1 files changed, 136 insertions, 0 deletions
diff --git a/ACE/ace/TkReactor.h b/ACE/ace/TkReactor.h
new file mode 100644
index 00000000000..ca3f39474f6
--- /dev/null
+++ b/ACE/ace/TkReactor.h
@@ -0,0 +1,136 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    TkReactor.h
+ *
+ *  $Id$
+ *
+ *  @author Nagarajan Surendran <naga@cs.wustl.edu>
+ */
+//=============================================================================
+
+
+#ifndef ACE_TKREACTOR_H
+#define ACE_TKREACTOR_H
+#include /**/ "ace/pre.h"
+
+#include /**/ "ace/config-all.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/ACE_TkReactor_export.h"
+#include "ace/Select_Reactor.h"
+#include /**/ <tk.h>
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_TkReactorID
+ *
+ * @brief This little class is necessary due to the way that Microsoft
+ * implements sockets to be pointers rather than indices.
+ */
+class ACE_TkReactor_Export ACE_TkReactorID
+{
+public:
+  /// Underlying handle.
+  ACE_HANDLE handle_;
+
+  /// Pointer to next node in the linked list.
+  ACE_TkReactorID *next_;
+};
+
+class ACE_TkReactor;
+
+class ACE_TkReactor_Export ACE_TkReactor_Input_Callback
+{
+public:
+  ACE_TkReactor *reactor_;
+  ACE_HANDLE handle_;
+};
+
+/**
+ * @class ACE_TkReactor
+ *
+ * @brief An object-oriented event demultiplexor and event handler
+ * dispatcher that uses the Tk functions.
+ */
+class ACE_TkReactor_Export ACE_TkReactor : public ACE_Select_Reactor
+{
+public:
+  // = Initialization and termination methods.
+  ACE_TkReactor (size_t size = DEFAULT_SIZE,
+                 int restart = 0,
+                 ACE_Sig_Handler * = 0);
+
+  virtual ~ACE_TkReactor (void);
+
+  // = Timer operations.
+  virtual long schedule_timer (ACE_Event_Handler *event_handler,
+                               const void *arg,
+                               const ACE_Time_Value &delay,
+                               const ACE_Time_Value &interval);
+  virtual int reset_timer_interval (long timer_id,
+                                    const ACE_Time_Value &interval);
+  virtual int cancel_timer (ACE_Event_Handler *handler,
+                            int dont_call_handle_close = 1);
+  virtual int cancel_timer (long timer_id,
+                            const void **arg = 0,
+                            int dont_call_handle_close = 1);
+
+protected:
+  // = Register timers/handles with Tk.
+  /// Register a single <handler>.
+  virtual int register_handler_i (ACE_HANDLE handle,
+                                  ACE_Event_Handler *handler,
+                                  ACE_Reactor_Mask mask);
+
+  /// Register a set of <handlers>.
+  virtual int register_handler_i (const ACE_Handle_Set &handles,
+                                  ACE_Event_Handler *handler,
+                                  ACE_Reactor_Mask mask);
+
+  /// Remove the <handler> associated with this <handle>.
+  virtual int remove_handler_i (ACE_HANDLE handle,
+                                ACE_Reactor_Mask mask);
+
+  /// Remove a set of <handles>.
+  virtual int remove_handler_i (const ACE_Handle_Set &handles,
+                                ACE_Reactor_Mask);
+
+  /// Removes an Tk FileHandler.
+  virtual void remove_TkFileHandler (ACE_HANDLE handle);
+
+  /// Wait for events to occur.
+  virtual int wait_for_multiple_events (ACE_Select_Reactor_Handle_Set &,
+                                        ACE_Time_Value *);
+
+  ///Wait for Tk events to occur.
+  virtual int TkWaitForMultipleEvents (int,
+                                       ACE_Select_Reactor_Handle_Set &,
+                                       ACE_Time_Value *);
+
+  ACE_TkReactorID *ids_;
+  Tk_TimerToken timeout_;
+
+private:
+  /// This method ensures there's a Tk timeout for the first timeout in
+  /// the Reactor's Timer_Queue.
+  void reset_timeout (void);
+
+  // = Integrate with the X callback function mechanism.
+  static void TimerCallbackProc (ClientData cd);
+  static void InputCallbackProc (ClientData cd,int mask);
+
+  /// Deny access since member-wise won't work...
+  ACE_TkReactor (const ACE_TkReactor &);
+  ACE_TkReactor &operator = (const ACE_TkReactor &);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* ACE_TK_REACTOR_H */