53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * COPYRIGHT (C) 2018, Real-Thread Information Technology Ltd
 | 
						|
 * 
 | 
						|
 * SPDX-License-Identifier: Apache-2.0
 | 
						|
 *
 | 
						|
 * Change Logs:
 | 
						|
 * Date           Author       Notes
 | 
						|
 * 2014-04-16     Grissiom     first version
 | 
						|
 */
 | 
						|
 | 
						|
#include <rthw.h>
 | 
						|
#include <rtthread.h>
 | 
						|
 | 
						|
#include "watermark_queue.h"
 | 
						|
 | 
						|
void rt_wm_que_set_mark(struct rt_watermark_queue *wg,
 | 
						|
                             unsigned int low, unsigned int high)
 | 
						|
{
 | 
						|
    RT_ASSERT(low <= high);
 | 
						|
 | 
						|
    wg->high_mark = high;
 | 
						|
    wg->low_mark = low;
 | 
						|
}
 | 
						|
 | 
						|
void rt_wm_que_init(struct rt_watermark_queue *wg,
 | 
						|
                         unsigned int low, unsigned int high)
 | 
						|
{
 | 
						|
    rt_wm_que_set_mark(wg, low, high);
 | 
						|
    rt_list_init(&wg->suspended_threads);
 | 
						|
    wg->level = 0;
 | 
						|
}
 | 
						|
 | 
						|
void rt_wm_que_dump(struct rt_watermark_queue *wg)
 | 
						|
{
 | 
						|
    struct rt_list_node *node;
 | 
						|
 | 
						|
    rt_kprintf("wg %p: low: %d, high: %d, cur: %d\n",
 | 
						|
               wg, wg->low_mark, wg->high_mark, wg->level);
 | 
						|
    rt_kprintf("thread suspend:");
 | 
						|
    for (node = wg->suspended_threads.next;
 | 
						|
         node != &wg->suspended_threads;
 | 
						|
         node = node->next)
 | 
						|
    {
 | 
						|
        rt_thread_t thread;
 | 
						|
 | 
						|
        thread = rt_list_entry(wg->suspended_threads.next,
 | 
						|
                               struct rt_thread,
 | 
						|
                               tlist);
 | 
						|
        rt_kprintf(" %.*s", RT_NAME_MAX, thread->name);
 | 
						|
    }
 | 
						|
    rt_kprintf("\n");
 | 
						|
}
 |