mutex_attr.hpp

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#ifndef __FRIOS_POSIX_THREADS_MUTEX_ATTR_HPP__
#define __FRIOS_POSIX_THREADS_MUTEX_ATTR_HPP__

#include <frios/utils/unique.hpp>
#include <frios/posix/error.hpp>

#include <pthread.h>

namespace frios {
namespace posix {

class mutex;

class mutex_attr
{
private:
    friend class mutex;

    unique<pthread_mutexattr_t> _attr;

    mutex_attr(const mutex_attr&) = delete;
public:

    struct init_error : error
    {
        init_error(int error_code)
         : error(error_code)
        { }
    };


    mutex_attr(void)
    {
        int fail = pthread_mutexattr_init(&_attr);
        if(fail) throw init_error(fail);
    }

    mutex_attr(mutex_attr&& tmp)
     : _attr(std::move(tmp._attr))
    { }

    ~mutex_attr(void)
    {
        if(_attr.valid())
            pthread_mutexattr_destroy(&_attr);
    }

    // TODO
};

} // namespace posix
} // namespace frios

#endif // include guard