Files
c_soft/riscv/rtthread/components/lwp/lwp_mm.c
2025-06-13 14:38:32 +08:00

41 lines
708 B
C
Executable File

/*
* 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);
}
}
}