Fix time_to_msec() precision

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 6c9c425ea743659fd591a5d32c207276d8f2835a..4c8c813408993a33706d4eab4aaf1b0c1d3f8587 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -44,6 +44,7 @@
 #pragma warning(disable: 4127) // Conditional expression is constant
 #pragma warning(disable: 4146) // Unary minus operator applied to unsigned type
 #pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
+#pragma warning(disable: 4996) // Function _ftime() may be unsafe
 
 // MSVC does not support <inttypes.h>
 typedef   signed __int8    int8_t;
@@ -59,6 +60,20 @@ typedef unsigned __int64 uint64_t;
 #  include <inttypes.h>
 #endif
 
+#if defined(_WIN32) || defined(_WIN64)
+#  include <sys/timeb.h>
+typedef _timeb sys_time_t;
+
+inline void system_time(sys_time_t* t) { _ftime(t); }
+inline uint64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; }
+#else
+#  include <sys/time.h>
+typedef timeval sys_time_t;
+
+inline void system_time(sys_time_t* t) { gettimeofday(t, NULL); }
+inline uint64_t time_to_msec(const sys_time_t& t) { return t.tv_sec * 1000LL + t.tv_usec / 1000; }
+#endif
+
 #if defined(_WIN64)
 #  include <intrin.h> // MSVC popcnt and bsfq instrinsics
 #  define IS_64BIT