[zeromq-dev] Question on ZMQ_POLLERR -- what exact error(s) this flag should represent?
Artem Vysochyn
artem.vysochyn at gmail.com
Thu Sep 26 22:58:19 CEST 2013
hello there,
I'm reading the api guide, http://api.zeromq.org/3-2:zmq-poll, and a
bit confused by definition ZMQ_POLLERR.
Here it's:
>>
For standard sockets, this flag is passed through zmq_poll() to the
underlying poll()system call and generally means that some sort of
error condition is present on the socket specified by fd. For ØMQ
sockets this flag has no effect if set in events, and shall never be
returned in revents by zmq_poll().
<<
1. So does it mean that this flag is sort of "internal thing" for
zmq_poll() for driving non-sockets?
2. External clients of zmq_poll() will not benefit from it if they
pass to poller ZMQ_POLLERR as event of interest?
Thanks in advance.
-artemv
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