From cd198a55112799ca770a5d29537d46ee5d983988 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 17 Sep 2021 08:30:57 +0200 Subject: score: Remove unused default scheduler ops If SMP support is enabled and the system has exactly one processor, then it may use an uniprocessor scheduler. The ask for help, reconsider help request, and withdraw node operations can be NULL in this case, since they are only used if a thread has at least one helping scheduler node. At least two schedulers are required to get a helping node and each scheduler involved must own at least one processor. This is not possible on a system with exactly one processor. --- cpukit/score/src/schedulerdefaultaskforhelp.c | 61 --------------------------- 1 file changed, 61 deletions(-) delete mode 100644 cpukit/score/src/schedulerdefaultaskforhelp.c (limited to 'cpukit/score/src/schedulerdefaultaskforhelp.c') diff --git a/cpukit/score/src/schedulerdefaultaskforhelp.c b/cpukit/score/src/schedulerdefaultaskforhelp.c deleted file mode 100644 index 17c222eafb..0000000000 --- a/cpukit/score/src/schedulerdefaultaskforhelp.c +++ /dev/null @@ -1,61 +0,0 @@ -/** - * @file - * - * @ingroup RTEMSScoreScheduler - * - * @brief This source file contains the implementation of - * _Scheduler_default_Ask_for_help(), - * _Scheduler_default_Reconsider_help_request(), and - * _Scheduler_default_Withdraw_node(). - */ - -/* - * Copyright (c) 2014, 2016 embedded brains GmbH - * - * 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include - -bool _Scheduler_default_Ask_for_help( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -) -{ - (void) scheduler; - (void) the_thread; - (void) node; - - return false; -} - -void _Scheduler_default_Reconsider_help_request( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node -) -{ - (void) scheduler; - (void) the_thread; - (void) node; -} - -void _Scheduler_default_Withdraw_node( - const Scheduler_Control *scheduler, - Thread_Control *the_thread, - Scheduler_Node *node, - Thread_Scheduler_state next_state -) -{ - (void) scheduler; - (void) the_thread; - (void) node; - (void) next_state; -} -- cgit v1.2.3