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accept_nonblock-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Accepts an incoming connection using accept(2) after O_NONBLOCK is set for the underlying file descriptor. It returns an array containg the accpeted socket for the incoming connection, <em>client_socket</em>, and a string that contains the <tt>struct</tt> sockaddr information about the caller, <em>client_sockaddr</em>. - !ruby/struct:SM::Flow::H level: 3 text: Example - !ruby/struct:SM::Flow::VERB body: " # In one script, start this first\n require 'socket'\n include Socket::Constants\n socket = Socket.new(AF_INET, SOCK_STREAM, 0)\n sockaddr = Socket.sockaddr_in(2200, 'localhost')\n socket.bind(sockaddr)\n socket.listen(5)\n begin\n client_socket, client_sockaddr = socket.accept_nonblock\n rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR\n IO.select([socket])\n retry\n end\n puts "The client said, '#{client_socket.readline.chomp}'"\n client_socket.puts "Hello from script one!"\n socket.close\n\n # In another script, start this second\n require 'socket'\n include Socket::Constants\n socket = Socket.new(AF_INET, SOCK_STREAM, 0)\n sockaddr = Socket.sockaddr_in(2200, 'localhost')\n socket.connect(sockaddr)\n socket.puts "Hello from script 2."\n puts "The server said, '#{socket.readline.chomp}'"\n socket.close\n" - !ruby/struct:SM::Flow::P body: Refer to Socket#accept for the exceptions that may be thrown if the call to <em>accept_nonblock</em> fails. - !ruby/struct:SM::Flow::P body: Socket#accept_nonblock may raise any error corresponding to accept(2) failure, including Errno::EAGAIN. - !ruby/struct:SM::Flow::H level: 3 text: See - !ruby/object:SM::Flow::LIST contents: - !ruby/struct:SM::Flow::LI label: "*" body: Socket#accept type: :BULLET full_name: Socket#accept_nonblock is_singleton: false name: accept_nonblock params: | socket.accept_nonblock => [client_socket, client_sockaddr] visibility: public
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