ext/socket/option.c (sockopt_level): extracted from sockopt_level_m.
(sockopt_optname): extracted from sockopt_optname_m.
(sockopt_data): apply StringValue.
(sockopt_s_linger): new method.
(sockopt_linger): new method.
(inspect_linger): show onoff value if it is neither 0 nor 1.
(sockopt_optname): extracted from sockopt_optname_m.
(sockopt_data): apply StringValue.
(sockopt_s_linger): new method.
(sockopt_linger): new method.
(inspect_linger): show onoff value if it is neither 0 nor 1.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e