#include "uptime.h" #include "common/time.h" #include "common/windows/nt.h" const char* ffDetectUptime(FFUptimeResult* result) { // QueryInterruptTime with Win7 support uint64_t interruptTime = ffKSystemTimeToUInt64(&SharedUserData->InterruptTime); result->uptime = interruptTime / 10000; // Convert from 100-nanosecond intervals to milliseconds result->bootTime = ffTimeGetNow() - result->uptime; // Alternatively, `NtQuerySystemInformation(SystemTimeOfDayInformation)` reports the boot time directly, // whose result exactly equals what WMI `Win32_OperatingSystem` reports // with much lower accuracy (0.5 seconds) return NULL; }