* string.c (rb_str_rstrip_bang): new method.
* string.c (rb_str_associate): should consider STR_ASSOC too.
* eval.c (rb_undefined): do not recurse if method_missing is
undefined.
* process.c (proc_waitpid): now all arguments are optional.
* process.c (Init_process): waitpid is now alias to wait.
* process.c (Init_process): waitpid2 is now alias to wait2.
* process.c (rb_waitpid): made public.
* ext/pty/pty.c (pty_getpty): avoid disturbing SIGCHLD using
thread and rb_waitpid.
* process.c (proc_getpgrp): now takes no argument on all
platforms.
* process.c (proc_setpgrp): ditto.
* ext/socket/socket.c (sock_s_pack_sockaddr_in): added
Socket::pack_sockaddr_in(). [new]
* ext/socket/socket.c (sock_s_pack_sockaddr_un): added
Socket::pack_sockaddr_un(). [new]
* ext/socket/socket.c (sock_s_pack_sockaddr_in): added
Socket::unpack_sockaddr_in(). [new]
* ext/socket/socket.c (sock_s_pack_sockaddr_un): added
Socket::unpack_sockaddr_un(). [new]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
