From 03b900d3ed120ea919ea3eded7edbece3488cff3 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 18 Feb 2016 08:36:26 +0100
Subject: score: Replace watchdog handler implementation

Use a red-black tree instead of delta chains.

Close #2344.
Update #2554.
Update #2555.
Close #2606.
---
 cpukit/rtems/src/timerserverfireafter.c | 68 ++++++---------------------------
 1 file changed, 11 insertions(+), 57 deletions(-)

(limited to 'cpukit/rtems/src/timerserverfireafter.c')

diff --git a/cpukit/rtems/src/timerserverfireafter.c b/cpukit/rtems/src/timerserverfireafter.c
index 0636782ae0..ce1fd05848 100644
--- a/cpukit/rtems/src/timerserverfireafter.c
+++ b/cpukit/rtems/src/timerserverfireafter.c
@@ -18,12 +18,7 @@
 #include "config.h"
 #endif
 
-#include <rtems/system.h>
-#include <rtems/rtems/status.h>
-#include <rtems/rtems/support.h>
-#include <rtems/score/thread.h>
 #include <rtems/rtems/timerimpl.h>
-#include <rtems/score/watchdogimpl.h>
 
 rtems_status_code rtems_timer_server_fire_after(
   rtems_id                           id,
@@ -32,60 +27,19 @@ rtems_status_code rtems_timer_server_fire_after(
   void                              *user_data
 )
 {
-  Timer_Control        *the_timer;
-  Objects_Locations     location;
-  ISR_Level             level;
-  Timer_server_Control *timer_server = _Timer_server;
+  Timer_server_Control *timer_server;
+
+  timer_server = _Timer_server;
 
   if ( !timer_server )
     return RTEMS_INCORRECT_STATE;
 
-  if ( !routine )
-    return RTEMS_INVALID_ADDRESS;
-
-  if ( ticks == 0 )
-    return RTEMS_INVALID_NUMBER;
-
-  the_timer = _Timer_Get( id, &location );
-  switch ( location ) {
-
-    case OBJECTS_LOCAL:
-      _Timer_Cancel( the_timer );
-
-      _ISR_Disable( level );
-
-        /*
-         *  Check to see if the watchdog has just been inserted by a
-         *  higher priority interrupt.  If so, abandon this insert.
-         */
-
-        if ( the_timer->Ticker.state != WATCHDOG_INACTIVE ) {
-          _ISR_Enable( level );
-          _Objects_Put( &the_timer->Object );
-          return RTEMS_SUCCESSFUL;
-        }
-
-        /*
-         *  OK.  Now we now the timer was not rescheduled by an interrupt
-         *  so we can atomically initialize it as in use.
-         */
-
-        the_timer->the_class = TIMER_INTERVAL_ON_TASK;
-        _Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data );
-        the_timer->Ticker.initial = ticks;
-      _ISR_Enable( level );
-
-      (*timer_server->schedule_operation)( timer_server, the_timer );
-
-      _Objects_Put( &the_timer->Object );
-      return RTEMS_SUCCESSFUL;
-
-#if defined(RTEMS_MULTIPROCESSING)
-    case OBJECTS_REMOTE:            /* should never return this */
-#endif
-    case OBJECTS_ERROR:
-      break;
-  }
-
-  return RTEMS_INVALID_ID;
+  return _Timer_Fire_after(
+    id,
+    ticks,
+    routine,
+    user_data,
+    TIMER_INTERVAL_ON_TASK,
+    _Timer_server_Routine_adaptor
+  );
 }
-- 
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