From d6e03b707796747442be86c56e88c653f91ac9ed Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Wed, 20 Apr 2016 12:56:54 +0100
Subject: [PATCH] Don't use select on Windows

Windows "select" only works for sockets so don't use it to wait for async.

Reviewed-by: Rich Salz <rsalz@openssl.org>
---
 apps/apps.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/apps.c b/apps/apps.c
index 6d8c4897d0..8cf3b59ee8 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -2621,6 +2621,8 @@ BIO *bio_open_default_quiet(const char *filename, char mode, int format)
 
 void wait_for_async(SSL *s)
 {
+    /* On Windows select only works for sockets, so we simply don't wait  */
+#ifndef OPENSSL_SYS_WINDOWS
     int width = 0;
     fd_set asyncfds;
     OSSL_ASYNC_FD *fds;
@@ -2644,4 +2646,5 @@ void wait_for_async(SSL *s)
         fds++;
     }
     select(width, (void *)&asyncfds, NULL, NULL, NULL);
+#endif
 }
-- 
2.25.1