[zeromq-dev] question on zloop_reader arg #2 type

[Steven Butner]

I'm trying to get my first zactor implementation finished, compiled, and 
debugged.  I'm trying to create a zactor (and that seems to work OK).  
Once the zactor has been created, I would like to include it in a zloop 
reactor but I'm having trouble with type matchup in the following code:

*   zactor_t* initActor = zactor_new( myInitActor, (void*)"do_init");
    zloop_t* my_reactor = zloop_new();
         :
<several other regular socket readers get registered to my_reactor>
         :
    int rc = zloop_reader( my_reactor, initActor, actorReader, (void*)"" );
*
In the last line above, the compiler doesn't like the type of argument 
#2 (which is zactor_t*, of course).  The CZMQ3.0.1 synopsis for zactor 
says, in part:

    "A zactor_t instance acts like a zsock_t and you can pass it to any
    CZMQ method that would take a zsock_t argument, including methods in
    zframe, zmsg, zstr, zpoller, and *zloop*."

Apparently there is something here that I'm not unde/rstan/ding about 
the zactor_t and/or how to use it.  Any clarifications or pointers to 
examples where actor streams are included in zloop_readers would be 
greatly appreciated.  Note that I have tried to "fix" the compiler type 
mismatch by changing the 2nd argument of the zloop_reader() call above 
to be *zactor_sock(initActor)*.  Indeed, this makes the compiler happy 
but when I run the program I get errno=88 (Socket operation on 
non-socket) when one of my lower-level zmq_poll functions attempts to 
include the initActor "socket" in its list of polled sockets.

        Steve B
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