44 lines
652 B
C++
44 lines
652 B
C++
|
/*
|
||
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
*/
|
||
|
|
#include "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);
|
||
|
|
}
|