80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT 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/RT 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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* @addtogroup Scheduler
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* @{
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*/
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#ifndef _SCHEDULER_H_
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#define _SCHEDULER_H_
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/** Normal \p chSchReadyI() message.*/
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#define RDY_OK 0
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/** Returned if the thread was made ready because a timeout.*/
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#define RDY_TIMEOUT -1
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/** Returned if the thread was made ready because a reset.*/
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#define RDY_RESET -2
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#define firstprio(rlp) ((rlp)->p_next->p_prio)
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/**
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* Ready list header.
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*/
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typedef struct {
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ThreadsQueue r_queue;
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t_prio r_prio;
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t_cnt r_preempt;
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#ifndef CH_CURRP_REGISTER_CACHE
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Thread *r_current;
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#endif
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#ifdef CH_USE_SYSTEMTIME
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volatile t_time r_stime;
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#endif
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} ReadyList;
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extern ReadyList rlist;
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/*
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* Scheduler APIs.
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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 chSchInit(void);
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void chSchReadyI(Thread *tp, t_msg msg);
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void chSchGoSleepS(t_tstate newstate);
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void chSchWakeupS(Thread *tp, t_msg msg);
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void chSchRescheduleS(void);
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void chSchDoRescheduleI(void);
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BOOL chSchRescRequiredI(void);
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#ifdef __cplusplus
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}
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#endif
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#ifdef CH_CURRP_REGISTER_CACHE
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register Thread *currp asm(CH_CURRP_REGISTER_CACHE);
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#else
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#define currp rlist.r_current
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#endif
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#endif /* _SCHEDULER_H_ */
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/** @} */
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