1 files changed, 127 insertions, 0 deletions
diff --git a/c/src/librtems++/include/rtems++/rtemsEvent.h b/c/src/librtems++/include/rtems++/rtemsEvent.h
new file mode 100644
index 0000000000..3cc19eeb32
--- /dev/null
+++ b/c/src/librtems++/include/rtems++/rtemsEvent.h
@@ -0,0 +1,127 @@
+/*
+  ------------------------------------------------------------------------
+  $Id$
+  ------------------------------------------------------------------------
+
+  COPYRIGHT (c) 1997
+  Objective Design Systems Ltd Pty (ODS)
+  All rights reserved (R) Objective Design Systems Ltd Pty
+  
+  The license and distribution terms for this file may be found in the
+  file LICENSE in this distribution or at
+  http://www.OARcorp.com/rtems/license.html.
+
+  ------------------------------------------------------------------------
+
+  rtemsEvent class.
+
+  This class allows the user to send and receive RTEMS events to a task.
+
+  ------------------------------------------------------------------------ */
+
+#if !defined(_rtemsEvent_h_)
+#define _rtemsEvent_h_
+
+#include <rtems++/rtemsStatusCode.h>
+#include <rtems++/rtemsTask.h>
+
+/* ----
+    rtemsEvent
+*/
+
+class rtemsEvent
+  : public rtemsStatusCode
+{
+public:
+  // attribute a task can have
+  
+  enum WaitMode { wait = RTEMS_WAIT,
+                  no_wait = RTEMS_NO_WAIT};
+  enum Condition { any = RTEMS_EVENT_ANY,
+                   all = RTEMS_EVENT_ALL};
+  
+  // only the first 4 characters of the name are taken  
+
+  // connect to a task
+  rtemsEvent(const char* name, rtems_unsigned32 node = RTEMS_SEARCH_ALL_NODES);
+
+  // copy and default constructors
+  rtemsEvent(const rtemsEvent& event);
+  rtemsEvent();
+  
+  virtual ~rtemsEvent();    
+  
+  // connect to an existing task object, will not be the owner
+  const rtemsEvent& operator=(const rtemsEvent& event);
+  virtual const rtems_status_code connect(const char *name,
+                                          const rtems_unsigned32 node = RTEMS_SEARCH_ALL_NODES);
+  
+  // send an event
+  inline const rtems_status_code send(const rtems_id task,
+                                      const rtems_event_set events);
+  inline const rtems_status_code send(const rtemsTask& task,
+                                      const rtems_event_set events) ;
+  inline const rtems_status_code send(const rtems_event_set events);
+
+  // receive an event, can block a task if no events waiting
+  inline const rtems_status_code receive(const rtems_event_set event_in,
+                                         rtems_event_set& event_out,
+                                         const rtems_interval micro_secs = 0,
+                                         const WaitMode wait = wait,
+                                         const Condition condition = any);
+
+  // object id, and name
+  const rtems_id task_id_is() const { return id; }
+  const rtems_name task_name_is() const { return name; }
+  
+private:   
+  // task name
+  rtems_name name;
+
+  // the rtems task id, object handle
+  rtems_id id;
+
+};
+
+const rtems_status_code rtemsEvent::send(const rtems_id task,
+                                         const rtems_event_set events)
+{
+  set_status_code(rtems_event_send(task, events));
+  return last_status_code();
+}
+
+const rtems_status_code rtemsEvent::send(const rtemsTask& task,
+                                         const rtems_event_set events)
+{
+  set_status_code(rtems_event_send(task.id_is(), events));
+  return last_status_code();
+}
+
+const rtems_status_code rtemsEvent::send(const rtems_event_set events)
+{
+  set_status_code(rtems_event_send(id, events));
+  return last_status_code();
+}
+
+const rtems_status_code rtemsEvent::receive(const rtems_event_set event_in,
+                                            rtems_event_set& event_out,
+                                            const rtems_interval micro_secs,
+                                            const WaitMode wait,
+                                            const Condition condition)
+{
+  rtems_interval usecs =
+    micro_secs && (micro_secs < _TOD_Microseconds_per_tick) ?
+    _TOD_Microseconds_per_tick : micro_secs;
+  set_status_code(rtems_event_receive(event_in,
+                                      wait | condition,
+                                      TOD_MICROSECONDS_TO_TICKS(usecs),
+                                      &event_out));
+  return last_status_code();
+}
+
+#endif  // _rtemsEvent_h_
+
+
+
+
+