100 struct basic_pipebuf : std::basic_streambuf<CharT, Traits>  struct
102     typedef basic_pipe<CharT, Traits> pipe_type;
104     typedef           CharT            char_type  ;
105     typedef           Traits           traits_type;
106     typedef  typename Traits::int_type int_type   ;
107     typedef  typename Traits::pos_type pos_type   ;
108     typedef  typename Traits::off_type off_type   ;
110     constexpr static int default_buffer_size = BOOST_PROCESS_PIPE_SIZE;
113     basic_pipebuf() : _write(default_buffer_size), _read(default_buffer_size)  in basic_pipebuf()  argument
124     ~basic_pipebuf()  in ~basic_pipebuf()
131     basic_pipebuf(pipe_type && p) : _pipe(std::move(p)),  in basic_pipebuf()  argument
139     basic_pipebuf(const pipe_type & p) : _pipe(p),  in basic_pipebuf()  argument
151     basic_pipebuf& operator=(pipe_type && p)  in operator =()
157     basic_pipebuf& operator=(const pipe_type & p)  in operator =()
163     int_type overflow(int_type ch = traits_type::eof()) override  in overflow()
191     int sync() override { return this->_write_impl() ? 0 : -1; }  in sync()
194     int_type underflow() override  in underflow()
218     void pipe(pipe_type&& p)      {_pipe = std::move(p); }  in pipe()
220     void pipe(const pipe_type& p) {_pipe = p; }  in pipe()
222     pipe_type &      pipe() &       {return _pipe;}  in pipe()
224     const pipe_type &pipe() const & {return _pipe;}  in pipe()
226     pipe_type &&     pipe()  &&     {return std::move(_pipe);}  in pipe()
229     bool is_open() const {return _pipe.is_open(); }  in is_open()
232     basic_pipebuf<CharT, Traits>* open()  in open()
241     basic_pipebuf<CharT, Traits>* open(const std::string & name)  in open()
250     basic_pipebuf<CharT, Traits>* close()  in close()
258     pipe_type _pipe;
259     std::vector<char_type> _write;
260     std::vector<char_type> _read;
262     bool _write_impl()  in _write_impl()