From 5d3fc092e9eae1982ae9947066546131c57f2fbe Mon Sep 17 00:00:00 2001
From: Hank Anderson <hank.p.anderson@gmail.com>
Date: Wed, 11 Feb 2015 11:10:45 -0600
Subject: [PATCH] Added MSVC defines to common.h.

Don't have unistd.h in MSVC.

Chagned YIELDING to use the YeildProcessor macro.
---
 common.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common.h b/common.h
index fe2083469..0761f5536 100644
--- a/common.h
+++ b/common.h
@@ -82,7 +82,10 @@ extern "C" {
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+#if !defined(_MSC_VER)
 #include <unistd.h>
+#endif
 
 #ifdef OS_LINUX
 #include <malloc.h>
@@ -307,8 +310,12 @@ typedef int blasint;
 #endif
 
 #if defined(OS_WINDOWS)
+#ifdef _MSC_VER
+#define YIELDING    YieldProcessor()
+#else
 #define YIELDING	SwitchToThread()
 #endif
+#endif
 
 #if defined(ARMV7) || defined(ARMV6) || defined(ARMV8) || defined(ARMV5)
 #define YIELDING        asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop; \n");