mxsemaphore.cpp

/*
        MX library.

        http://lostsidedead.com/svn


        libmx written by jared bruni, it is wrappers around SDL
and other api's to provide a set of classes and functions
to produce multi media applications, using object oriented
techniques.

        (C) 2008 LostSideDead
*/


#include "mxsemaphore.h"

// simple wrapper around SDL functions :(


namespace mx
{

        mxSem::mxSem(unsigned int value)
        {

                sem = SDL_CreateSemaphore(value);


        }

        mxSem::~mxSem()
        {

                if(sem != 0)
                        SDL_DestroySemaphore(sem);

        }

        const unsigned int mxSem::currentValue() const
        {

                return SDL_SemValue(sem);

        }

        int mxSem::wait()
        {

                return SDL_SemWait(sem);

        }

        int mxSem::tryWait()
        {

                return SDL_SemTryWait(sem);

        }

        int mxSem::waitTimeout(unsigned int interval)
        {

                return SDL_SemWaitTimeout(sem, interval);

        }

        int mxSem::post()
        {
                return SDL_SemPost(sem);
        }
}

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