관리-도구

편집 파일: recv_nonblock-i.yaml

--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
 body: Receives up to maxlen bytes from <tt>socket</tt> using recvfrom(2) after O_NONBLOCK is set for the underlying file descriptor. flags is zero or more of the <tt>MSG_</tt> options. The result, mesg, is the data received.
- !ruby/struct:SM::Flow::P 
 body: "When recvfrom(2) returns 0, Socket#recv_nonblock returns an empty string as data. The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc."
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Parameters
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: <tt>maxlen</tt> - the number of bytes to receive from the socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: <tt>flags</tt> - zero or more of the <tt>MSG_</tt> options
 type: :BULLET
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Example
- !ruby/struct:SM::Flow::VERB 
 body: " serv = TCPServer.new(&quot;127.0.0.1&quot;, 0)\n af, port, host, addr = serv.addr\n c = TCPSocket.new(addr, port)\n s = serv.accept\n c.send &quot;aaa&quot;, 0\n IO.select([s])\n p s.recv_nonblock(10) #=&gt; &quot;aaa&quot;\n"
- !ruby/struct:SM::Flow::P 
 body: Refer to Socket#recvfrom for the exceptions that may be thrown if the call to recv_nonblock fails.
- !ruby/struct:SM::Flow::P 
 body: BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(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#recvfrom
 type: :BULLET
full_name: BasicSocket#recv_nonblock
is_singleton: false
name: recv_nonblock
params: |
 basicsocket.recv_nonblock(maxlen) => mesg
 basicsocket.recv_nonblock(maxlen, flags) => mesg

visibility: public