UNIXSocket.socketpair([type [, protocol]]) => [unixsocket1, unixsocket2]
Class Public methods
Creates a pair of sockets connected each other.
socktype should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
protocol should be a protocol defined in the domain. 0 is default protocol for the domain.
s1, s2 = UNIXSocket.pair s1.send "a", 0 s1.send "b", 0 p s2.recv(10) #=> "ab"
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