[Wine-patches] [5/6] [eter-2.0.0] ntoskrnl.exe: Make KeWaitForSingleObject yield execution to another thread if there is nothing to wait on. (eterbug #8744)

[Dmitry Timoshkov]

---
 dlls/ntoskrnl.exe/ntoskrnl.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 8d4a6d1..c1fa8c1 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2773,7 +2773,11 @@ NTSTATUS WINAPI KeWaitForSingleObject( PVOID Object, KWAIT_REASON WaitReason,
 
     TRACE("%p %u %d %d %p\n", Object, WaitReason, WaitMode, Alertable, Timeout);
 
-    if (!Object) return STATUS_INVALID_PARAMETER;
+    if (!Object)
+    {
+        ZwYieldExecution();
+        return STATUS_SUCCESS;
+    }
 
     switch (header->Type)
     {
-- 
1.7.12.3