From 0cec877230a9232378eb2c7e21348029bbe83fea Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 22 Jul 2016 17:26:53 +0200
Subject: socket: Fix internal_select()

Bug found by Pavel Belikov ("Fragment N1"):
http://www.viva64.com/en/b/0414/#ID0ECDAE
---
 Modules/socketmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 8f571a2..8e804af 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -648,7 +648,7 @@ internal_select(PySocketSockObject *s, int writing, _PyTime_t interval,
     assert(!(connect && !writing));
 
     /* Guard against closed socket */
-    if (s->sock_fd < 0)
+    if (s->sock_fd == INVALID_SOCKET)
         return 0;
 
     /* Prefer poll, if available, since you can poll() any fd
-- 
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