Re: [Boost-users] aiso signal handling, daemon shutdown

Subject: Re: [Boost-users] aiso signal handling, daemon shutdown
From: Kraus Philipp (philipp.kraus_at_[hidden])
Date: 2012-07-13 16:40:11

Am 13.07.2012 um 22:05 schrieb Casimiro, Daniel C CIV NUWC NWPT:

>> Hello,
>> 
>> I try to create a working example for a daemon with
>> 
> http://www.boost.org/doc/libs/1_50_0/doc/html/boost_asio/overview/signals.ht
> ml
>> 
>> I have created a program like:
>> 
>> static bool run = true;
>> 
>> void handler( const boost::system::error_code& error, int signal_number) {
>>    if (!error)
>>    {
>>        run = false;
>>        std::cout << "signal" << std::endl;
>>    }
>> }
>> 
>> 
>> and the main with
>> 
>> int main(..) {
>>    boost::asio::io_service io_service;
>>    boost::asio::signal_set signals(io_service, SIGINT, SIGTERM);
>>    signals.async_wait(handler);
>> 
>>    while (run) { boost::this_thread::yield(); } }
>> 
>> 
>> The program runs, but if I do "kill pid" the program does not stop or
> shows the message.
>> I would like to create a small daemon which runs some threads and can stop
> with the normal stop signal and can reload the
>> configuration on reload.
>> 
>> Can anyone help me to create a working example first !?
>> Thanks a lot
>> 
> 
> Your asynchronous handlers are not running because you forgot to call "
> io_service.run()."

Damn, I have forgot the run command. I have added before the loop and it works :-P
Thanks

Phil