2015-01-06 18:50:22 +08:00
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/*
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* Water Gauge
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*
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2015-01-08 17:05:56 +08:00
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* COPYRIGHT (C) 2014-2015, Shanghai Real-Thread Technology Co., Ltd
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* http://www.rt-thread.com
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2015-01-06 18:50:22 +08:00
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*
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* This file is part of RT-Thread (http://www.rt-thread.org)
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*
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* All rights reserved.
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2014-04-16 Grissiom first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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2015-01-09 10:11:32 +08:00
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#include "watermark_queue.h"
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2015-01-06 18:50:22 +08:00
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void rt_wm_que_set_mark(struct rt_watermark_queue *wg,
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unsigned int low, unsigned int high)
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{
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RT_ASSERT(low <= high);
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wg->high_mark = high;
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wg->low_mark = low;
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}
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void rt_wm_que_init(struct rt_watermark_queue *wg,
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unsigned int low, unsigned int high)
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{
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rt_wm_que_set_mark(wg, low, high);
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rt_list_init(&wg->suspended_threads);
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wg->level = 0;
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}
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void rt_wm_que_dump(struct rt_watermark_queue *wg)
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{
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struct rt_list_node *node;
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rt_kprintf("wg %p: low: %d, high: %d, cur: %d\n",
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wg, wg->low_mark, wg->high_mark, wg->level);
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rt_kprintf("thread suspend:");
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for (node = wg->suspended_threads.next;
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node != &wg->suspended_threads;
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node = node->next)
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{
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rt_thread_t thread;
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thread = rt_list_entry(wg->suspended_threads.next,
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struct rt_thread,
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tlist);
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rt_kprintf(" %.*s", RT_NAME_MAX, thread->name);
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}
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rt_kprintf("\n");
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}
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