Index: Modules/_multiprocessing/connection.h
===================================================================
--- Modules/_multiprocessing/connection.h	(révision 64812)
+++ Modules/_multiprocessing/connection.h	(copie de travail)
@@ -39,6 +39,7 @@
 	ConnectionObject *self;
 	HANDLE handle;
 	BOOL readable = TRUE, writable = TRUE;
+	struct stat *statbuf;
 
 	static char *kwlist[] = {"handle", "readable", "writable", NULL};
 
@@ -46,7 +47,8 @@
 					 &handle, &readable, &writable))
 		return NULL;
 
-	if (handle == INVALID_HANDLE_VALUE || (Py_ssize_t)handle < 0) {
+	if (handle == INVALID_HANDLE_VALUE || (Py_ssize_t)handle < 0
+	|| fstat(handle, &statbuf)) {
 		PyErr_Format(PyExc_IOError, "invalid handle %" 
 			     PY_FORMAT_SIZE_T "d", (Py_ssize_t)handle);
 		return NULL;