* ext/socket/init.c (rsock_s_accept_nonblock): use rb_hash_lookup2
* ext/openssl/ossl_ssl.c (get_no_exception): new function
(ossl_ssl_accept_nonblock): use get_no_exception
(ossl_ssl_read_internal): ditto
(ossl_ssl_write_nonblock): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49955 b2dd03c8-39d4-4d8f-98ff-823fe69b080e