Uptime: reads (System|Interrupt)Time directly from SharedUserData

src/common/time.h

@@ -4,17 +4,9 @@
 #include <stdint.h>
 #include <time.h>
 #ifdef _WIN32
-    #include <ntdef.h>
     #include <ntstatus.h>
+    #include "common/windows/nt.h"
     #include <profileapi.h>
-    #include <sysinfoapi.h>
-
-    NTSYSCALLAPI
-    NTSTATUS
-    NTAPI
-    NtDelayExecution(
-        _In_ BOOLEAN Alertable,
-        _In_ PLARGE_INTEGER DelayInterval);
 #elif defined(__HAIKU__)
     #include <OS.h>
 #endif
@@ -40,8 +32,7 @@ static inline double ffTimeGetTick(void) //In msec
 static inline uint64_t ffTimeGetNow(void)
 {
     #ifdef _WIN32
-        uint64_t timeNow;
-        GetSystemTimeAsFileTime((FILETIME*) &timeNow);
+        uint64_t timeNow = ffKSystemTimeToUInt64(&SharedUserData->SystemTime);
         return (timeNow - 116444736000000000ull) / 10000ull;
     #elif defined(__HAIKU__)
         return (uint64_t) real_time_clock_usecs() / 1000u;
@@ -58,7 +49,7 @@ static inline bool ffTimeSleep(uint32_t msec)
     #ifdef _WIN32
         LARGE_INTEGER interval;
         interval.QuadPart = -(int64_t) msec * 10000; // Relative time in 100-nanosecond intervals
-        return NtDelayExecution(TRUE, &interval) == STATUS_SUCCESS;
+        return NT_SUCCESS(NtDelayExecution(TRUE, &interval));
     #else
         return nanosleep(&(struct timespec){ msec / 1000, (long) (msec % 1000) * 1000000 }, NULL) == 0;
     #endif

src/common/windows/nt.h

@@ -2,6 +2,8 @@
 
 #include <winternl.h>
 #include <winnt.h>
+#include <stdint.h>
+#include <assert.h>
 
 enum {
     SystemModuleInformation = 11,
@@ -423,6 +425,8 @@ typedef struct _SYSTEM_FIRMWARE_TABLE_INFORMATION
     _Field_size_bytes_(TableBufferLength) UCHAR TableBuffer[];
 } SYSTEM_FIRMWARE_TABLE_INFORMATION, *PSYSTEM_FIRMWARE_TABLE_INFORMATION;
 
+NTSTATUS NTAPI NtDelayExecution(_In_ BOOLEAN Alertable, _In_ PLARGE_INTEGER DelayInterval);
+
 /**
  * The KSYSTEM_TIME structure represents interrupt time, system time, and time zone bias.
  */