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/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
This file is part of ChibiOS.
ChibiOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file chpreempt.h
* @brief Preemption enforcement structures and macros.
*
* @addtogroup preemption_enforcement
* @{
*/
#ifndef CHPREEMPT_H
#define CHPREEMPT_H
/* This header is included from chconf.h and that can be included by asm
modules.*/
#if !defined(_FROM_ASM_)
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/**
* @brief Hooks function @p chSchIsPreemptionRequired().
*/
#define CH_SCH_IS_PREEMPTION_REQUIRED_HOOKED
/**
* @brief Hooks function @p chSchDoReschedule().
*/
#define CH_SCH_DO_RESCHEDULE_HOOKED
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if !defined(CH_CFG_ROUND_ROBIN_QUANTUM)
#error "CH_CFG_ROUND_ROBIN_QUANTUM not defined in chconf.h"
#endif
#if CH_CFG_ROUND_ROBIN_QUANTUM <= 0
#error "CH_CFG_ROUND_ROBIN_QUANTUM must be greater than zero"
#endif
#if CH_CFG_TIME_QUANTUM > 0
#error "CH_CFG_ROUND_ROBIN_QUANTUM is not compatible with CH_CFG_TIME_QUANTUM > 0"
#endif
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/**
* @brief Fields to be added to the @p ch_system_t structure.
*
* @notapi
*/
#define CH_PREEMPT_SYSTEM_FIELDS \
virtual_timer_t preempt_vt;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void ch_preempt_system_init(void);
void ch_preempt_thread_switch(void);
#ifdef __cplusplus
}
#endif
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
#endif /* !defined(_FROM_ASM_) */
#endif /* CHPREEMPT_H */
/** @} */
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