1 files changed, 140 insertions, 0 deletions
diff --git a/ACE/ace/XtReactor.h b/ACE/ace/XtReactor.h
new file mode 100644
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+++ b/ACE/ace/XtReactor.h
@@ -0,0 +1,140 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    XtReactor.h
+ *
+ *  $Id$
+ *
+ *  @author Eric C. Newton <ecn@clark.net>
+ *  @author Kirill Rybaltchenko <Kirill.Rybaltchenko@cern.ch>
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//=============================================================================
+
+
+#ifndef ACE_XTREACTOR_H
+#define ACE_XTREACTOR_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_XtReactor_export.h"
+#include "ace/Select_Reactor.h"
+
+//#define String XtString
+#include /**/ <X11/Intrinsic.h>
+//#undef String
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_XtReactorID
+ *
+ * @brief This little class is necessary due to the way that Microsoft
+ * implements sockets to be pointers rather than indices.
+ */
+class ACE_XtReactor_Export ACE_XtReactorID
+{
+public:
+  /// Magic cookie.
+  XtInputId id_;
+
+  /// Underlying handle.
+  ACE_HANDLE handle_;
+
+  /// Pointer to next node in the linked list.
+  ACE_XtReactorID *next_;
+};
+
+/**
+ * @class ACE_XtReactor
+ *
+ * @brief An object-oriented event demultiplexor and event handler
+ * dispatcher that uses the X Toolkit functions.
+ */
+class ACE_XtReactor_Export ACE_XtReactor : public ACE_Select_Reactor
+{
+public:
+  // = Initialization and termination methods.
+  ACE_XtReactor (XtAppContext context = 0,
+                 size_t size = DEFAULT_SIZE,
+                 int restart = 0,
+                 ACE_Sig_Handler * = 0);
+  virtual ~ACE_XtReactor (void);
+
+  XtAppContext context (void) const;
+  void context (XtAppContext);
+
+  // = 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 Xt.
+  /// 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 Xt handle.
+  virtual void remove_XtInput (ACE_HANDLE handle);
+
+  /// Wait for events to occur.
+  virtual int wait_for_multiple_events (ACE_Select_Reactor_Handle_Set &,
+                                        ACE_Time_Value *);
+
+  ///Wait for Xt events to occur.
+  virtual int XtWaitForMultipleEvents (int,
+                                       ACE_Select_Reactor_Handle_Set &,
+                                       ACE_Time_Value *);
+
+  XtAppContext context_;
+  ACE_XtReactorID *ids_;
+  XtIntervalId timeout_;
+
+private:
+  /// This method ensures there's an Xt 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 (XtPointer closure, XtIntervalId *id);
+  static void InputCallbackProc (XtPointer closure, int* source, XtInputId *id);
+
+  /// Deny access since member-wise won't work...
+  ACE_XtReactor (const ACE_XtReactor &);
+  ACE_XtReactor &operator = (const ACE_XtReactor &);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /* ACE_XTREACTOR_H */