rt-thread-official/components/cplusplus/cxx_Mutex.cpp

45 lines
657 B
C++

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include "cxx_mutex.h"
using namespace rtthread;
Mutex::Mutex(const char *name)
{
rt_mutex_init(&mID, name, RT_IPC_FLAG_FIFO);
}
bool Mutex::lock(int32_t millisec)
{
rt_int32_t tick;
if (millisec < 0)
tick = -1;
else
tick = rt_tick_from_millisecond(millisec);
return rt_mutex_take(&mID, tick) == RT_EOK;
}
bool Mutex::trylock()
{
return lock(0);
}
void Mutex::unlock()
{
rt_mutex_release(&mID);
}
Mutex::~Mutex()
{
rt_mutex_detach(&mID);
}