asyncudpserversocket reuse port
Summary:
AsyncUDPSocket supports reuse port, also make it available in AsyncUDPServerSocket.
Has to happen before bind
Test Plan:
?? it builds?
Mutliple binds already work with reuseaddr, but load balancing doesn't work as well. See http://lwn.net/Articles/542629/ for details
Reviewed By: naizhi@fb.com
Subscribers: doug, fugalh, folly-diffs@, jsedgwick, yfeldblum, chalfant
FB internal diff:
D1948932
Signature: t1:
1948932:
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8c114458a0746bb2b6957db33c1834179d860c00