From b988ee0632a71dbc5e1c599ef46bff24b915c1c6 Mon Sep 17 00:00:00 2001
From: Richard Oudkerk <shibturn@gmail.com>
Date: Sat, 7 Sep 2013 17:40:45 +0100
Subject: [PATCH] Fix conversion from Py_ssize_t to int.

---
 Modules/_multiprocessing/multiprocessing.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Modules/_multiprocessing/multiprocessing.c b/Modules/_multiprocessing/multiprocessing.c
index 30cb5eb4511..1aaf3605714 100644
--- a/Modules/_multiprocessing/multiprocessing.c
+++ b/Modules/_multiprocessing/multiprocessing.c
@@ -99,13 +99,15 @@ multiprocessing_send(PyObject *self, PyObject *args)
 {
     HANDLE handle;
     Py_buffer buf;
-    int ret;
+    int ret, length;
 
     if (!PyArg_ParseTuple(args, F_HANDLE "y*:send" , &handle, &buf))
         return NULL;
 
+    length = (int)Py_MIN(buf.len, INT_MAX);
+
     Py_BEGIN_ALLOW_THREADS
-    ret = send((SOCKET) handle, buf.buf, buf.len, 0);
+    ret = send((SOCKET) handle, buf.buf, length, 0);
     Py_END_ALLOW_THREADS
 
     PyBuffer_Release(&buf);