[PATCH 2/2] msvcp: Cast the wait time in _Cnd_timedwait to ULONG.
Stefan Dösinger
stefan at codeweavers.com
Wed Dec 6 06:50:21 CST 2017
This prevents sign extending it when promoting it to ULONGLONG. This
fixes high CPU usage in Wargaming Game Center that was caused by
_Cnd_timedwait instantly returning timeout instead of waiting for the
requested 30 days.
Signed-off-by: Stefan Dösinger <stefan at codeweavers.com>
---
dlls/msvcp90/misc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/msvcp90/misc.c b/dlls/msvcp90/misc.c
index 901930ba96..162c9dfc85 100644
--- a/dlls/msvcp90/misc.c
+++ b/dlls/msvcp90/misc.c
@@ -635,7 +635,7 @@ int __cdecl _Cnd_timedwait(_Cnd_arg_t cnd, _Mtx_arg_t mtx, const xtime *xt)
InterlockedExchangeAdd( (LONG *)&cv->Ptr, 1 );
_Mtx_unlock(mtx);
- timeout.QuadPart = (ULONGLONG)_Xtime_diff_to_millis(xt) * -10000;
+ timeout.QuadPart = (ULONGLONG)((ULONG)_Xtime_diff_to_millis(xt)) * -10000;
status = NtWaitForKeyedEvent(keyed_event, &cv->Ptr, FALSE, &timeout);
if (status)
{
--
2.13.6
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