[PATCH 1/5] ntoskrnl.exe: Implement ExGetExclusiveWaiterCount().
Zebediah Figura
z.figura12 at gmail.com
Tue Apr 9 21:27:40 CDT 2019
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
dlls/ntoskrnl.exe/sync.c | 19 +++++++++++++++++++
include/ddk/wdm.h | 1 +
3 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 2d1c82663d..bdf2a4463c 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -146,7 +146,7 @@
@ stub ExFreeToPagedLookasideList
@ stub ExGetCurrentProcessorCounts
@ stub ExGetCurrentProcessorCpuUsage
-@ stub ExGetExclusiveWaiterCount
+@ stdcall ExGetExclusiveWaiterCount(ptr)
@ stub ExGetPreviousMode
@ stub ExGetSharedWaiterCount
@ stdcall ExInitializeNPagedLookasideList(ptr ptr ptr long long long long)
diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index c8cae7dd89..823ff2b587 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -1087,3 +1087,22 @@ void WINAPI ExReleaseResourceLite( ERESOURCE *resource )
{
ExReleaseResourceForThreadLite( resource, (ERESOURCE_THREAD)KeGetCurrentThread() );
}
+
+/***********************************************************************
+ * ExGetExclusiveWaiterCount (NTOSKRNL.EXE.@)
+ */
+ULONG WINAPI ExGetExclusiveWaiterCount( ERESOURCE *resource )
+{
+ ULONG count;
+ KIRQL irql;
+
+ TRACE("resource %p.\n", resource);
+
+ KeAcquireSpinLock( &resource->SpinLock, &irql );
+
+ count = resource->NumberOfExclusiveWaiters;
+
+ KeReleaseSpinLock( &resource->SpinLock, irql );
+
+ return count;
+}
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 41c462f4a7..241f6d695e 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1524,6 +1524,7 @@ void WINAPI ExDeleteNPagedLookasideList(PNPAGED_LOOKASIDE_LIST);
NTSTATUS WINAPI ExDeleteResourceLite(ERESOURCE*);
void WINAPI ExFreePool(PVOID);
void WINAPI ExFreePoolWithTag(PVOID,ULONG);
+ULONG WINAPI ExGetExclusiveWaiterCount(ERESOURCE*);
void WINAPI ExInitializeNPagedLookasideList(PNPAGED_LOOKASIDE_LIST,PALLOCATE_FUNCTION,PFREE_FUNCTION,ULONG,SIZE_T,ULONG,USHORT);
NTSTATUS WINAPI ExInitializeResourceLite(ERESOURCE*);
PSLIST_ENTRY WINAPI ExInterlockedPopEntrySList(PSLIST_HEADER,PKSPIN_LOCK);
--
2.21.0
More information about the wine-devel
mailing list