Re: [Boost-users] [boost.signals2] queries

I am looking in to using boost.signals2 for a project I’m involved in, but have a few queries:

Firstly, if I create a global signall:

  boost::signals2::signal sig;

and then a structure:

struct DoWork

{

  void operator()() const

  {

//work.

  }

If I then create a private member of a class:

DoWork work;

And then do:

Sig.connect(Work);

Will the connection happen on the thread in which the work member variable was defined or will a second thread be utilized?

Boost.Signals2 does not launch threads.

Also given that sig will be a global and hence accessed from multiple threads, do I need a mutex?

signal instance is thread-safe - in the meaning that you can connect() from one thread and signal from another, without explicit locking.