Re: [Boost-users] Serial port example compiles in Makefile, but does not compile under Eclipse

Subject: Re: [Boost-users] Serial port example compiles in Makefile, but does not compile under Eclipse
From: Ulf Samuelsson (boost-user_at_[hidden])
Date: 2013-10-07 11:53:28

On 2013-10-07 17:13, Ulf Samuelsson wrote:
> Running Eclipse 3.7.2 on Ubuntu 12.10 (i386) with Boost 1.49
>
> Trying to get a serial port running with a callback
> Found: http://www.webalice.it/fede.tft/serial_port/serial_port.html
> and the source:
> git clone:    git://gitorious.org/serial-port/serial-port.git
>
> When I compile a serial port example 4 with g++ I do not get any 
> problems.
> When I compile exactly the same class from Eclipse I get an error.
>
>
>     thread t(boost::bind(&asio::io_service::run, &pimpl->io));        
> // Offending code
>
>
> ------------------------------------------------------------------
> 'boost::bind' is ambiguous '
> Candidates are:
> boost::_bi::bind_t<unsigned int,unsigned int 
> (*)(boost::system::error_code 
> &),boost::_bi::list1<boost::_bi::value<boost::asio::io_service *>>> 
> bind(unsigned int (*)(boost::system::error_code &), 
> boost::asio::io_service *)
> boost::_bi::bind_t<unsigned int,boost::_mfi::mf0<unsigned 
> int,boost::asio::io_service>,boost::_bi::list1<boost::_bi::value<boost::asio::io_service 
> *>>> bind(unsigned int (boost::asio::io_service::*)(), 
> boost::asio::io_service *)
> '    AsyncSerial.cpp    /nodeserver/src    line 102    Semantic Error
> ------------------------------------------------------------------
>
> pimpl->io is a boost::asio::io_service
>
> class AsyncSerialImpl: private boost::noncopyable
> {
> public:
>     ...
>     boost::asio::io_service io; ///< Io service object
>     ...
> };
>
> Someone suggest I declare a pointer to the run function, to resolve 
> the problem,
> which I tried, but didnt get it right.
>
> How do I declare a variable, which can be assigned the io_service::run 
> function?
>
> <?>  myrun = &boost::asio::io_service::run;
>
> Any other ideas?
>
> Why compile and link in the makefile and not inside Eclipse?
> Tried on a Ubuntu 13.04 machine with the same problem.
>
> BR
> Ulf Samuelsson
>
>
>
> ====================================================================
>
> Part of the code.
> ------------------------
>
> void AsyncSerial::open(const std::string& devname, unsigned int 
> baud_rate,
>         asio::serial_port_base::parity opt_parity,
>         asio::serial_port_base::character_size opt_csize,
>         asio::serial_port_base::flow_control opt_flow,
>         asio::serial_port_base::stop_bits opt_stop)
> {
>     if(isOpen()) close();
>
>     setErrorStatus(true);//If an exception is thrown, error_ remains true
>     pimpl->port.open(devname);
> pimpl->port.set_option(asio::serial_port_base::baud_rate(baud_rate));
>     pimpl->port.set_option(opt_parity);
>     pimpl->port.set_option(opt_csize);
>     pimpl->port.set_option(opt_flow);
>     pimpl->port.set_option(opt_stop);
>
>     //This gives some work to the io_service before it is started
>     pimpl->io.post(boost::bind(&AsyncSerial::doRead, this));
>
> --------------------------------------------------------------------------------------------------------------------------- 
>
>     thread t(boost::bind(&asio::io_service::run, &pimpl->io));        
> // Offending code
> --------------------------------------------------------------------------------------------------------------------------- 
>
>     pimpl->backgroundThread.swap(t);
>     setErrorStatus(false);//If we get here, no error
>     pimpl->open=true; //Port is now open
> }
>
>
> class AsyncSerialImpl: private boost::noncopyable
> {
> public:
>     AsyncSerialImpl(): io(), port(io), backgroundThread(), open(false),
>             error(false) {}
>
>     boost::asio::io_service io; ///< Io service object
>     boost::asio::serial_port port; ///< Serial port object
>     boost::thread backgroundThread; ///< Thread that runs read/write 
> operations
>     bool open; ///< True if port open
>     bool error; ///< Error flag
>     mutable boost::mutex errorMutex; ///< Mutex for access to error
>
>     /// Data are queued here before they go in writeBuffer
>     std::vector<char> writeQueue;
>     boost::shared_array<char> writeBuffer; ///< Data being written
>     size_t writeBufferSize; ///< Size of writeBuffer
>     boost::mutex writeQueueMutex; ///< Mutex for access to writeQueue
>     char readBuffer[AsyncSerial::readBufferSize]; ///< data being read
>
>     /// Read complete callback
>     boost::function<void (const char*, size_t)> callback;
> };