[PATCH v2 4/5] ntoskrnl.exe: Implement IoReleaseRemoveLockAndWaitEx().
Zebediah Figura
z.figura12 at gmail.com
Mon Aug 19 22:27:50 CDT 2019
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/ntoskrnl.exe/ntoskrnl.c | 8 --------
dlls/ntoskrnl.exe/sync.c | 19 +++++++++++++++++++
include/ddk/wdm.h | 1 +
3 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 6ce262c96c..b04e49eea7 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3796,14 +3796,6 @@ void WINAPI KeFlushQueuedDpcs(void)
FIXME("stub!\n");
}
-/*********************************************************************
- * IoReleaseRemoveLockAndWaitEx (NTOSKRNL.@)
- */
-void WINAPI IoReleaseRemoveLockAndWaitEx(PIO_REMOVE_LOCK lock, PVOID tag, ULONG size)
-{
- FIXME("stub: %p %p %u\n", lock, tag, size);
-}
-
/*********************************************************************
* DbgQueryDebugFilterState (NTOSKRNL.@)
*/
diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index 7f4d26335f..4ab8b49724 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -1239,3 +1239,22 @@ void WINAPI IoReleaseRemoveLockEx( IO_REMOVE_LOCK *lock, void *tag, ULONG size )
else if (count < 0)
ERR("Lock %p is not acquired!\n", lock);
}
+
+/***********************************************************************
+ * IoReleaseRemoveLockAndWaitEx (NTOSKRNL.EXE.@)
+ */
+void WINAPI IoReleaseRemoveLockAndWaitEx( IO_REMOVE_LOCK *lock, void *tag, ULONG size )
+{
+ LONG count;
+
+ TRACE("lock %p, tag %p, size %u.\n", lock, tag, size);
+
+ lock->Common.Removed = TRUE;
+
+ if (!(count = InterlockedDecrement( &lock->Common.IoCount )))
+ KeSetEvent( &lock->Common.RemoveEvent, IO_NO_INCREMENT, FALSE );
+ else if (count < 0)
+ ERR("Lock %p is not acquired!\n", lock);
+ else
+ KeWaitForSingleObject( &lock->Common.RemoveEvent, Executive, KernelMode, FALSE, NULL );
+}
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index f949433307..80eca5406e 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1604,6 +1604,7 @@ NTSTATUS WINAPI IoOpenDeviceRegistryKey(DEVICE_OBJECT*,ULONG,ACCESS_MASK,HANDLE
void WINAPI IoQueueWorkItem(PIO_WORKITEM,PIO_WORKITEM_ROUTINE,WORK_QUEUE_TYPE,void*);
NTSTATUS WINAPI IoRegisterDeviceInterface(PDEVICE_OBJECT,const GUID*,PUNICODE_STRING,PUNICODE_STRING);
void WINAPI IoReleaseCancelSpinLock(KIRQL);
+void WINAPI IoReleaseRemoveLockAndWaitEx(IO_REMOVE_LOCK*,void*,ULONG);
void WINAPI IoReleaseRemoveLockEx(IO_REMOVE_LOCK*,void*,ULONG);
NTSTATUS WINAPI IoSetDeviceInterfaceState(UNICODE_STRING*,BOOLEAN);
NTSTATUS WINAPI IoWMIRegistrationControl(PDEVICE_OBJECT,ULONG);
--
2.22.0
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