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-rw-r--r--cmake/msvc/sys/time.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/cmake/msvc/sys/time.h b/cmake/msvc/sys/time.h
new file mode 100644
index 000000000..998b5d7bb
--- /dev/null
+++ b/cmake/msvc/sys/time.h
@@ -0,0 +1,69 @@
+#ifndef _MSC_VER // [
+#error "Use this header only with Microsoft Visual C++ compilers!"
+#endif // _MSC_VER ]
+
+#ifndef _MSC_SYS_TIME_H_
+#define _MSC_SYS_TIME_H_
+
+//http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/430449b3-f6dd-4e18-84de-eebd26a8d668
+#include < time.h >
+#include <windows.h> //I've ommited this line.
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+ #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
+#else
+ #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
+#endif
+
+struct timespec {
+
+time_t tv_sec; /* Seconds since 00:00:00 GMT, */
+
+/* 1 January 1970 */
+
+long tv_nsec; /* Additional nanoseconds since */
+
+/* tv_sec */
+
+};
+
+struct timezone
+{
+ int tz_minuteswest; /* minutes W of Greenwich */
+ int tz_dsttime; /* type of dst correction */
+};
+
+static inline int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+ FILETIME ft;
+ unsigned __int64 tmpres = 0;
+ static int tzflag;
+
+ if (NULL != tv)
+ {
+ GetSystemTimeAsFileTime(&ft);
+
+ tmpres |= ft.dwHighDateTime;
+ tmpres <<= 32;
+ tmpres |= ft.dwLowDateTime;
+
+ /*converting file time to unix epoch*/
+ tmpres -= DELTA_EPOCH_IN_MICROSECS;
+ tv->tv_sec = (long)(tmpres / 1000000UL);
+ tv->tv_usec = (long)(tmpres % 1000000UL);
+ }
+
+ if (NULL != tz)
+ {
+ if (!tzflag)
+ {
+ _tzset();
+ tzflag++;
+ }
+ tz->tz_minuteswest = _timezone / 60;
+ tz->tz_dsttime = _daylight;
+ }
+
+ return 0;
+}
+
+#endif //_MSC_SYS_TIME_H_