FAQ
*** Submitted as
https://code.google.com/p/go/source/detail?r=43e7b87397b6 ***

net: separate pollster initialization from network file descriptor
allocation

Unlike the existing net package own pollster, runtime-integrated
network pollster on BSD variants, actually kqueue, requires a socket
that has beed passed to syscall.Listen previously for a stream
listener.

This CL separates pollDesc.Init (actually runtime_pollOpen) from newFD
to allow control of each state of sockets and adds init method to netFD
instead. Upcoming CLs will rearrange the call order of
runtime-integrated
pollster and syscall functions like the following;

- For dialers that open active connections, runtime_pollOpen will be
    called in between syscall.Bind and syscall.Connect.

- For stream listeners that open passive stream connections,
    runtime_pollOpen will be called just after syscall.Listen.

- For datagram listeners that open datagram connections,
    runtime_pollOpen will be called just after syscall.Bind.

This is in preparation for runtime-integrated network pollster for BSD
variants.

Update issue 5199

R=dvyukov, alex.brainman, minux.ma
CC=golang-dev
https://codereview.appspot.com/8608044


https://codereview.appspot.com/8608044/

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