From 124eb69c7857f618b4807588c51bc9ba21bf8691 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sat, 3 Aug 2013 13:52:58 +0300
Subject: Windows: Add Windows support to tuklib_cpucores().

It is used for Cygwin too. I'm not sure if that is
a good or bad idea.

Thanks to Vincent Torri.
---
 src/common/tuklib_cpucores.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/common/tuklib_cpucores.c')

diff --git a/src/common/tuklib_cpucores.c b/src/common/tuklib_cpucores.c
index 1da13df7..93413a3c 100644
--- a/src/common/tuklib_cpucores.c
+++ b/src/common/tuklib_cpucores.c
@@ -12,6 +12,12 @@
 
 #include "tuklib_cpucores.h"
 
+#if defined(_WIN32) || defined(__CYGWIN__)
+#	ifndef _WIN32_WINNT
+#		define _WIN32_WINNT 0x0500
+#	endif
+#	include <windows.h>
+
 #if defined(TUKLIB_CPUCORES_SYSCTL)
 #	ifdef HAVE_SYS_PARAM_H
 #		include <sys/param.h>
@@ -33,7 +39,12 @@ tuklib_cpucores(void)
 {
 	uint32_t ret = 0;
 
-#if defined(TUKLIB_CPUCORES_SYSCTL)
+#if defined(_WIN32) || defined(__CYGWIN__)
+	SYSTEM_INFO sysinfo;
+	GetSystemInfo(&sysinfo);
+	ret = sysinfo.dwNumberOfProcessors;
+
+#elif defined(TUKLIB_CPUCORES_SYSCTL)
 	int name[2] = { CTL_HW, HW_NCPU };
 	int cpus;
 	size_t cpus_size = sizeof(cpus);
-- 
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