public IList <WaitChainNode> Traverse(Int32 threadId, OutOfProcess flags, out Boolean isCycle)
{
const Int32 c_ErrorIOPending = 997;
Int32 nodeCount = c_MaxNodeCount;
Byte[] nodeBytes = new Byte[nodeCount * c_SizeOfWaitChainNode];
//GCHandle gch = GCHandle.Alloc(nodeBytes, GCHandleType.Pinned); // TODO: Async - pin bytes
Boolean ok = GetThreadWaitChain(m_wct, IntPtr.Zero, flags, threadId, ref nodeCount, nodeBytes, out isCycle);
if (!ok)
{
Int32 error = Marshal.GetLastWin32Error();
Console.WriteLine("error:{0}", error);
if (error == c_ErrorIOPending)
{
return(new List <WaitChainNode>());
}
return(new List <WaitChainNode>());
}
Array.Resize(ref nodeBytes, nodeCount * c_SizeOfWaitChainNode);
return(BytesToWaitChainNodeInfoList(nodeBytes));
}
private static extern Boolean GetThreadWaitChain(SafeWctHandle wctHandle, IntPtr context, OutOfProcess flags, Int32 threadId,
ref Int32 nodeCount, Byte[] nodeBytes, [MarshalAs(UnmanagedType.Bool)] out Boolean isCycle);
public IList<WaitChainNode> Traverse(Int32 threadId, OutOfProcess flags, out Boolean isCycle) {
const Int32 c_ErrorIOPending = 997;
Int32 nodeCount = c_MaxNodeCount;
Byte[] nodeBytes = new Byte[nodeCount * c_SizeOfWaitChainNode];
//GCHandle gch = GCHandle.Alloc(nodeBytes, GCHandleType.Pinned); // TODO: Async - pin bytes
Boolean ok = GetThreadWaitChain(m_wct, IntPtr.Zero, flags, threadId, ref nodeCount, nodeBytes, out isCycle);
if (!ok) {
Int32 error = Marshal.GetLastWin32Error();
Console.WriteLine("error:{0}", error);
if (error == c_ErrorIOPending) return new List<WaitChainNode>();
return new List<WaitChainNode>();
}
Array.Resize(ref nodeBytes, nodeCount * c_SizeOfWaitChainNode);
return BytesToWaitChainNodeInfoList(nodeBytes);
}
private static extern Boolean GetThreadWaitChain(SafeWctHandle wctHandle, IntPtr context, OutOfProcess flags, Int32 threadId,
ref Int32 nodeCount, Byte[] nodeBytes, [MarshalAs(UnmanagedType.Bool)] out Boolean isCycle);
