score/src/scheduleredfunblock.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreSchedulerEDF
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _Scheduler_EDF_Unblock().
0010  */
0011
0012 /*
0013  *  Copyright (C) 2011 Petr Benes.
0014  *  Copyright (C) 2011 On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038 #ifdef HAVE_CONFIG_H
0039 #include "config.h"
0040 #endif
0041
0042 #include <rtems/score/scheduleredfimpl.h>
0043 #include <rtems/score/schedulerimpl.h>
0044 #include <rtems/score/thread.h>
0045
0046 void _Scheduler_EDF_Unblock(
0047   const Scheduler_Control *scheduler,
0048   Thread_Control          *the_thread,
0049   Scheduler_Node          *node
0050 )
0051 {
0052   Scheduler_EDF_Context *context;
0053   Scheduler_EDF_Node    *the_node;
0054   Priority_Control       priority;
0055   Priority_Control       insert_priority;
0056
0057   context = _Scheduler_EDF_Get_context( scheduler );
0058   the_node = _Scheduler_EDF_Node_downcast( node );
0059   priority = _Scheduler_Node_get_priority( &the_node->Base );
0060   priority = SCHEDULER_PRIORITY_PURIFY( priority );
0061   insert_priority = SCHEDULER_PRIORITY_APPEND( priority );
0062
0063   the_node->priority = priority;
0064   _Scheduler_EDF_Enqueue( context, the_node, insert_priority );
0065   _Scheduler_uniprocessor_Unblock( scheduler, the_thread, priority );
0066 }