Method: Socket.tcp_fast_fallback

Defined in:
socket.c

.tcp_fast_fallback ⇒ Boolean

Returns whether Happy Eyeballs Version 2 (RFC 8305), which is provided starting from Ruby 3.4 when using TCPSocket.new and Socket.tcp, is enabled or disabled.

If true, it is enabled for TCPSocket.new and Socket.tcp. (Note: Happy Eyeballs Version 2 is not provided when using TCPSocket.new on Windows.)

If false, Happy Eyeballs Version 2 is disabled.

For details on Happy Eyeballs Version 2, see Socket.tcp_fast_fallback=.

Returns:

  • (Boolean) 


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# File 'socket.c', line 1875

VALUE socket_s_tcp_fast_fallback(VALUE self) {
    return rb_ivar_get(rb_cSocket, tcp_fast_fallback);
}