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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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/RT 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/>.
*/
/**
* @addtogroup Threads
* @{
*/
#ifndef _LISTS_H_
#define _LISTS_H_
typedef struct Thread Thread;
/* Macros good with both ThreadsQueue and ThreadsList.*/
#define isempty(p) ((p)->p_next == (Thread *)(p))
#define notempty(p) ((p)->p_next != (Thread *)(p))
/**
* Generic threads FIFO queue header and element.
*/
typedef struct {
/** Next \p Thread in the queue, in FIFO order.*/
Thread *p_next;
/** Last \p Thread in the queue, in FIFO order.*/
Thread *p_prev;
} ThreadsQueue;
/**
* Generic threads single link list, it works like a stack.
*/
typedef struct {
Thread *p_next;
} ThreadsList;
/*
* Threads Lists functions and macros.
*/
#define fifo_init(tqp) ((tqp)->p_next = (tqp)->p_prev = (Thread *)(tqp));
#define list_init(tlp) ((tlp)->p_next = (Thread *)(tlp))
#ifndef CH_OPTIMIZE_SPEED
void fifo_insert(Thread *tp, ThreadsQueue *tqp);
Thread *fifo_remove(ThreadsQueue *tqp);
Thread *dequeue(Thread *tp);
void list_insert(Thread *tp, ThreadsList *tlp);
Thread *list_remove(ThreadsList *tlp);
#endif
#endif /* _LISTS_H_ */
/** @} */
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