Readd SRWLOCK and Condition Variables under Windows

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index f6d993d07cf56be595331b9ce3ed5f892559a63b..d6c7d10a63e09012e12e2d5221701813d7d94ea6 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -17,7 +17,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
 #if !defined(TYPES_H_INCLUDED)
 #define TYPES_H_INCLUDED
 
@@ -27,6 +26,10 @@
 
 #else
 
+// Disable some silly and noisy warning from MSVC compiler
+#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
+#pragma warning(disable: 4127) // Conditional expression is constant
+
 typedef __int8 int8_t;
 typedef unsigned __int8 uint8_t;
 typedef __int16 int16;
@@ -47,6 +50,7 @@ typedef uint64_t Key;
 // Bitboard type
 typedef uint64_t Bitboard;
 
+#include <cstdlib>
 
 ////
 //// Configuration
@@ -66,6 +70,10 @@ typedef uint64_t Bitboard;
 //// -DUSE_POPCNT   | Add runtime support for use of popcnt asm-instruction.
 ////                | Works only in 64-bit mode. For compiling requires hardware
 ////                | with popcnt support. Around 4% speed-up.
+////
+//// -DOLD_LOCKS    | By default under Windows are used the fast Slim Reader/Writer (SRW)
+////                | Locks and Condition Variables: these are not supported by Windows XP
+////                | and older, to compile for those platforms you should enable OLD_LOCKS.
 
 // Automatic detection for 64-bit under Windows
 #if defined(_WIN64)