Re: [Notion-devel] Problems regarding intercepting SIGCHLD in NetBSD

[Arnout E. <no...@bz...>]

On Mon, Nov 12, 2012 at 12:06:02AM -0200, Silas Silva wrote:
> I soon realized that time events were generated by SIGALRM.  So there
> could be anything related with signals.  So, my investigations confirm
> that a minor change is necessary to make it work.  Just comment line 543
> of libmainloop/signal.c:
> 
>     sigaction(SIGCHLD, &sa, NULL);
> 
> And it works like a charm, but I don't know if it breaks other things.
> 
> I'm not a C programmer expert.  So I'd like to ask you if you know why
> it could be happening.  If it works under GNU/Linux, it is probably
> something regarding implementation of signals in NetBSD.
> 
> Do you have any idea?
> 
> Why SIGCHLD is being intercepted?

I haven't looked *too* closely yet, but it seems this is used somehow in 
libmainloop. Looks like it is used to provide a 'mainloop_sigchld_hook' hook, 
but I don't see this hook actually being used anywhere.

Anyone?


Arnout