summaryrefslogtreecommitdiffstats
path: root/cpukit/score/src/scheduleredfprioritycompare.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/score/src/scheduleredfprioritycompare.c')
-rw-r--r--cpukit/score/src/scheduleredfprioritycompare.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/cpukit/score/src/scheduleredfprioritycompare.c b/cpukit/score/src/scheduleredfprioritycompare.c
deleted file mode 100644
index 0fbfaa621f..0000000000
--- a/cpukit/score/src/scheduleredfprioritycompare.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/**
- * @file
- *
- * @brief Compares Priorities of Threads
- *
- * @ingroup ScoreScheduler
- */
-
-/*
- * Copyright (C) 2011 Petr Benes.
- * Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <rtems/system.h>
-#include <rtems/config.h>
-#include <rtems/score/scheduleredf.h>
-#include <rtems/score/watchdogimpl.h>
-
-int _Scheduler_EDF_Priority_compare (
- Priority_Control p1,
- Priority_Control p2
-)
-{
- Watchdog_Interval time = _Watchdog_Ticks_since_boot;
-
- /*
- * Reorder priorities to separate deadline driven and background tasks.
- *
- * The background tasks have p1 or p2 > SCHEDULER_EDF_PRIO_MSB.
- * The deadline driven tasks need to have subtracted current time in order
- * to see which deadline is closer wrt. current time.
- */
- if (!(p1 & SCHEDULER_EDF_PRIO_MSB))
- p1 = (p1 - time) & ~SCHEDULER_EDF_PRIO_MSB;
- if (!(p2 & SCHEDULER_EDF_PRIO_MSB))
- p2 = (p2 - time) & ~SCHEDULER_EDF_PRIO_MSB;
-
- return ((p1<p2) - (p1>p2));
-}