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/*
* Event.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>
#else
#include <semaphore.h>
#endif
/**
* @brief Simple wrapper for OS synchronization primitive.
*
* This class wraps Win32 and POSIX semaphore.
*/
class Event
{
public:
/**
* @brief Constructor creating new event.
*/
Event();
/**
* @brief Destructor that destroys the event.
*/
virtual ~Event();
/**
* @brief Wait on the event for specified time.
*
* By default it waits for infinite time and blocks the thread until
* the event is signaled.
*/
void wait(unsigned long timeout = -1);
/**
* @brief Signal the event.
*
* When event is signaled the waiting thread is released.
*/
void signal();
private:
#ifdef _WIN32
HANDLE semaphore_;
#else
sem_t semaphore_;
#endif
};
/* @} */
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