#if OS_WINDOWS
constexpr s64 FILETIME_TO_UNIX = 116444736000000000i64;
f64 GetUnixTimestamp() {
    FILETIME fileTime;
    GetSystemTimePreciseAsFileTime(&fileTime);
    s64 ticks = ((s64)fileTime.dwHighDateTime << (s64)32) | (s64)fileTime.dwLowDateTime;
    return (ticks - FILETIME_TO_UNIX) / (10.0 * 1000.0 * 1000.0);
}
s64 GetUnixTimestampNanoseconds() {
    FILETIME fileTime;
    GetSystemTimePreciseAsFileTime(&fileTime);
    
    s64 ticks = ((s64)fileTime.dwHighDateTime << (s64)32) 
                | (s64)fileTime.dwLowDateTime;  // in 100ns ticks
    s64 unix_time = (ticks - FILETIME_TO_UNIX); // in 100ns ticks
    
    s64 unix_time_nanoseconds = unix_time * 100;
    
    return unix_time_nanoseconds;
}
#endif
#if OS_LINUX
    
#endif