* Problem: connecter classes do not handle ZMQ_RECONNECT_IVL of -1
Solution: Add guards to prevent a reconnect timer from starting if ZMQ_RECONNECT_IVL is -1
(Issue 3158)
select was improved to support multiple service providers on Windows.
it should be slightly faster because of optimized iteration
over selected sockets.
VMCI transport allows fast communication between the Host
and a virtual machine, between virtual machines on the same host,
and within a virtual machine (like IPC).
It requires VMware to be installed on the host and Guest Additions
to be installed on a guest.
