    _WINAPI_WAITFORSINGLEOBJECT_METHODDEF
-    _WINAPI_WRITEFILE_METHODDEF
-    _WINAPI_GETACP_METHODDEF
-    _WINAPI_GETFILETYPE_METHODDEF
-    _WINAPI__MIMETYPES_READ_WINDOWS_REGISTRY_METHODDEF
-    _WINAPI_NEEDCURRENTDIRECTORYFOREXEPATH_METHODDEF
-    _WINAPI_COPYFILE2_METHODDEF
-    {NULL, NULL}
-};
-
-#define WINAPI_CONSTANT(fmt, con) \
-    do { \
-        PyObject *value = Py_BuildValue(fmt, con); \
-        if (value == NULL) { \
-            return -1; \
-        } \
-        if (PyDict_SetItemString(d, #con, value) < 0) { \
-            Py_DECREF(value); \
-            return -1; \
-        } \
-        Py_DECREF(value); \
-    } while (0)
-
-static int winapi_exec(PyObject *m)
-{
-    WinApiState *st = winapi_get_state(m);
-
-    st->overlapped_type = (PyTypeObject *)PyType_FromModuleAndSpec(m, &winapi_overlapped_type_spec, NULL);
-    if (st->overlapped_type == NULL) {
-        return -1;
-    }
-
-    if (PyModule_AddType(m, st->overlapped_type) < 0) {
-        return -1;
-    }
-
-    PyObject *d = PyModule_GetDict(m);
-
-    /* constants */
-    WINAPI_CONSTANT(F_DWORD, CREATE_NEW_CONSOLE);
-    WINAPI_CONSTANT(F_DWORD, CREATE_NEW_PROCESS_GROUP);
-    WINAPI_CONSTANT(F_DWORD, DUPLICATE_SAME_ACCESS);
-    WINAPI_CONSTANT(F_DWORD, DUPLICATE_CLOSE_SOURCE);
-    WINAPI_CONSTANT(F_DWORD, ERROR_ACCESS_DENIED);
-    WINAPI_CONSTANT(F_DWORD, ERROR_ALREADY_EXISTS);
-    WINAPI_CONSTANT(F_DWORD, ERROR_BROKEN_PIPE);
-    WINAPI_CONSTANT(F_DWORD, ERROR_IO_PENDING);
-    WINAPI_CONSTANT(F_DWORD, ERROR_MORE_DATA);
-    WINAPI_CONSTANT(F_DWORD, ERROR_NETNAME_DELETED);
-    WINAPI_CONSTANT(F_DWORD, ERROR_NO_SYSTEM_RESOURCES);
-    WINAPI_CONSTANT(F_DWORD, ERROR_MORE_DATA);
-    WINAPI_CONSTANT(F_DWORD, ERROR_NETNAME_DELETED);
-    WINAPI_CONSTANT(F_DWORD, ERROR_NO_DATA);
-    WINAPI_CONSTANT(F_DWORD, ERROR_NO_SYSTEM_RESOURCES);
-    WINAPI_CONSTANT(F_DWORD, ERROR_OPERATION_ABORTED);
-    WINAPI_CONSTANT(F_DWORD, ERROR_PIPE_BUSY);
-    WINAPI_CONSTANT(F_DWORD, ERROR_PIPE_CONNECTED);
-    WINAPI_CONSTANT(F_DWORD, ERROR_PRIVILEGE_NOT_HELD);
-    WINAPI_CONSTANT(F_DWORD, ERROR_SEM_TIMEOUT);
-    WINAPI_CONSTANT(F_DWORD, FILE_FLAG_FIRST_PIPE_INSTANCE);
-    WINAPI_CONSTANT(F_DWORD, FILE_FLAG_OVERLAPPED);
-    WINAPI_CONSTANT(F_DWORD, FILE_GENERIC_READ);
-    WINAPI_CONSTANT(F_DWORD, FILE_GENERIC_WRITE);
-    WINAPI_CONSTANT(F_DWORD, FILE_MAP_ALL_ACCESS);
-    WINAPI_CONSTANT(F_DWORD, FILE_MAP_COPY);
-    WINAPI_CONSTANT(F_DWORD, FILE_MAP_EXECUTE);
-    WINAPI_CONSTANT(F_DWORD, FILE_MAP_READ);
-    WINAPI_CONSTANT(F_DWORD, FILE_MAP_WRITE);
-    WINAPI_CONSTANT(F_DWORD, GENERIC_READ);
-    WINAPI_CONSTANT(F_DWORD, GENERIC_WRITE);
-    WINAPI_CONSTANT(F_DWORD, INFINITE);
-    WINAPI_CONSTANT(F_HANDLE, INVALID_HANDLE_VALUE);
-    WINAPI_CONSTANT(F_DWORD, MEM_COMMIT);
-    WINAPI_CONSTANT(F_DWORD, MEM_FREE);
-    WINAPI_CONSTANT(F_DWORD, MEM_IMAGE);
-    WINAPI_CONSTANT(F_DWORD, MEM_MAPPED);
-    WINAPI_CONSTANT(F_DWORD, MEM_PRIVATE);
-    WINAPI_CONSTANT(F_DWORD, MEM_RESERVE);
-    WINAPI_CONSTANT(F_DWORD, NMPWAIT_WAIT_FOREVER);
-    WINAPI_CONSTANT(F_DWORD, OPEN_EXISTING);
-    WINAPI_CONSTANT(F_DWORD, PAGE_EXECUTE);
-    WINAPI_CONSTANT(F_DWORD, PAGE_EXECUTE_READ);
-    WINAPI_CONSTANT(F_DWORD, PAGE_EXECUTE_READWRITE);
-    WINAPI_CONSTANT(F_DWORD, PAGE_EXECUTE_WRITECOPY);
-    WINAPI_CONSTANT(F_DWORD, PAGE_GUARD);
-    WINAPI_CONSTANT(F_DWORD, PAGE_NOACCESS);
-    WINAPI_CONSTANT(F_DWORD, PAGE_NOCACHE);
-    WINAPI_CONSTANT(F_DWORD, PAGE_READONLY);
-    WINAPI_CONSTANT(F_DWORD, PAGE_READWRITE);
-    WINAPI_CONSTANT(F_DWORD, PAGE_WRITECOMBINE);
-    WINAPI_CONSTANT(F_DWORD, PAGE_WRITECOPY);
-    WINAPI_CONSTANT(F_DWORD, PIPE_ACCESS_DUPLEX);
-    WINAPI_CONSTANT(F_DWORD, PIPE_ACCESS_INBOUND);
-    WINAPI_CONSTANT(F_DWORD, PIPE_READMODE_MESSAGE);
-    WINAPI_CONSTANT(F_DWORD, PIPE_TYPE_MESSAGE);
-    WINAPI_CONSTANT(F_DWORD, PIPE_UNLIMITED_INSTANCES);
-    WINAPI_CONSTANT(F_DWORD, PIPE_WAIT);
-    WINAPI_CONSTANT(F_DWORD, PROCESS_ALL_ACCESS);
-    WINAPI_CONSTANT(F_DWORD, SYNCHRONIZE);
-    WINAPI_CONSTANT(F_DWORD, PROCESS_DUP_HANDLE);
-    WINAPI_CONSTANT(F_DWORD, SEC_COMMIT);
-    WINAPI_CONSTANT(F_DWORD, SEC_IMAGE);
-    WINAPI_CONSTANT(F_DWORD, SEC_LARGE_PAGES);
-    WINAPI_CONSTANT(F_DWORD, SEC_NOCACHE);
-    WINAPI_CONSTANT(F_DWORD, SEC_RESERVE);
-    WINAPI_CONSTANT(F_DWORD, SEC_WRITECOMBINE);
-    WINAPI_CONSTANT(F_DWORD, STARTF_USESHOWWINDOW);
-    WINAPI_CONSTANT(F_DWORD, STARTF_USESTDHANDLES);
-    WINAPI_CONSTANT(F_DWORD, STD_INPUT_HANDLE);
-    WINAPI_CONSTANT(F_DWORD, STD_OUTPUT_HANDLE);
-    WINAPI_CONSTANT(F_DWORD, STD_ERROR_HANDLE);
-    WINAPI_CONSTANT(F_DWORD, STILL_ACTIVE);
-    WINAPI_CONSTANT(F_DWORD, SW_HIDE);
-    WINAPI_CONSTANT(F_DWORD, WAIT_OBJECT_0);
-    WINAPI_CONSTANT(F_DWORD, WAIT_ABANDONED_0);
-    WINAPI_CONSTANT(F_DWORD, WAIT_TIMEOUT);
-
-    WINAPI_CONSTANT(F_DWORD, ABOVE_NORMAL_PRIORITY_CLASS);
-    WINAPI_CONSTANT(F_DWORD, BELOW_NORMAL_PRIORITY_CLASS);
-    WINAPI_CONSTANT(F_DWORD, HIGH_PRIORITY_CLASS);
-    WINAPI_CONSTANT(F_DWORD, IDLE_PRIORITY_CLASS);
-    WINAPI_CONSTANT(F_DWORD, NORMAL_PRIORITY_CLASS);
-    WINAPI_CONSTANT(F_DWORD, REALTIME_PRIORITY_CLASS);
-
-    WINAPI_CONSTANT(F_DWORD, CREATE_NO_WINDOW);
-    WINAPI_CONSTANT(F_DWORD, DETACHED_PROCESS);
-    WINAPI_CONSTANT(F_DWORD, CREATE_DEFAULT_ERROR_MODE);
-    WINAPI_CONSTANT(F_DWORD, CREATE_BREAKAWAY_FROM_JOB);
-
-    WINAPI_CONSTANT(F_DWORD, FILE_TYPE_UNKNOWN);
-    WINAPI_CONSTANT(F_DWORD, FILE_TYPE_DISK);
-    WINAPI_CONSTANT(F_DWORD, FILE_TYPE_CHAR);
-    WINAPI_CONSTANT(F_DWORD, FILE_TYPE_PIPE);
-    WINAPI_CONSTANT(F_DWORD, FILE_TYPE_REMOTE);
-
-    WINAPI_CONSTANT("u", LOCALE_NAME_INVARIANT);
-    WINAPI_CONSTANT(F_DWORD, LOCALE_NAME_MAX_LENGTH);
-    WINAPI_CONSTANT("u", LOCALE_NAME_SYSTEM_DEFAULT);
-    WINAPI_CONSTANT("u", LOCALE_NAME_USER_DEFAULT);
-
-    WINAPI_CONSTANT(F_DWORD, LCMAP_FULLWIDTH);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_HALFWIDTH);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_HIRAGANA);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_KATAKANA);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_LINGUISTIC_CASING);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_LOWERCASE);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_SIMPLIFIED_CHINESE);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_TITLECASE);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_TRADITIONAL_CHINESE);
-    WINAPI_CONSTANT(F_DWORD, LCMAP_UPPERCASE);
-
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_ALLOW_DECRYPTED_DESTINATION);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_COPY_SYMLINK);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_FAIL_IF_EXISTS);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_NO_BUFFERING);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_NO_OFFLOAD);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_OPEN_SOURCE_FOR_WRITE);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_RESTARTABLE);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_REQUEST_SECURITY_PRIVILEGES);
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_RESUME_FROM_PAUSE);
-#ifndef COPY_FILE_REQUEST_COMPRESSED_TRAFFIC
-    // Only defined in newer WinSDKs
-    #define COPY_FILE_REQUEST_COMPRESSED_TRAFFIC 0x10000000
-#endif
-    WINAPI_CONSTANT(F_DWORD, COPY_FILE_REQUEST_COMPRESSED_TRAFFIC);
-
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_CHUNK_STARTED);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_CHUNK_FINISHED);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_STREAM_STARTED);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_STREAM_FINISHED);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_POLL_CONTINUE);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_CALLBACK_ERROR);
-
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_PROGRESS_CONTINUE);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_PROGRESS_CANCEL);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_PROGRESS_STOP);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_PROGRESS_QUIET);
-    WINAPI_CONSTANT(F_DWORD, COPYFILE2_PROGRESS_PAUSE);
-
-    WINAPI_CONSTANT("i", NULL);
-
-    return 0;
-}
-
-static PyModuleDef_Slot winapi_slots[] = {
-    {Py_mod_exec, winapi_exec},
-    {Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
-    {0, NULL}
-};
-
-static int
-winapi_traverse(PyObject *module, visitproc visit, void *arg)
-{
-    WinApiState *st = winapi_get_state(module);
-    Py_VISIT(st->overlapped_type);
-    return 0;
-}
-
-static int
-winapi_clear(PyObject *module)
-{
-    WinApiState *st = winapi_get_state(module);
-    Py_CLEAR(st->overlapped_type);
-    return 0;
-}
-
-static void
-winapi_free(void *module)
-{
-    winapi_clear((PyObject *)module);
-}
-
-static struct PyModuleDef winapi_module = {
-    PyModuleDef_HEAD_INIT,
-    .m_name = "_winapi",
-    .m_size = sizeof(WinApiState),
-    .m_methods = winapi_functions,
-    .m_slots = winapi_slots,
-    .m_traverse = winapi_traverse,
-    .m_clear = winapi_clear,
-    .m_free = winapi_free,
-};
-
-PyMODINIT_FUNC
-PyInit__winapi(void)
-{
-    return PyModuleDef_Init(&winapi_module);
-}