text: /////////////////////////////////////////////////////////////////////////////
  //
  //  threads.cpp - Extension to find Singularity threads.
  //
  //  Copyright Microsoft Corporation.  All rights reserved.
  //
  #include "singx86.h"
  
  HRESULT DumpThread(ULONG64 thread, bool verbose, bool fullstack, bool detail, bool blocked);
  
  EXT_DECL(stack) // Defines: PDEBUG_CLIENT Client, PCSTR args
  {
      EXT_ENTER();    // Defines: HRESULT status = S_OK;
  
      ULONG64 thread = 0;
  
      status = ExtEvalU64(&args, &thread);
      if (status != S_OK) {
          goto Exit;
      }
  
      CHAR prefix[256];
      EXT_CHECK(g_ExtClient->GetOutputLinePrefix(prefix, arrayof(prefix), NULL));
      DumpThread(thread, true, false, true, true);
      EXT_CHECK(g_ExtClient->SetOutputLinePrefix(prefix));
  
      EXT_LEAVE();    // Macro includes: return status;
  }
  