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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016/10/1 Bernard The first version
*/
#pragma once
#include <stdint.h>
#include <rtthread.h>
namespace rtthread {
/** The Mutex class is used to synchronise the execution of threads.
This is for example used to protect access to a shared resource.
*/
class Mutex {
public:
/** Create and Initialize a Mutex object */
Mutex(const char *name = "mutex");
~Mutex();
/** Wait until a Mutex becomes available.
@param millisec timeout value or 0 in case of no time-out. (default: WaitForever)
@return true if the mutex was acquired, false otherwise.
*/
bool lock(int32_t millisec = -1);
/** Try to lock the mutex, and return immediately
@return true if the mutex was acquired, false otherwise.
*/
bool trylock();
/** Unlock the mutex that has previously been locked by the same thread
*/
void unlock();
private:
struct rt_mutex mID;
};
}
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