diff options
Diffstat (limited to 'gcc/ada/s-osprim-mingw.adb')
| -rw-r--r-- | gcc/ada/s-osprim-mingw.adb | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/gcc/ada/s-osprim-mingw.adb b/gcc/ada/s-osprim-mingw.adb index 0984f49..4a91616 100644 --- a/gcc/ada/s-osprim-mingw.adb +++ b/gcc/ada/s-osprim-mingw.adb @@ -157,13 +157,10 @@ package body System.OS_Primitives is -- actions should be null. Max_Elapsed : constant := 0; - epoch_1970 : constant := 16#19D_B1DE_D53E_8000#; -- win32 UTC epoch system_time_ns : constant := 100; -- 100 ns per tick Sec_Unit : constant := 10#1#E9; - Test_Now : aliased Long_Long_Integer; - Loc_Ticks : aliased LARGE_INTEGER; Loc_Time : aliased Long_Long_Integer; Elapsed : Long_Long_Integer; @@ -181,8 +178,8 @@ package body System.OS_Primitives is -- time API. -- Try at most 10th times to reach the best synchronisation (below 1 - -- millisecond) otherwise the runtime will use the best value - -- reached during the runs. + -- millisecond) otherwise the runtime will use the best value reached + -- during the runs. for K in 1 .. 10 loop GetSystemTimeAsFileTime (Loc_Time'Access); @@ -219,17 +216,15 @@ package body System.OS_Primitives is function Monotonic_Clock return Duration is Current_Ticks : aliased LARGE_INTEGER; Elap_Secs_Tick : Duration; - begin if QueryPerformanceCounter (Current_Ticks'Access) = Win32.FALSE then return 0.0; + else + Elap_Secs_Tick := + Duration (Long_Long_Float (Current_Ticks - BMTA.all) / + Long_Long_Float (TFA.all)); + return BMCA.all + Elap_Secs_Tick; end if; - - Elap_Secs_Tick := - Duration (Long_Long_Float (Current_Ticks - BMTA.all) / - Long_Long_Float (TFA.all)); - - return BMCA.all + Elap_Secs_Tick; end Monotonic_Clock; ----------------- |