* ext/socket/tcpserver.c: ditto
* ext/socket/udpsocket.c: [DOC] Fix indentation of documentation
* ext/socket/socket.c: ditto
  Patches by David Rodríguez [ruby-core:56734] [Bug #8802]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  when $SAFE is set to 4.  $SAFE=4 is now obsolete.
  [ruby-core:55222] [Feature #8468]

* object.c (rb_obj_untrusted, rb_obj_untrust, rb_obj_trust):
  Kernel#untrusted?, untrust, and trust are now deprecated.
  Their behavior is same as tainted?, taint, and untaint,
  respectively.

* include/ruby/ruby.h (OBJ_UNTRUSTED, OBJ_UNTRUST): OBJ_UNTRUSTED()
  and OBJ_UNTRUST() are aliases of OBJ_TAINTED() and OBJ_TAINT(),
  respectively.

* array.c, class.c, debug.c, dir.c, encoding.c, error.c, eval.c,
  ext/curses/curses.c, ext/dbm/dbm.c, ext/dl/cfunc.c,
  ext/dl/cptr.c, ext/dl/dl.c, ext/etc/etc.c, ext/fiddle/fiddle.c,
  ext/fiddle/pointer.c, ext/gdbm/gdbm.c, ext/readline/readline.c,
  ext/sdbm/init.c, ext/socket/ancdata.c, ext/socket/basicsocket.c,
  ext/socket/socket.c, ext/socket/udpsocket.c,
  ext/stringio/stringio.c, ext/syslog/syslog.c, ext/tk/tcltklib.c,
  ext/win32ole/win32ole.c, file.c, gc.c, hash.c, io.c, iseq.c,
  load.c, marshal.c, object.c, proc.c, process.c, random.c, re.c,
  safe.c, string.c, thread.c, transcode.c, variable.c,
  vm_insnhelper.c, vm_method.c, vm_trace.c: remove code for
  $SAFE=4.

* test/dl/test_dl2.rb, test/erb/test_erb.rb,
  test/readline/test_readline.rb,
  test/readline/test_readline_history.rb, test/ruby/test_alias.rb,
  test/ruby/test_array.rb, test/ruby/test_dir.rb,
  test/ruby/test_encoding.rb, test/ruby/test_env.rb,
  test/ruby/test_eval.rb, test/ruby/test_exception.rb,
  test/ruby/test_file_exhaustive.rb, test/ruby/test_hash.rb,
  test/ruby/test_io.rb, test/ruby/test_method.rb,
  test/ruby/test_module.rb, test/ruby/test_object.rb,
  test/ruby/test_pack.rb, test/ruby/test_rand.rb,
  test/ruby/test_regexp.rb, test/ruby/test_settracefunc.rb,
  test/ruby/test_struct.rb, test/ruby/test_thread.rb,
  test/ruby/test_time.rb: remove tests for $SAFE=4.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  [ruby-core:45617] [Feature #6583] proposed Eric Hodel.

* ext/socket/rubysocket.h (rsock_sys_fail_host_port): Declared.
  (rsock_sys_fail_path): Ditto.
  (rsock_sys_fail_sockaddr): Ditto.

* ext/socket/udpsocket.c (udp_connect): Use rsock_sys_fail_host_port.
  (udp_bind): Ditto.
  (udp_send): Ditto.

* ext/socket/init.c (rsock_init_sock): Specify a string for rb_sys_fail
  argument.
  (make_fd_nonblock): Ditto.
  (rsock_s_accept): Ditto.

* ext/socket/ipsocket.c (init_inetsock_internal): Use
  rsock_sys_fail_host_port.

* ext/socket/socket.c (rsock_sys_fail_host_port): Defined.
  (rsock_sys_fail_path): Ditto.
  (rsock_sys_fail_sockaddr): Ditto.
  (setup_domain_and_type): Use rsock_sys_fail_sockaddr.
  (sock_connect_nonblock): Ditto.
  (sock_bind): Ditto.
  (sock_gethostname): Specify a string for rb_sys_fail argument.
  (socket_s_ip_address_list): Ditto.

* ext/socket/basicsocket.c (bsock_shutdown): Specify a string for
  rb_sys_fail argument.
  (bsock_setsockopt): Use rsock_sys_fail_path.
  (bsock_getsockopt): Ditto.
  (bsock_getpeereid): Refine the argument for rb_sys_fail.

* ext/socket/unixsocket.c (rsock_init_unixsock): Use
  rsock_sys_fail_path.
  (unix_path): Ditto.
  (unix_send_io): Ditto.
  (unix_recv_io): Ditto.
  (unix_addr): Ditto.
  (unix_peeraddr): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40149 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  r36944.  it breaks mswin/mingw ruby and brought into many many
  crashes.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36946 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  avoid unnecessary select() calls before doing I/O
  Patch by Eric Wong. [Feature #4538] [ruby-core:35586]
* ext/socket/init.c (rsock_s_recvfrom): ditto.
* ext/socket/init.c (rsock_s_accept): ditto.
* ext/socket/udpsocket.c (udp_send): ditto.
* io.c (io_fflush): ditto.
* io.c (io_binwrite): ditto.
* io.c (rb_io_syswrite): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36944 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  Socket, TCPServer, SOCKSSocket.  Patch by Sylvain Daubert.
  [Ruby 1.9 - Feature #5182]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  blocking region with GIL released, for fd.
* thread.c (rb_thread_fd_close): implement.  [ruby-core:35203]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27437 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27018 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e