diff options
| author | Jonas Echterhoff <jonas@unity3d.com> | 2018-10-19 13:56:45 +0300 |
|---|---|---|
| committer | Jonas Echterhoff <jonas@unity3d.com> | 2018-10-19 13:56:45 +0300 |
| commit | 2fe2d43978aac6a1937864f7ec1962493600b014 (patch) | |
| tree | f976fe835260065060a4a2e1d920e61ab41c85ea /include | |
| parent | 7d654ec226e7baf14b8b780ba70689f1e46d9639 (diff) | |
better precision windows timers
Diffstat (limited to 'include')
| -rw-r--r-- | include/private/gc_priv.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/private/gc_priv.h b/include/private/gc_priv.h index 7661b279..0fec9147 100644 --- a/include/private/gc_priv.h +++ b/include/private/gc_priv.h @@ -444,14 +444,16 @@ EXTERN_C_END # define NOSERVICE # include <windows.h> # include <winbase.h> -# define CLOCK_TYPE DWORD -# ifdef MSWINRT_FLAVOR -# define GET_TIME(x) (void)(x = (DWORD)GetTickCount64()) -# else -# define GET_TIME(x) (void)(x = GetTickCount()) -# endif -# define MS_TIME_DIFF(a,b) ((long)((a)-(b))) -# define NS_TIME_DIFF(a,b) ((long)((a)-(b)) * 1000000) +# define CLOCK_TYPE LONGLONG +# define GET_TIME(x) \ + do { \ + LARGE_INTEGER freq, t; \ + QueryPerformanceFrequency(&freq); \ + QueryPerformanceCounter(&t); \ + x = t.QuadPart * 1000000000 / freq.QuadPart; \ + } while (0) +# define MS_TIME_DIFF(a,b) (((a) - (b)) * 1000000) +# define NS_TIME_DIFF(a,b) ((a) - (b)) #elif defined(NN_PLATFORM_CTR) # define CLOCK_TYPE long long EXTERN_C_BEGIN |