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/*
* CriticalSection.h
*
* Copyright (C) ST-Ericsson SA 2011
* Authors: Srimanta Panda <srimanta.panda@stericsson.com>,
* Ola Borgelin <ola.borgelin@stericsson.com>,
* Karin Hedlund <karin.hedlund@stericsson.com>,
* Markus Andersson <markus.m.andersson@stericsson.com> for ST-Ericsson.
* License terms: 3-clause BSD license
*
*/
/*
* @addtogroup OS Wrappers
* @{
*/
#pragma once
#ifdef _WIN32
#include <windows.h>
#include <process.h>
#else
#include <pthread.h>
#endif
/**
* @brief Simple wrapper for OS synchronization primitive.
*
* This class wraps Win32 critical section and POSIX threads mutex.
*/
class CriticalSection
{
public:
/**
* @brief Constructor creating new critical section.
*/
CriticalSection();
/**
* @brief Destructor that destroys the critical section.
*/
virtual ~CriticalSection();
/**
* @brief This method enters/locks the critical section.
*/
void enter();
/**
* @brief This method leaves/unlocks the critical section.
*/
void leave();
private:
#ifdef _WIN32
CRITICAL_SECTION mutex_;
#else
pthread_mutex_t mutex_;
#endif
};
/**
* @brief RAII class for critical section locking/unlocking.
*/
class CSLock
{
public:
/**
* @brief Constructor that enters/locks the passed critical section.
*
* @param[in] section - critical section to lock.
*/
CSLock(CriticalSection* section);
/**
* @brief Destructor that leaves/unlocks the associated critical section.
*/
virtual ~CSLock();
private:
CriticalSection* section_;
CSLock(const CSLock&);
CSLock& operator=(const CSLock&);
};
/* @} */
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