private unsafe void asyncCallback(uint callbackStatus, ref uint nodeCount, WaitChanNodeInfo.Native *nodeInfoArray, ref bool isCycle)
{
if (callbackStatus != ERROR_SUCCESS)
{
SetException(new Win32Exception((int)callbackStatus));
return;
}
ReadResult(nodeCount, nodeArray);
}
internal static extern unsafe bool GetThreadWaitChain(
SafeWaitChainSessionHandle handle,
IntPtr context,
UInt32 flags,
UInt32 threadId,
ref UInt32 nodeCount,
WaitChanNodeInfo.Native *NodeInfoArray,
[MarshalAs(UnmanagedType.Bool)] out bool IsCycle
);
public AsyncOperation(WaitChainSession session, GetWaitChainFlags flags, uint threadId)
{
this.session = session;
this.threadId = threadId;
this.flags = flags;
completionSource = new TaskCompletionSource <List <WaitChanNodeInfo> >();
gcHandle = GCHandle.Alloc(this, GCHandleType.Normal);
nodeCount = 0;
nodeArray = null;
IssueCall();
}
private void ReadResult(uint nodeCount, WaitChanNodeInfo.Native *nodeArray)
{
var result = new List <WaitChanNodeInfo>();
completionSource.SetResult(result);
}
internal static unsafe void asyncCallback(SafeWaitChainSessionHandle WctHandle, IntPtr Context, uint CallbackStatus, ref uint NodeCount, WaitChanNodeInfo.Native *NodeInfoArray, ref bool IsCycle)
{
AsyncOperation self = (AsyncOperation)GCHandle.FromIntPtr(Context).Target;
self.asyncCallback(CallbackStatus, ref NodeCount, NodeInfoArray, ref IsCycle);
}