41 lines
668 B
C
41 lines
668 B
C
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "lwp_mm.h"
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static rt_mutex_t mm_lock;
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void rt_mm_lock(void)
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{
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if (rt_thread_self())
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{
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if (!mm_lock)
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{
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mm_lock = rt_mutex_create("mm_lock", RT_IPC_FLAG_FIFO);
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}
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if (mm_lock)
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{
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rt_mutex_take(mm_lock, RT_WAITING_FOREVER);
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}
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}
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}
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void rt_mm_unlock(void)
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{
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if (rt_thread_self())
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{
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if (mm_lock)
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{
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rt_mutex_release(mm_lock);
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}
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}
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}
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