[zeromq-dev] Strict aliasing problem

[Pieter Hintjens]

On Thu, May 17, 2012 at 4:14 AM, Bjorn Reese <breese at mail1.stofanet.dk> wrote:

> 1. As the only standards-compliant way "casting" between
>   pointer-to-object and pointer-to-function is through a union, the
>   zmq_monitor_fn type could be changed to something like:
>
>   typedef union
>   {
>     void *object;
>     void (*function)(void *s, int event, zmq_event_data_t *data);
>   } zmq_monitor_fn;

This is what I'd do. It's not the simplest option but it a correct
one. Callbacks are going to be complex anyhow.

If we only want a single callback per context it could be registered
at the zmq_ctx_ level, with a neat API.

-Pieter