Zebediah Figura : ntoskrnl.exe: Implement ExIsResourceAcquiredSharedLite() .
Alexandre Julliard
julliard at winehq.org
Wed Apr 10 15:19:59 CDT 2019
Module: wine
Branch: master
Commit: ab22796ab05bd516186500640f961700cce7f3f7
URL: https://source.winehq.org/git/wine.git/?a=commit;h=ab22796ab05bd516186500640f961700cce7f3f7
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Tue Apr 9 23:41:10 2019 -0500
ntoskrnl.exe: Implement ExIsResourceAcquiredSharedLite().
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
dlls/ntoskrnl.exe/sync.c | 25 +++++++++++++++++++++++++
include/ddk/wdm.h | 1 +
3 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index d3e6070..ab952e5 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -166,7 +166,7 @@
@ stdcall ExInterlockedRemoveHeadList(ptr ptr)
@ stub ExIsProcessorFeaturePresent
@ stdcall ExIsResourceAcquiredExclusiveLite(ptr)
-@ stub ExIsResourceAcquiredSharedLite
+@ stdcall ExIsResourceAcquiredSharedLite(ptr)
@ stdcall ExLocalTimeToSystemTime(ptr ptr) RtlLocalTimeToSystemTime
@ stub ExNotifyCallback
@ stub ExQueryPoolBlockSize
diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index 94b9778..fbe9dbe 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -1144,3 +1144,28 @@ BOOLEAN WINAPI ExIsResourceAcquiredExclusiveLite( ERESOURCE *resource )
return ret;
}
+
+/***********************************************************************
+ * ExIsResourceAcquiredSharedLite (NTOSKRNL.EXE.@)
+ */
+ULONG WINAPI ExIsResourceAcquiredSharedLite( ERESOURCE *resource )
+{
+ ULONG ret;
+ KIRQL irql;
+
+ TRACE("resource %p.\n", resource);
+
+ KeAcquireSpinLock( &resource->SpinLock, &irql );
+
+ if (resource->OwnerEntry.OwnerThread == (ERESOURCE_THREAD)KeGetCurrentThread())
+ ret = resource->ActiveEntries;
+ else
+ {
+ OWNER_ENTRY *entry = resource_get_shared_entry( resource, (ERESOURCE_THREAD)KeGetCurrentThread() );
+ ret = entry->OwnerCount;
+ }
+
+ KeReleaseSpinLock( &resource->SpinLock, irql );
+
+ return ret;
+}
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 5a84602..dae83af 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1532,6 +1532,7 @@ PSLIST_ENTRY WINAPI ExInterlockedPopEntrySList(PSLIST_HEADER,PKSPIN_LOCK);
PSLIST_ENTRY WINAPI ExInterlockedPushEntrySList(PSLIST_HEADER,PSLIST_ENTRY,PKSPIN_LOCK);
LIST_ENTRY * WINAPI ExInterlockedRemoveHeadList(LIST_ENTRY*,KSPIN_LOCK*);
BOOLEAN WINAPI ExIsResourceAcquiredExclusiveLite(ERESOURCE*);
+ULONG WINAPI ExIsResourceAcquiredSharedLite(ERESOURCE*);
void WINAPI ExReleaseFastMutexUnsafe(PFAST_MUTEX);
void WINAPI ExReleaseResourceForThreadLite(ERESOURCE*,ERESOURCE_THREAD);
ULONG WINAPI ExSetTimerResolution(ULONG,BOOLEAN);
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