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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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40
components/lwp/lwp_mm.c Normal file
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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include <rthw.h>
#include <rtthread.h>
#include "lwp_mm.h"
static rt_mutex_t mm_lock;
void rt_mm_lock(void)
{
if (rt_thread_self())
{
if (!mm_lock)
{
mm_lock = rt_mutex_create("mm_lock", RT_IPC_FLAG_FIFO);
}
if (mm_lock)
{
rt_mutex_take(mm_lock, RT_WAITING_FOREVER);
}
}
}
void rt_mm_unlock(void)
{
if (rt_thread_self())
{
if (mm_lock)
{
rt_mutex_release(mm_lock);
}
}
}