#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;
# 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 * 1000 + 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 * 1000 + t.tv_usec / 1000; }
+#endif
+
#if defined(_WIN64)
# include <intrin.h> // MSVC popcnt and bsfq instrinsics
# define IS_64BIT