Current File : //proc/self/root/opt/cpanel/ea-ruby24/root/usr/share/ri/system/BasicSocket/recv_nonblock-i.ri
U:RDoc::AnyMethod[iI"recv_nonblock:EFI" BasicSocket#recv_nonblock;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [ I"IReceives up to _maxlen_ bytes from +socket+ using recvfrom(2) after ;TI";O_NONBLOCK is set for the underlying file descriptor. ;TI"4_flags_ is zero or more of the +MSG_+ options. ;TI".The result, _mesg_, is the data received.;To: RDoc::Markup::BlankLine o;
; [I">When recvfrom(2) returns 0, Socket#recv_nonblock returns ;TI" an empty string as data. ;TI"MThe meaning depends on the socket: EOF on TCP, empty packet on UDP, etc.;T@S:RDoc::Markup::Heading:
leveli: textI"Parameters;To:RDoc::Markup::List:
@type: BULLET: @items[o:RDoc::Markup::ListItem: @label0; [o;
; [I">+maxlen+ - the number of bytes to receive from the socket;To;;0; [o;
; [I"1+flags+ - zero or more of the +MSG_+ options;To;;0; [o;
; [I"<+options+ - keyword hash, supporting `exception: false`;T@S; ;
i;I" Example;To:RDoc::Markup::Verbatim; [I"*serv = TCPServer.new("127.0.0.1", 0)
;TI"&af, port, host, addr = serv.addr
;TI"#c = TCPSocket.new(addr, port)
;TI"s = serv.accept
;TI"c.send "aaa", 0
;TI"$begin # emulate blocking recv.
;TI"' p s.recv_nonblock(10) #=> "aaa"
;TI" rescue IO::WaitReadable
;TI" IO.select([s])
;TI"
retry
;TI" end
;T: @format0o;
; [I"PRefer to Socket#recvfrom for the exceptions that may be thrown if the call ;TI" to _recv_nonblock_ fails.;T@o;
; [I"YBasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, ;TI""including Errno::EWOULDBLOCK.;T@o;
; [I">If the exception is Errno::EWOULDBLOCK or Errno::EAGAIN, ;TI")it is extended by IO::WaitReadable. ;TI"YSo IO::WaitReadable can be used to rescue the exceptions for retrying recv_nonblock.;T@o;
; [I"OBy specifying a keyword argument _exception_ to +false+, you can indicate ;TI"Lthat recv_nonblock should not raise an IO::WaitReadable exception, but ;TI"0return the symbol +:wait_readable+ instead.;T@S; ;
i;I"See;To;;;;[o;;0; [o;
; [I"Socket#recvfrom;T:
@fileI" ext/socket/lib/socket.rb;T:0@omit_headings_from_table_of_contents_below0I"Nbasicsocket.recv_nonblock(maxlen [, flags [, buf [, options ]]]) => mesg
;T0[ I"0(len, flag = 0, str = nil, exception: true);T@TFI"BasicSocket;TcRDoc::NormalClass00
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