Alexandre Julliard : ntdll: Use the user shared data to implement RtlQueryUnbiasedInterruptTime().
Alexandre Julliard
julliard at winehq.org
Thu May 21 15:41:20 CDT 2020
Module: wine
Branch: master
Commit: 9b12068c6c8ba656e8ca768227b1a970877d4730
URL: https://source.winehq.org/git/wine.git/?a=commit;h=9b12068c6c8ba656e8ca768227b1a970877d4730
Author: Alexandre Julliard <julliard at winehq.org>
Date: Thu May 21 17:07:20 2020 +0200
ntdll: Use the user shared data to implement RtlQueryUnbiasedInterruptTime().
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/tests/time.c | 2 --
dlls/ntdll/time.c | 13 ++++++++++++-
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/dlls/ntdll/tests/time.c b/dlls/ntdll/tests/time.c
index f50d4b4d70..1628af8df2 100644
--- a/dlls/ntdll/tests/time.c
+++ b/dlls/ntdll/tests/time.c
@@ -222,8 +222,6 @@ static void test_user_shared_data_time(void)
pRtlQueryUnbiasedInterruptTime(&t3);
} while(t3 < t1 && i++ < 1); /* allow for wrap, but only once */
- /* FIXME: not always in order, but should be close */
- todo_wine_if(t1 > t2 && t1 - t2 < 50 * TICKSPERMSEC)
ok(t1 <= t2, "USD InterruptTime / RtlQueryUnbiasedInterruptTime are out of order %s %s\n",
wine_dbgstr_longlong(t1), wine_dbgstr_longlong(t2));
ok(t2 <= t3 || broken(t2 == t3 + 82410089070) /* w864 has some weird offset on testbot */,
diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index 06854c020d..f900b55d83 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -47,6 +47,7 @@
#define NONAMELESSUNION
#include "windef.h"
#include "winternl.h"
+#include "ddk/wdm.h"
#include "wine/exception.h"
#include "wine/debug.h"
#include "ntdll_misc.h"
@@ -1128,11 +1129,21 @@ NTSTATUS WINAPI NtSetSystemTime(const LARGE_INTEGER *NewTime, LARGE_INTEGER *Old
*/
BOOL WINAPI RtlQueryUnbiasedInterruptTime(ULONGLONG *time)
{
+ ULONG high, low;
+
if (!time)
{
RtlSetLastWin32ErrorAndNtStatusFromNtStatus( STATUS_INVALID_PARAMETER );
return FALSE;
}
- *time = monotonic_counter();
+
+ do
+ {
+ high = user_shared_data->InterruptTime.High1Time;
+ low = user_shared_data->InterruptTime.LowPart;
+ }
+ while (high != user_shared_data->InterruptTime.High2Time);
+ /* FIXME: should probably subtract InterruptTimeBias */
+ *time = (ULONGLONG)high << 32 | low;
return TRUE;
}
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