[zeromq-dev] select and Multiple Provider Restrictions on Windows

Steven McCoy steven.mccoy at miru.hk
Wed Jan 27 16:38:19 CET 2016

On 27 January 2016 at 09:07, Ilya Kulakov <kulakov.ilya at gmail.com> wrote:

> According to
> https://msdn.microsoft.com/en-us/library/windows/desktop/ms739177(v=vs.85).aspx
> ,
> implementation of POSIX's select on Windows restricts fd_set to contain
> descriptors from only one provider.
> This recently became a problem with my VMCI implementation, because VMCI
> sockets are of a different family
> (I assume provider = family in Window's terminology).
Provider is more like the technology stack, i.e. TCP/IP, IPX, Bluetooth,
ATM, etc.  The loopback adapter is using vanilla IP and thus resides in the
same provider as other physical and virtual adapters.


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