revert sock_sysaccept addition to [ruby-dev:28861].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10399 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/socket/socket.c

@@ -2931,15 +2931,18 @@ sock_accept_nonblock(sock)
  * * Socket#accept
  */
 static VALUE
-sock_sysaccept(VALUE sock)
+sock_sysaccept(sock)
+    VALUE sock;
 {
     OpenFile *fptr;
+    VALUE sock2;
     char buf[1024];
     socklen_t len = sizeof buf;
 
     GetOpenFile(sock, fptr);
-    return rb_assoc_new(s_accept(0,fptr->fd,(struct sockaddr*)buf,&len),
-			rb_str_new(buf, len));
+    sock2 = s_accept(0,fptr->fd,(struct sockaddr*)buf,&len);
+
+    return rb_assoc_new(sock2, rb_str_new(buf, len));
 }
 
 #ifdef HAVE_GETHOSTNAME

test/socket/test_socket.rb

@@ -79,5 +79,19 @@ class TestSocket < Test::Unit::TestCase
     assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(sockaddr_in) }
     sockaddr_un = Socket.sockaddr_un("/tmp/s")
     assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(sockaddr_un) }
+  end if Socket.respond_to?(:sockaddr_un)
+
+  def test_sysaccept
+    serv = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
+    serv.bind(Socket.sockaddr_in(0, "127.0.0.1"))
+    serv.listen 5
+    c = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
+    c.connect(serv.getsockname)
+    fd, peeraddr = serv.sysaccept
+    assert_equal(c.getsockname, peeraddr)
+  ensure
+    serv.close if serv
+    c.close if c
+    IO.for_fd(fd).close if fd
   end
-end if defined?(Socket) && Socket.respond_to?(:sockaddr_un)
+end if defined?(Socket)