public static SafeWaitChainHandle OpenThreadWaitChainSession()
{
// Get the COM APIs into WCT. I have no idea why WCT just doesn't do this itself.
if (oleModule == null)
{
oleModule = LoadLibraryW("OLE32.DLL");
IntPtr coGetCallState = GetProcAddress(oleModule, "CoGetCallState");
IntPtr coGetActivationState = GetProcAddress(oleModule, "CoGetActivationState");
// Register these functions with WCT.
RegisterWaitChainCOMCallback(coGetCallState, coGetActivationState);
}
SafeWaitChainHandle wctHandle = RealOpenThreadWaitChainSession(0, IntPtr.Zero);
if (wctHandle.IsInvalid == true)
{
throw new InvalidOperationException("Unable to open the Wait Thread Chain.");
}
return(wctHandle);
}
public WaitChainTraversal()
{
waitChainHandle = WaitChainNativeMethods.OpenThreadWaitChainSession();
}
private static extern bool RealGetThreadWaitChain(SafeWaitChainHandle WctHandle, IntPtr Context, WCT_FLAGS Flags, int ThreadId, ref int NodeCount, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] [In, Out] WAITCHAIN_NODE_INFO[] NodeInfoArray, out int IsCycle);
public static bool GetThreadWaitChain(SafeWaitChainHandle chainHandle, int threadId, ref int NodeCount, WAITCHAIN_NODE_INFO[] NodeInfoArray, out int IsCycle)
{
return RealGetThreadWaitChain(chainHandle, IntPtr.Zero, WCT_FLAGS.All, threadId, ref NodeCount, NodeInfoArray, out IsCycle);
}
public WaitChainTraversal()
{
waitChainHandle = WaitChainNativeMethods.OpenThreadWaitChainSession();
}
private static extern bool RealGetThreadWaitChain(SafeWaitChainHandle WctHandle, IntPtr Context, WCT_FLAGS Flags, int ThreadId, ref int NodeCount, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)][In, Out] WAITCHAIN_NODE_INFO[] NodeInfoArray, out int IsCycle);
public static bool GetThreadWaitChain(SafeWaitChainHandle chainHandle, int threadId, ref int NodeCount, WAITCHAIN_NODE_INFO[] NodeInfoArray, out int IsCycle)
{
return(RealGetThreadWaitChain(chainHandle, IntPtr.Zero, WCT_FLAGS.All, threadId, ref NodeCount, NodeInfoArray, out IsCycle));
}
