MutexImpl.h

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//
// Copyright (c) 2014 Raphael David / CANTOR
//
// this file contains Mutex::Impl declaration.
// implementation is OS specific and can be found in CriticalSection-<os>.cpp

#ifndef CMR_MUTEX_IMPL_INCLUDED
#define CMR_MUTEX_IMPL_INCLUDED

#include "commore/Commore.h"
#include "commore/Path.h"
#include "commore/Time.h"

namespace commore
{
    //
    // System dependent Mutex
    //
#ifdef WIN32

    class Mutex::Impl
    {
    public:
        Impl(const char* name, bool create);
        ~Impl();

    public:
        bool lock();
        bool try_lock();
        bool lock(TimePeriod timeout);
        bool unlock();
        bool is_ok();

    private:
        void* hMutex_;
        AString name_;
        bool create_;
    };

#else

#include <sys/types.h>

    class Mutex::Impl
    {
    public:
        Impl(const char* name, bool create);
        ~Impl();
        bool lock();
        bool try_lock();
        bool lock(TimePeriod timeout);
        bool unlock();
        bool is_ok();

    private:
        Path tmp_file_;
        key_t key_;
        int  shr_sem_;
        AString name_;
        bool create_;
        bool ok_;
    };

#endif

};

#endif