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james
2024-08-05 20:57:09 +08:00
commit 46d9ee7795
3020 changed files with 1725767 additions and 0 deletions
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12
rt-thread/components/utilities/resource/SConscript Normal file
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from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
if GetDepend('RT_USING_ADT_BITMAP') == False:
SrcRemove(src, ['rid_bitmap.c'])
group = DefineGroup('Utilities', src, depend = ['RT_USING_RESOURCE_ID'], CPPPATH = CPPPATH)
Return('group')

63
rt-thread/components/utilities/resource/resource_id.c Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-25 RT-Thread First version
* 2023-09-15 xqyjlj perf rt_hw_interrupt_disable/enable
*/
#include <rthw.h>
#include <rtthread.h>
#include <resource_id.h>
void resource_id_init(resource_id_t *mgr, int size, void **res)
{
if (mgr)
{
mgr->size = size;
mgr->_res = res;
mgr->noused = 0;
mgr->_free = RT_NULL;
rt_spin_lock_init(&(mgr->spinlock));
}
}
int resource_id_get(resource_id_t *mgr)
{
rt_base_t level;
void **cur;
level = rt_spin_lock_irqsave(&(mgr->spinlock));
if (mgr->_free)
{
cur = mgr->_free;
mgr->_free = (void **)*mgr->_free;
rt_spin_unlock_irqrestore(&(mgr->spinlock), level);
return cur - mgr->_res;
}
else if (mgr->noused < mgr->size)
{
cur = &mgr->_res[mgr->noused++];
rt_spin_unlock_irqrestore(&(mgr->spinlock), level);
return cur - mgr->_res;
}
return -1;
}
void resource_id_put(resource_id_t *mgr, int no)
{
rt_base_t level;
void **cur;
if (no >= 0 && no < mgr->size)
{
level = rt_spin_lock_irqsave(&(mgr->spinlock));
cur = &mgr->_res[no];
*cur = (void *)mgr->_free;
mgr->_free = cur;
rt_spin_unlock_irqrestore(&(mgr->spinlock), level);
}
}

33
rt-thread/components/utilities/resource/resource_id.h Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-25 RT-Thread First version
* 2023-09-15 xqyjlj perf rt_hw_interrupt_disable/enable
*/
#ifndef RESOURCE_ID_H__
#define RESOURCE_ID_H__
#include <rthw.h>
#include <rtthread.h>
#define RESOURCE_ID_INIT(size, pool) {size, pool, 0, RT_NULL, RT_SPINLOCK_INIT}
typedef struct
{
int size;
void **_res;
int noused;
void **_free;
struct rt_spinlock spinlock;
} resource_id_t;
void resource_id_init(resource_id_t *mgr, int size, void **res);
int resource_id_get(resource_id_t *mgr);
void resource_id_put(resource_id_t *mgr, int no);
#endif /*RESOURCE_ID_H__*/

116
rt-thread/components/utilities/resource/rid_bitmap.c Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-12-07 Shell First version
*/
#include "rid_bitmap.h"
#include <bitmap.h>
#include <rtdef.h>
void rid_bitmap_init(rid_bitmap_t mgr, int min_id, int total_id_count,
rt_bitmap_t *set, struct rt_mutex *id_lock)
{
mgr->min_id = min_id;
mgr->total_id_count = total_id_count;
mgr->bitset = set;
mgr->id_lock = id_lock;
return;
}
long rid_bitmap_get(rid_bitmap_t mgr)
{
long id;
long overflow;
if (mgr->id_lock)
{
rt_mutex_take(mgr->id_lock, RT_WAITING_FOREVER);
}
overflow = mgr->total_id_count;
id = rt_bitmap_next_clear_bit(mgr->bitset, 0, overflow);
if (id == overflow)
{
id = -1;
}
else
{
rt_bitmap_set_bit(mgr->bitset, id);
id += mgr->min_id;
}
if (mgr->id_lock)
{
rt_mutex_release(mgr->id_lock);
}
return id;
}
long rid_bitmap_get_named(rid_bitmap_t mgr, long no)
{
long id_relative;
long overflow;
long min;
if (mgr->id_lock)
{
rt_mutex_take(mgr->id_lock, RT_WAITING_FOREVER);
}
min = mgr->min_id;
id_relative = no - min;
overflow = mgr->total_id_count;
if (id_relative >= min && id_relative < overflow)
{
if (rt_bitmap_test_bit(mgr->bitset, id_relative))
{
id_relative = -RT_EBUSY;
}
else
{
rt_bitmap_set_bit(mgr->bitset, id_relative);
id_relative += min;
}
}
else
{
id_relative = -1;
}
if (mgr->id_lock)
{
rt_mutex_release(mgr->id_lock);
}
return id_relative;
}
void rid_bitmap_put(rid_bitmap_t mgr, long no)
{
long id_relative;
long overflow;
long min;
if (mgr->id_lock)
{
rt_mutex_take(mgr->id_lock, RT_WAITING_FOREVER);
}
min = mgr->min_id;
id_relative = no - min;
overflow = mgr->total_id_count;
if (id_relative >= min && id_relative < overflow &&
rt_bitmap_test_bit(mgr->bitset, id_relative))
{
rt_bitmap_clear_bit(mgr->bitset, id_relative);
}
if (mgr->id_lock)
{
rt_mutex_release(mgr->id_lock);
}
}

34
rt-thread/components/utilities/resource/rid_bitmap.h Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-12-07 Shell First version
*/
#ifndef __RID_BITMAP_H__
#define __RID_BITMAP_H__
#include <rthw.h>
#include <rtthread.h>
#include <bitmap.h>
#define RESOURCE_ID_INIT {0}
typedef struct rid_bitmap
{
struct rt_mutex *id_lock;
long min_id;
long total_id_count;
rt_bitmap_t *bitset;
} *rid_bitmap_t;
void rid_bitmap_init(rid_bitmap_t mgr, int min_id, int total_id_count,
rt_bitmap_t *set, struct rt_mutex *id_lock);
long rid_bitmap_get(rid_bitmap_t mgr);
long rid_bitmap_get_named(rid_bitmap_t mgr, long no);
void rid_bitmap_put(rid_bitmap_t mgr, long no);
#endif /* __RID_BITMAP_H__ */