source: rtems/cpukit/score/src/scheduleredfchangepriority.c @ 8568341

4.115
Last change on this file since 8568341 was 8568341, checked in by Sebastian Huber <sebastian.huber@…>, on 06/11/14 at 12:31:03

score: Need for help indicator for scheduler ops

Return a thread in need for help for the following scheduler operations

  • unblock,
  • change priority, and
  • yield.

A thread in need for help is a thread that encounters a scheduler state
change from scheduled to ready or a thread that cannot be scheduled in
an unblock operation. Such a thread can ask threads which depend on
resources owned by this thread for help.
  • Property mode set to 100644
File size: 959 bytes
Line 
1/**
2 *  @file
3 *
4 *  @brief Scheduler EDF Extract
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/scheduleredfimpl.h>
22
23Scheduler_Void_or_thread _Scheduler_EDF_Change_priority(
24  const Scheduler_Control *scheduler,
25  Thread_Control          *the_thread,
26  Priority_Control         new_priority,
27  bool                     prepend_it
28)
29{
30  Scheduler_EDF_Context *context =
31    _Scheduler_EDF_Get_context( scheduler );
32  Scheduler_EDF_Node *node = _Scheduler_EDF_Thread_get_node( the_thread );
33
34  _RBTree_Extract( &context->Ready, &node->Node );
35  _RBTree_Insert( &context->Ready, &node->Node );
36
37  SCHEDULER_RETURN_VOID_OR_NULL;
38}
Note: See TracBrowser for help on using the repository browser.