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/// \file utils/process/fdstream.hpp
/// Provides the utils::process::ifdstream class.

#if !defined(UTILS_PROCESS_FDSTREAM_HPP)
#define UTILS_PROCESS_FDSTREAM_HPP

#include "utils/process/fdstream_fwd.hpp"

#include <istream>
#include <memory>

#include "utils/noncopyable.hpp"

namespace utils {
namespace process {


/// An input stream backed by a file descriptor.
///
/// This class grabs ownership of the file descriptor.  I.e. when the class is
/// destroyed, the file descriptor is closed unconditionally.
class ifdstream : public std::istream, noncopyable
{
    struct impl;

    /// Pointer to the shared internal implementation.
    std::auto_ptr< impl > _pimpl;

public:
    explicit ifdstream(const int);
    ~ifdstream(void);
};


}  // namespace process
}  // namespace utils

#endif  // !defined(UTILS_PROCESS_FDSTREAM_HPP)