source: rtems/cpukit/score/src/scheduleredfreleasejob.c @ 25f5730f

4.11
Last change on this file since 25f5730f was e1598a6, checked in by Sebastian Huber <sebastian.huber@…>, on Apr 4, 2014 at 8:56:36 AM

score: Static scheduler configuration

Do not allocate the scheduler control structures from the workspace.
This is a preparation step for configuration of clustered/partitioned
schedulers on SMP.

  • Property mode set to 100644
File size: 1.1 KB
Line 
1/**
2 * @file
3 *
4 * @brief Scheduler EDF Release Job
5 * @ingroup ScoreScheduler
6 */
7
8/*
9 *  Copyright (C) 2011 Petr Benes.
10 *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/score/scheduleredf.h>
22#include <rtems/score/threadimpl.h>
23#include <rtems/score/watchdogimpl.h>
24
25void _Scheduler_EDF_Release_job(
26  const Scheduler_Control *scheduler,
27  Thread_Control          *the_thread,
28  uint32_t                 deadline
29)
30{
31  Priority_Control new_priority;
32
33  (void) scheduler;
34
35  if (deadline) {
36    /* Initializing or shifting deadline. */
37    new_priority = (_Watchdog_Ticks_since_boot + deadline)
38                   & ~SCHEDULER_EDF_PRIO_MSB;
39  }
40  else {
41    /* Switch back to background priority. */
42    new_priority = the_thread->Start.initial_priority;
43  }
44
45  the_thread->real_priority = new_priority;
46  _Thread_Change_priority(the_thread, new_priority, true);
47}
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