diff options
Diffstat (limited to 'cpukit/include/rtems/score/schedulersimpleimpl.h')
| -rw-r--r-- | cpukit/include/rtems/score/schedulersimpleimpl.h | 55 |
1 files changed, 32 insertions, 23 deletions
diff --git a/cpukit/include/rtems/score/schedulersimpleimpl.h b/cpukit/include/rtems/score/schedulersimpleimpl.h index 9d762e058a..da052ba1b4 100644 --- a/cpukit/include/rtems/score/schedulersimpleimpl.h +++ b/cpukit/include/rtems/score/schedulersimpleimpl.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -10,9 +12,26 @@ /* * 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. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RTEMS_SCORE_SCHEDULERSIMPLEIMPL_H @@ -20,7 +39,7 @@ #include <rtems/score/schedulersimple.h> #include <rtems/score/chainimpl.h> -#include <rtems/score/schedulerimpl.h> +#include <rtems/score/scheduleruniimpl.h> #ifdef __cplusplus extern "C" { @@ -39,7 +58,7 @@ extern "C" { * * @return The context of @a scheduler. */ -RTEMS_INLINE_ROUTINE Scheduler_simple_Context * +static inline Scheduler_simple_Context * _Scheduler_simple_Get_context( const Scheduler_Control *scheduler ) { return (Scheduler_simple_Context *) _Scheduler_Get_context( scheduler ); @@ -57,7 +76,7 @@ RTEMS_INLINE_ROUTINE Scheduler_simple_Context * * @retval true @a to_insert is smaller or equal than the priority of @a next. * @retval false @a to_insert is greater than the priority of @a next. */ -RTEMS_INLINE_ROUTINE bool _Scheduler_simple_Priority_less_equal( +static inline bool _Scheduler_simple_Priority_less_equal( const void *key, const Chain_Node *to_insert, const Chain_Node *next @@ -80,7 +99,7 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_simple_Priority_less_equal( * @param[in, out] to_insert The node to insert into @a chain. * @param insert_priority The priority to insert @a to_insert with. */ -RTEMS_INLINE_ROUTINE void _Scheduler_simple_Insert( +static inline void _Scheduler_simple_Insert( Chain_Control *chain, Thread_Control *to_insert, unsigned int insert_priority @@ -101,7 +120,7 @@ RTEMS_INLINE_ROUTINE void _Scheduler_simple_Insert( * @param[in, out] the_thread The thread of which to extract the node out of its chain. * @param node This parameter is unused. */ -RTEMS_INLINE_ROUTINE void _Scheduler_simple_Extract( +static inline void _Scheduler_simple_Extract( const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node @@ -114,28 +133,18 @@ RTEMS_INLINE_ROUTINE void _Scheduler_simple_Extract( } /** - * @brief Scheduling decision logic. - * - * This kernel routine implements scheduling decision logic for the simple scheduler. + * @brief Gets the highest priority ready thread of the scheduler. * - * @param[in, out] scheduler The scheduler instance. - * @param the_thread This parameter is unused. - * @param force_dispatch Indicates whether the dispatch happens also if - * the currently executing thread is set as not preemptible. + * @param scheduler is the scheduler. */ -RTEMS_INLINE_ROUTINE void _Scheduler_simple_Schedule_body( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - bool force_dispatch +static inline Thread_Control *_Scheduler_simple_Get_highest_ready( + const Scheduler_Control *scheduler ) { Scheduler_simple_Context *context = _Scheduler_simple_Get_context( scheduler ); - Thread_Control *heir = (Thread_Control *) _Chain_First( &context->Ready ); - - ( void ) the_thread; - _Scheduler_Update_heir( heir, force_dispatch ); + return (Thread_Control *) _Chain_First( &context->Ready ); } /** @} */ |