/*******************************************************************************
* BSema.h BSema Classes
* T.Barnaby, BEAM Ltd, 6/11/02
* Copyright (c) 2012 All Right Reserved, Beam Ltd, http://www.beam.ltd.uk
*******************************************************************************
*/
#ifndef BSEMA_H
#define BSEMA_H 1
#include <sys/types.h>
#include <semaphore.h>
/// Sempahore class
class BSema {
public:
BSema(int value = 0);
BSema(const BSema& sema);
~BSema();
int post(); ///< Post condition
int wait(); ///< Wait for contition
int timedWait(int timeUs); ///< Wait for condition with timeout
int tryWait(); ///< Test for the condition
int getValue() const;
BSema& operator=(const BSema& sema);
private:
sem_t osema;
};
#endif