107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file chpreempt.h
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* @brief Preemption enforcement structures and macros.
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*
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* @addtogroup preemption_enforcement
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* @{
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*/
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#ifndef CHPREEMPT_H
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#define CHPREEMPT_H
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/* This header is included from chconf.h and that can be included by asm
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modules.*/
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#if !defined(_FROM_ASM_)
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/**
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* @brief Hooks function @p chSchIsPreemptionRequired().
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*/
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#define CH_SCH_IS_PREEMPTION_REQUIRED_HOOKED
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/**
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* @brief Hooks function @p chSchDoReschedule().
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*/
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#define CH_SCH_DO_RESCHEDULE_HOOKED
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if !defined(CH_CFG_ROUND_ROBIN_QUANTUM)
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#error "CH_CFG_ROUND_ROBIN_QUANTUM not defined in chconf.h"
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#endif
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#if CH_CFG_ROUND_ROBIN_QUANTUM <= 0
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#error "CH_CFG_ROUND_ROBIN_QUANTUM must be greater than zero"
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#endif
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#if CH_CFG_TIME_QUANTUM > 0
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#error "CH_CFG_ROUND_ROBIN_QUANTUM is not compatible with CH_CFG_TIME_QUANTUM > 0"
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#endif
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/**
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* @brief Fields to be added to the @p ch_system_t structure.
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*
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* @notapi
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*/
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#define CH_PREEMPT_SYSTEM_FIELDS \
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virtual_timer_t preempt_vt;
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void ch_preempt_system_init(void);
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void ch_preempt_thread_switch(void);
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* !defined(_FROM_ASM_) */
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#endif /* CHPREEMPT_H */
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/** @} */
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