Re: [Boost-users] [signals2] connected signal not being called

Subject: Re: [Boost-users] [signals2] connected signal not being called
From: Frank Mori Hess (fmh6jj_at_[hidden])
Date: 2015-10-26 14:16:38

On Sun, Oct 25, 2015 at 8:22 PM, Glenn Ramsey <gr_at_[hidden]> wrote:
> Hi,
>
> In a program I have a function connected to to a signal that is being called
> periodically. At a certain point the function inexplicably stops being called.
> Other functions that are connected to the same signal and same group are still
> being called at this time. As far as I am aware disconnect() has not been called
> and connection.connected() returns true and connection.blocked() returns false
> for this function.
>
> This seems very strange to me and I'm wondering if there is something that I
> have overlooked. It's not the sort of thing that could be reproduced with a
> simple example. What would be a good way to debug this?

Are you using a custom combiner?  Combiners aren't required to call
all the slots if they decide not to.  Or, could an earlier slot have
thrown an exception during signal invocation?

-- 
Frank