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

Subject: Re: [Boost-users] [signals2] connected signal not being called
From: Glenn Ramsey (gr_at_[hidden])
Date: 2015-10-26 23:26:37

On 27/10/15 07:16, Frank Mori Hess wrote:
> 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?
> 

Thanks for the suggestions. I found the problem. It was an exception in an
earlier slot.