From f5f7a44a477fb1a96b1531afc08e1674a620e37b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 15 Oct 2020 21:28:13 +0530
Subject: [PATCH] Allow detaching handles

---
 src/calibre/utils/windows/winutil.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/calibre/utils/windows/winutil.cpp b/src/calibre/utils/windows/winutil.cpp
index 8eded19e0e..422bdf6199 100644
--- a/src/calibre/utils/windows/winutil.cpp
+++ b/src/calibre/utils/windows/winutil.cpp
@@ -55,6 +55,13 @@ Handle_dealloc(Handle *self) {
 	Py_CLEAR(self->associated_name);
 }
 
+static PyObject*
+Handle_detach(Handle *self) {
+	void *h = self->handle;
+	self->handle = NULL;
+	return PyLong_FromVoidPtr(h);
+}
+
 static PyObject*
 Handle_as_int(Handle * self) {
 	return PyLong_FromVoidPtr(self->handle);
@@ -128,6 +135,7 @@ Handle_close(Handle *self) {
 #define M(name, args) {#name, (PyCFunction)Handle_##name, args, ""}
 static PyMethodDef Handle_methods[] = {
 	M(close, METH_NOARGS),
+	M(detach, METH_NOARGS),
     {NULL, NULL, 0, NULL}
 };
 #undef M