diff options
Diffstat (limited to 'cmake/msvc')
-rw-r--r-- | cmake/msvc/sys/time.h | 69 |
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_ |